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https://github.com/javadev/leetcode-in-all

104 LeetCode algorithm problem solutions.
https://github.com/javadev/leetcode-in-all
algorithm algorithms-and-data-structures leetcode leetcode-c leetcode-cpp leetcode-csharp leetcode-dart leetcode-elixir leetcode-go leetcode-java leetcode-kotlin leetcode-php leetcode-python leetcode-ruby leetcode-rust leetcode-scala leetcode-solutions leetcode-swift leetcode-typescript math
Last synced: about 2 months ago
JSON representation
104 LeetCode algorithm problem solutions.
Host: GitHub
URL: https://github.com/javadev/leetcode-in-all
Owner: javadev
License: mit
Created: 2024-01-22T11:41:20.000Z (almost 1 year ago)
Default Branch: main
Last Pushed: 2024-11-16T07:11:03.000Z (2 months ago)
Last Synced: 2024-11-16T08:20:06.724Z (2 months ago)
Topics: algorithm, algorithms-and-data-structures, leetcode, leetcode-c, leetcode-cpp, leetcode-csharp, leetcode-dart, leetcode-elixir, leetcode-go, leetcode-java, leetcode-kotlin, leetcode-php, leetcode-python, leetcode-ruby, leetcode-rust, leetcode-scala, leetcode-solutions, leetcode-swift, leetcode-typescript, math
Language: C
Homepage: https://leetcode-in-all.github.io
Size: 1.41 MB
Stars: 4
Watchers: 2
Forks: 1
Open Issues: 0
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project

README

        # LeetCode-in-All

[![Maven Central](https://img.shields.io/maven-central/v/com.github.javadev/leetcode-in-all?style=flat-square)](https://central.sonatype.com/artifact/com.github.javadev/leetcode-in-all/1.5)

[![Java CI](https://github.com/javadev/LeetCode-in-All/actions/workflows/maven.yml/badge.svg)](https://github.com/javadev/LeetCode-in-All/actions/workflows/maven.yml)

[![CodeQL](https://github.com/javadev/LeetCode-in-All/actions/workflows/codeql.yml/badge.svg)](https://github.com/javadev/LeetCode-in-All/actions/workflows/codeql.yml)

[![MIT License](https://img.shields.io/badge/license-MIT-green.svg)](https://github.com/javadev/LeetCode-in-All/blob/main/LICENSE)

104 LeetCode algorithm problem solutions.

> ["For coding interview preparation, LeetCode is one of the best online resource providing a rich library of more than 300 real coding interview questions for you to practice from using one of the 7 supported languages - C, C++, Java, Python, C#, JavaScript, Ruby."](https://www.quora.com/How-effective-is-Leetcode-for-preparing-for-technical-interviews)

##

* [Data Structure II](#data-structure-ii)

* [Algorithm I](#algorithm-i)

* [Algorithm II](#algorithm-ii)

* [Binary Search I](#binary-search-i)

* [Binary Search II](#binary-search-ii)

* [Dynamic Programming I](#dynamic-programming-i)

* [Programming Skills I](#programming-skills-i)

* [Programming Skills II](#programming-skills-ii)

* [Graph Theory I](#graph-theory-i)

* [SQL I](#sql-i)

* [Level 1](#level-1)

* [Level 2](#level-2)

* [Udemy](#udemy)

* [Data Structure I](#data-structure-i)

### Data Structure II

#### Day 1 Array

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0136 |Single Number| [Java](src/main/java/g0101_0200/s0136_single_number) [Kotlin](src/main/kotlin/g0101_0200/s0136_single_number) [TypeScript](src/main/ts/g0101_0200/s0136_single_number) [Scala](src/main/scala/g0101_0200/s0136_single_number) [Ruby](src/main/ruby/g0101_0200/s0136_single_number) [PHP](src/main/php/g0101_0200/s0136_single_number) [C#](src/main/csharp/g0101_0200/s0136_single_number) [Go](src/main/go/g0101_0200/s0136_single_number) [Cpp](src/main/cpp/g0101_0200/s0136_single_number) [Python](src/main/python/g0101_0200/s0136_single_number) [Swift](src/main/swift/g0101_0200/s0136_single_number) [Elixir](src/main/elixir/g0101_0200/s0136_single_number) [Rust](src/main/rust/g0101_0200/s0136_single_number) [Dart](src/main/dart/g0101_0200/s0136_single_number) [C](src/main/c/g0101_0200/s0136_single_number)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Bit_Manipulation, Big_O_Time_O(N)_Space_O(1) | 1 | 99.86

| 0169 |Majority Element| [Java](src/main/java/g0101_0200/s0169_majority_element) [Kotlin](src/main/kotlin/g0101_0200/s0169_majority_element) [TypeScript](src/main/ts/g0101_0200/s0169_majority_element) [Scala](src/main/scala/g0101_0200/s0169_majority_element) [Ruby](src/main/ruby/g0101_0200/s0169_majority_element) [PHP](src/main/php/g0101_0200/s0169_majority_element) [C#](src/main/csharp/g0101_0200/s0169_majority_element) [Go](src/main/go/g0101_0200/s0169_majority_element) [Cpp](src/main/cpp/g0101_0200/s0169_majority_element) [Python](src/main/python/g0101_0200/s0169_majority_element) [Swift](src/main/swift/g0101_0200/s0169_majority_element) [Elixir](src/main/elixir/g0101_0200/s0169_majority_element) [Rust](src/main/rust/g0101_0200/s0169_majority_element) [Dart](src/main/dart/g0101_0200/s0169_majority_element) [C](src/main/c/g0101_0200/s0169_majority_element)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Sorting, Counting, Divide_and_Conquer, Big_O_Time_O(n)_Space_O(1) | 1 | 99.89

| 0015 |3Sum| [Java](src/main/java/g0001_0100/s0015_3sum) [Kotlin](src/main/kotlin/g0001_0100/s0015_3sum) [TypeScript](src/main/ts/g0001_0100/s0015_3sum) [Scala](src/main/scala/g0001_0100/s0015_3sum) [Ruby](src/main/ruby/g0001_0100/s0015_3sum) [PHP](src/main/php/g0001_0100/s0015_3sum) [C#](src/main/csharp/g0001_0100/s0015_3sum) [Go](src/main/go/g0001_0100/s0015_3sum) [Cpp](src/main/cpp/g0001_0100/s0015_3sum) [Python](src/main/python/g0001_0100/s0015_3sum) [Swift](src/main/swift/g0001_0100/s0015_3sum) [Elixir](src/main/elixir/g0001_0100/s0015_3sum) [Rust](src/main/rust/g0001_0100/s0015_3sum) [Dart](src/main/dart/g0001_0100/s0015_3sum) [C](src/main/c/g0001_0100/s0015_3sum)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Sorting, Two_Pointers, Big_O_Time_O(n\*log(n))_Space_O(n^2) | 29 | 72.02

#### Day 2 Array

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0075 |Sort Colors| [Java](src/main/java/g0001_0100/s0075_sort_colors) [Kotlin](src/main/kotlin/g0001_0100/s0075_sort_colors) [TypeScript](src/main/ts/g0001_0100/s0075_sort_colors) [Scala](src/main/scala/g0001_0100/s0075_sort_colors) [Ruby](src/main/ruby/g0001_0100/s0075_sort_colors) [PHP](src/main/php/g0001_0100/s0075_sort_colors) [C#](src/main/csharp/g0001_0100/s0075_sort_colors) [Go](src/main/go/g0001_0100/s0075_sort_colors) [Cpp](src/main/cpp/g0001_0100/s0075_sort_colors) [Python](src/main/python/g0001_0100/s0075_sort_colors) [Swift](src/main/swift/g0001_0100/s0075_sort_colors) [Elixir](src/main/elixir/g0001_0100/s0075_sort_colors) [Rust](src/main/rust/g0001_0100/s0075_sort_colors) [Dart](src/main/dart/g0001_0100/s0075_sort_colors) [C](src/main/c/g0001_0100/s0075_sort_colors)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Sorting, Two_Pointers, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

| 0056 |Merge Intervals| [Java](src/main/java/g0001_0100/s0056_merge_intervals) [Kotlin](src/main/kotlin/g0001_0100/s0056_merge_intervals) [TypeScript](src/main/ts/g0001_0100/s0056_merge_intervals) [Scala](src/main/scala/g0001_0100/s0056_merge_intervals) [Ruby](src/main/ruby/g0001_0100/s0056_merge_intervals) [PHP](src/main/php/g0001_0100/s0056_merge_intervals) [C#](src/main/csharp/g0001_0100/s0056_merge_intervals) [Go](src/main/go/g0001_0100/s0056_merge_intervals) [Cpp](src/main/cpp/g0001_0100/s0056_merge_intervals) [Python](src/main/python/g0001_0100/s0056_merge_intervals) [Swift](src/main/swift/g0001_0100/s0056_merge_intervals) [Elixir](src/main/elixir/g0001_0100/s0056_merge_intervals) [Rust](src/main/rust/g0001_0100/s0056_merge_intervals) [Dart](src/main/dart/g0001_0100/s0056_merge_intervals) [C](src/main/c/g0001_0100/s0056_merge_intervals)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Sorting, Big_O_Time_O(n_log_n)_Space_O(n) | 7 | 98.37

#### Day 3 Array

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0048 |Rotate Image| [Java](src/main/java/g0001_0100/s0048_rotate_image) [Kotlin](src/main/kotlin/g0001_0100/s0048_rotate_image) [TypeScript](src/main/ts/g0001_0100/s0048_rotate_image) [Scala](src/main/scala/g0001_0100/s0048_rotate_image) [Ruby](src/main/ruby/g0001_0100/s0048_rotate_image) [PHP](src/main/php/g0001_0100/s0048_rotate_image) [C#](src/main/csharp/g0001_0100/s0048_rotate_image) [Go](src/main/go/g0001_0100/s0048_rotate_image) [Cpp](src/main/cpp/g0001_0100/s0048_rotate_image) [Python](src/main/python/g0001_0100/s0048_rotate_image) [Swift](src/main/swift/g0001_0100/s0048_rotate_image) [Elixir](src/main/elixir/g0001_0100/s0048_rotate_image) [Rust](src/main/rust/g0001_0100/s0048_rotate_image) [Dart](src/main/dart/g0001_0100/s0048_rotate_image) [C](src/main/c/g0001_0100/s0048_rotate_image)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Math, Matrix, Big_O_Time_O(n^2)_Space_O(1) | 0 | 100.00

#### Day 4 Array

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0240 |Search a 2D Matrix II| [Java](src/main/java/g0201_0300/s0240_search_a_2d_matrix_ii) [Kotlin](src/main/kotlin/g0201_0300/s0240_search_a_2d_matrix_ii) [TypeScript](src/main/ts/g0201_0300/s0240_search_a_2d_matrix_ii) [Scala](src/main/scala/g0201_0300/s0240_search_a_2d_matrix_ii) [Ruby](src/main/ruby/g0201_0300/s0240_search_a_2d_matrix_ii) [PHP](src/main/php/g0201_0300/s0240_search_a_2d_matrix_ii) [C#](src/main/csharp/g0201_0300/s0240_search_a_2d_matrix_ii) [Go](src/main/go/g0201_0300/s0240_search_a_2d_matrix_ii) [Cpp](src/main/cpp/g0201_0300/s0240_search_a_2d_matrix_ii) [Python](src/main/python/g0201_0300/s0240_search_a_2d_matrix_ii) [Swift](src/main/swift/g0201_0300/s0240_search_a_2d_matrix_ii) [Elixir](src/main/elixir/g0201_0300/s0240_search_a_2d_matrix_ii) [Rust](src/main/rust/g0201_0300/s0240_search_a_2d_matrix_ii) [Dart](src/main/dart/g0201_0300/s0240_search_a_2d_matrix_ii) [C](src/main/c/g0201_0300/s0240_search_a_2d_matrix_ii)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Matrix, Divide_and_Conquer, Big_O_Time_O(n+m)_Space_O(1) | 5 | 99.92

#### Day 5 Array

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0238 |Product of Array Except Self| [Java](src/main/java/g0201_0300/s0238_product_of_array_except_self) [Kotlin](src/main/kotlin/g0201_0300/s0238_product_of_array_except_self) [TypeScript](src/main/ts/g0201_0300/s0238_product_of_array_except_self) [Scala](src/main/scala/g0201_0300/s0238_product_of_array_except_self) [Ruby](src/main/ruby/g0201_0300/s0238_product_of_array_except_self) [PHP](src/main/php/g0201_0300/s0238_product_of_array_except_self) [C#](src/main/csharp/g0201_0300/s0238_product_of_array_except_self) [Go](src/main/go/g0201_0300/s0238_product_of_array_except_self) [Cpp](src/main/cpp/g0201_0300/s0238_product_of_array_except_self) [Python](src/main/python/g0201_0300/s0238_product_of_array_except_self) [Swift](src/main/swift/g0201_0300/s0238_product_of_array_except_self) [Elixir](src/main/elixir/g0201_0300/s0238_product_of_array_except_self) [Rust](src/main/rust/g0201_0300/s0238_product_of_array_except_self) [Dart](src/main/dart/g0201_0300/s0238_product_of_array_except_self) [C](src/main/c/g0201_0300/s0238_product_of_array_except_self)| Medium | Top_100_Liked_Questions, Array, Prefix_Sum, Big_O_Time_O(n^2)_Space_O(n) | 1 | 99.66

| 0560 |Subarray Sum Equals K| [Java](src/main/java/g0501_0600/s0560_subarray_sum_equals_k) [Kotlin](src/main/kotlin/g0501_0600/s0560_subarray_sum_equals_k) [TypeScript](src/main/ts/g0501_0600/s0560_subarray_sum_equals_k) [Scala](src/main/scala/g0501_0600/s0560_subarray_sum_equals_k) [Ruby](src/main/ruby/g0501_0600/s0560_subarray_sum_equals_k) [PHP](src/main/php/g0501_0600/s0560_subarray_sum_equals_k) [C#](src/main/csharp/g0501_0600/s0560_subarray_sum_equals_k) [Go](src/main/go/g0501_0600/s0560_subarray_sum_equals_k) [Cpp](src/main/cpp/g0501_0600/s0560_subarray_sum_equals_k) [Python](src/main/python/g0501_0600/s0560_subarray_sum_equals_k) [Swift](src/main/swift/g0501_0600/s0560_subarray_sum_equals_k) [Elixir](src/main/elixir/g0501_0600/s0560_subarray_sum_equals_k) [Rust](src/main/rust/g0501_0600/s0560_subarray_sum_equals_k) [Dart](src/main/dart/g0501_0600/s0560_subarray_sum_equals_k) [C](src/main/c/g0501_0600/s0560_subarray_sum_equals_k)| Medium | Top_100_Liked_Questions, Array, Hash_Table, Prefix_Sum, Big_O_Time_O(n)_Space_O(n) | 22 | 95.17

#### Day 6 String

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 7 String

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0763 |Partition Labels| [Java](src/main/java/g0701_0800/s0763_partition_labels) [Kotlin](src/main/kotlin/g0701_0800/s0763_partition_labels) [TypeScript](src/main/ts/g0701_0800/s0763_partition_labels) [Scala](src/main/scala/g0701_0800/s0763_partition_labels) [Ruby](src/main/ruby/g0701_0800/s0763_partition_labels) [PHP](src/main/php/g0701_0800/s0763_partition_labels) [C#](src/main/csharp/g0701_0800/s0763_partition_labels) [Go](src/main/go/g0701_0800/s0763_partition_labels) [Cpp](src/main/cpp/g0701_0800/s0763_partition_labels) [Python](src/main/python/g0701_0800/s0763_partition_labels) [Swift](src/main/swift/g0701_0800/s0763_partition_labels) [Elixir](src/main/elixir/g0701_0800/s0763_partition_labels) [Rust](src/main/rust/g0701_0800/s0763_partition_labels) [Dart](src/main/dart/g0701_0800/s0763_partition_labels) [C](src/main/c/g0701_0800/s0763_partition_labels)| Medium | String, Hash_Table, Greedy, Two_Pointers, Big_O_Time_O(n)_Space_O(1) | 2 | 100.00

#### Day 8 String

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0049 |Group Anagrams| [Java](src/main/java/g0001_0100/s0049_group_anagrams) [Kotlin](src/main/kotlin/g0001_0100/s0049_group_anagrams) [TypeScript](src/main/ts/g0001_0100/s0049_group_anagrams) [Scala](src/main/scala/g0001_0100/s0049_group_anagrams) [Ruby](src/main/ruby/g0001_0100/s0049_group_anagrams) [PHP](src/main/php/g0001_0100/s0049_group_anagrams) [C#](src/main/csharp/g0001_0100/s0049_group_anagrams) [Go](src/main/go/g0001_0100/s0049_group_anagrams) [Cpp](src/main/cpp/g0001_0100/s0049_group_anagrams) [Python](src/main/python/g0001_0100/s0049_group_anagrams) [Swift](src/main/swift/g0001_0100/s0049_group_anagrams) [Elixir](src/main/elixir/g0001_0100/s0049_group_anagrams) [Rust](src/main/rust/g0001_0100/s0049_group_anagrams) [Dart](src/main/dart/g0001_0100/s0049_group_anagrams) [C](src/main/c/g0001_0100/s0049_group_anagrams)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, String, Hash_Table, Sorting, Big_O_Time_O(n\*k_log_k)_Space_O(n) | 6 | 97.61

#### Day 9 String

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0005 |Longest Palindromic Substring| [Java](src/main/java/g0001_0100/s0005_longest_palindromic_substring) [Kotlin](src/main/kotlin/g0001_0100/s0005_longest_palindromic_substring) [TypeScript](src/main/ts/g0001_0100/s0005_longest_palindromic_substring) [Scala](src/main/scala/g0001_0100/s0005_longest_palindromic_substring) [Ruby](src/main/ruby/g0001_0100/s0005_longest_palindromic_substring) [PHP](src/main/php/g0001_0100/s0005_longest_palindromic_substring) [C#](src/main/csharp/g0001_0100/s0005_longest_palindromic_substring) [Go](src/main/go/g0001_0100/s0005_longest_palindromic_substring) [Cpp](src/main/cpp/g0001_0100/s0005_longest_palindromic_substring) [Python](src/main/python/g0001_0100/s0005_longest_palindromic_substring) [Swift](src/main/swift/g0001_0100/s0005_longest_palindromic_substring) [Elixir](src/main/elixir/g0001_0100/s0005_longest_palindromic_substring) [Rust](src/main/rust/g0001_0100/s0005_longest_palindromic_substring) [Dart](src/main/dart/g0001_0100/s0005_longest_palindromic_substring) [C](src/main/c/g0001_0100/s0005_longest_palindromic_substring)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Dynamic_Programming, Big_O_Time_O(n)_Space_O(n) | 7 | 97.82

#### Day 10 Linked List

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0002 |Add Two Numbers| [Java](src/main/java/g0001_0100/s0002_add_two_numbers) [Kotlin](src/main/kotlin/g0001_0100/s0002_add_two_numbers) [TypeScript](src/main/ts/g0001_0100/s0002_add_two_numbers) [Scala](src/main/scala/g0001_0100/s0002_add_two_numbers) [Ruby](src/main/ruby/g0001_0100/s0002_add_two_numbers) [PHP](src/main/php/g0001_0100/s0002_add_two_numbers) [C#](src/main/csharp/g0001_0100/s0002_add_two_numbers) [Go](src/main/go/g0001_0100/s0002_add_two_numbers) [Cpp](src/main/cpp/g0001_0100/s0002_add_two_numbers) [Python](src/main/python/g0001_0100/s0002_add_two_numbers) [Swift](src/main/swift/g0001_0100/s0002_add_two_numbers) [Elixir](src/main/elixir/g0001_0100/s0002_add_two_numbers) [Rust](src/main/rust/g0001_0100/s0002_add_two_numbers) [Dart](src/main/dart/g0001_0100/s0002_add_two_numbers) [C](src/main/c/g0001_0100/s0002_add_two_numbers)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Math, Linked_List, Recursion, Big_O_Time_O(max(N,M))_Space_O(max(N,M)), AI_can_be_used_to_solve_the_task | 1 | 100.00

| 0142 |Linked List Cycle II| [Java](src/main/java/g0101_0200/s0142_linked_list_cycle_ii) [Kotlin](src/main/kotlin/g0101_0200/s0142_linked_list_cycle_ii) [TypeScript](src/main/ts/g0101_0200/s0142_linked_list_cycle_ii) [Scala](src/main/scala/g0101_0200/s0142_linked_list_cycle_ii) [Ruby](src/main/ruby/g0101_0200/s0142_linked_list_cycle_ii) [PHP](src/main/php/g0101_0200/s0142_linked_list_cycle_ii) [C#](src/main/csharp/g0101_0200/s0142_linked_list_cycle_ii) [Go](src/main/go/g0101_0200/s0142_linked_list_cycle_ii) [Cpp](src/main/cpp/g0101_0200/s0142_linked_list_cycle_ii) [Python](src/main/python/g0101_0200/s0142_linked_list_cycle_ii) [Swift](src/main/swift/g0101_0200/s0142_linked_list_cycle_ii) [Elixir](src/main/elixir/g0101_0200/s0142_linked_list_cycle_ii) [Rust](src/main/rust/g0101_0200/s0142_linked_list_cycle_ii) [Dart](src/main/dart/g0101_0200/s0142_linked_list_cycle_ii) [C](src/main/c/g0101_0200/s0142_linked_list_cycle_ii)| Medium | Top_100_Liked_Questions, Hash_Table, Two_Pointers, Linked_List, Big_O_Time_O(N)_Space_O(1) | 0 | 100.00

#### Day 11 Linked List

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0160 |Intersection of Two Linked Lists| [Java](src/main/java/g0101_0200/s0160_intersection_of_two_linked_lists) [Kotlin](src/main/kotlin/g0101_0200/s0160_intersection_of_two_linked_lists) [TypeScript](src/main/ts/g0101_0200/s0160_intersection_of_two_linked_lists) [Scala](src/main/scala/g0101_0200/s0160_intersection_of_two_linked_lists) [Ruby](src/main/ruby/g0101_0200/s0160_intersection_of_two_linked_lists) [PHP](src/main/php/g0101_0200/s0160_intersection_of_two_linked_lists) [C#](src/main/csharp/g0101_0200/s0160_intersection_of_two_linked_lists) [Go](src/main/go/g0101_0200/s0160_intersection_of_two_linked_lists) [Cpp](src/main/cpp/g0101_0200/s0160_intersection_of_two_linked_lists) [Python](src/main/python/g0101_0200/s0160_intersection_of_two_linked_lists) [Swift](src/main/swift/g0101_0200/s0160_intersection_of_two_linked_lists) [Elixir](src/main/elixir/g0101_0200/s0160_intersection_of_two_linked_lists) [Rust](src/main/rust/g0101_0200/s0160_intersection_of_two_linked_lists) [Dart](src/main/dart/g0101_0200/s0160_intersection_of_two_linked_lists) [C](src/main/c/g0101_0200/s0160_intersection_of_two_linked_lists)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Two_Pointers, Linked_List, Big_O_Time_O(M+N)_Space_O(1) | 1 | 99.92

#### Day 12 Linked List

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0024 |Swap Nodes in Pairs| [Java](src/main/java/g0001_0100/s0024_swap_nodes_in_pairs) [Kotlin](src/main/kotlin/g0001_0100/s0024_swap_nodes_in_pairs) [TypeScript](src/main/ts/g0001_0100/s0024_swap_nodes_in_pairs) [Scala](src/main/scala/g0001_0100/s0024_swap_nodes_in_pairs) [Ruby](src/main/ruby/g0001_0100/s0024_swap_nodes_in_pairs) [PHP](src/main/php/g0001_0100/s0024_swap_nodes_in_pairs) [C#](src/main/csharp/g0001_0100/s0024_swap_nodes_in_pairs) [Go](src/main/go/g0001_0100/s0024_swap_nodes_in_pairs) [Cpp](src/main/cpp/g0001_0100/s0024_swap_nodes_in_pairs) [Python](src/main/python/g0001_0100/s0024_swap_nodes_in_pairs) [Swift](src/main/swift/g0001_0100/s0024_swap_nodes_in_pairs) [Elixir](src/main/elixir/g0001_0100/s0024_swap_nodes_in_pairs) [Rust](src/main/rust/g0001_0100/s0024_swap_nodes_in_pairs) [Dart](src/main/dart/g0001_0100/s0024_swap_nodes_in_pairs) [C](src/main/c/g0001_0100/s0024_swap_nodes_in_pairs)| Medium | Top_100_Liked_Questions, Linked_List, Recursion, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

#### Day 13 Linked List

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0025 |Reverse Nodes in k-Group| [Java](src/main/java/g0001_0100/s0025_reverse_nodes_in_k_group) [Kotlin](src/main/kotlin/g0001_0100/s0025_reverse_nodes_in_k_group) [TypeScript](src/main/ts/g0001_0100/s0025_reverse_nodes_in_k_group) [Scala](src/main/scala/g0001_0100/s0025_reverse_nodes_in_k_group) [Ruby](src/main/ruby/g0001_0100/s0025_reverse_nodes_in_k_group) [PHP](src/main/php/g0001_0100/s0025_reverse_nodes_in_k_group) [C#](src/main/csharp/g0001_0100/s0025_reverse_nodes_in_k_group) [Go](src/main/go/g0001_0100/s0025_reverse_nodes_in_k_group) [Cpp](src/main/cpp/g0001_0100/s0025_reverse_nodes_in_k_group) [Python](src/main/python/g0001_0100/s0025_reverse_nodes_in_k_group) [Swift](src/main/swift/g0001_0100/s0025_reverse_nodes_in_k_group) [Elixir](src/main/elixir/g0001_0100/s0025_reverse_nodes_in_k_group) [Rust](src/main/rust/g0001_0100/s0025_reverse_nodes_in_k_group) [Dart](src/main/dart/g0001_0100/s0025_reverse_nodes_in_k_group) [C](src/main/c/g0001_0100/s0025_reverse_nodes_in_k_group)| Hard | Top_100_Liked_Questions, Linked_List, Recursion, Big_O_Time_O(n)_Space_O(k) | 0 | 100.00

#### Day 14 Stack Queue

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0155 |Min Stack| [Java](src/main/java/g0101_0200/s0155_min_stack) [Kotlin](src/main/kotlin/g0101_0200/s0155_min_stack) [TypeScript](src/main/ts/g0101_0200/s0155_min_stack) [Scala](src/main/scala/g0101_0200/s0155_min_stack) [Ruby](src/main/ruby/g0101_0200/s0155_min_stack) [PHP](src/main/php/g0101_0200/s0155_min_stack) [C#](src/main/csharp/g0101_0200/s0155_min_stack) [Go](src/main/go/g0101_0200/s0155_min_stack) [Cpp](src/main/cpp/g0101_0200/s0155_min_stack) [Python](src/main/python/g0101_0200/s0155_min_stack) [Swift](src/main/swift/g0101_0200/s0155_min_stack) [Elixir](src/main/elixir/g0101_0200/s0155_min_stack) [Rust](src/main/rust/g0101_0200/s0155_min_stack) [Dart](src/main/dart/g0101_0200/s0155_min_stack) [C](src/main/c/g0101_0200/s0155_min_stack)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Stack, Design, Big_O_Time_O(1)_Space_O(N) | 4 | 96.54

#### Day 15 Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0105 |Construct Binary Tree from Preorder and Inorder Traversal| [Java](src/main/java/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Kotlin](src/main/kotlin/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [TypeScript](src/main/ts/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Scala](src/main/scala/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Ruby](src/main/ruby/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [PHP](src/main/php/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [C#](src/main/csharp/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Go](src/main/go/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Cpp](src/main/cpp/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Python](src/main/python/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Swift](src/main/swift/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Elixir](src/main/elixir/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Rust](src/main/rust/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Dart](src/main/dart/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [C](src/main/c/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Tree, Binary_Tree, Divide_and_Conquer, Big_O_Time_O(N)_Space_O(N) | 1 | 96.33

#### Day 16 Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 17 Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0230 |Kth Smallest Element in a BST| [Java](src/main/java/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Kotlin](src/main/kotlin/g0201_0300/s0230_kth_smallest_element_in_a_bst) [TypeScript](src/main/ts/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Scala](src/main/scala/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Ruby](src/main/ruby/g0201_0300/s0230_kth_smallest_element_in_a_bst) [PHP](src/main/php/g0201_0300/s0230_kth_smallest_element_in_a_bst) [C#](src/main/csharp/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Go](src/main/go/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Cpp](src/main/cpp/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Python](src/main/python/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Swift](src/main/swift/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Elixir](src/main/elixir/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Rust](src/main/rust/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Dart](src/main/dart/g0201_0300/s0230_kth_smallest_element_in_a_bst) [C](src/main/c/g0201_0300/s0230_kth_smallest_element_in_a_bst)| Medium | Top_100_Liked_Questions, Depth_First_Search, Tree, Binary_Tree, Binary_Search_Tree, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

#### Day 18 Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0236 |Lowest Common Ancestor of a Binary Tree| [Java](src/main/java/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Kotlin](src/main/kotlin/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [TypeScript](src/main/ts/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Scala](src/main/scala/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Ruby](src/main/ruby/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [PHP](src/main/php/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [C#](src/main/csharp/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Go](src/main/go/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Cpp](src/main/cpp/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Python](src/main/python/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Swift](src/main/swift/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Elixir](src/main/elixir/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Rust](src/main/rust/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Dart](src/main/dart/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [C](src/main/c/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree)| Medium | Top_100_Liked_Questions, Depth_First_Search, Tree, Binary_Tree, Big_O_Time_O(n)_Space_O(n) | 6 | 100.00

#### Day 19 Graph

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 20 Heap Priority Queue

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0215 |Kth Largest Element in an Array| [Java](src/main/java/g0201_0300/s0215_kth_largest_element_in_an_array) [Kotlin](src/main/kotlin/g0201_0300/s0215_kth_largest_element_in_an_array) [TypeScript](src/main/ts/g0201_0300/s0215_kth_largest_element_in_an_array) [Scala](src/main/scala/g0201_0300/s0215_kth_largest_element_in_an_array) [Ruby](src/main/ruby/g0201_0300/s0215_kth_largest_element_in_an_array) [PHP](src/main/php/g0201_0300/s0215_kth_largest_element_in_an_array) [C#](src/main/csharp/g0201_0300/s0215_kth_largest_element_in_an_array) [Go](src/main/go/g0201_0300/s0215_kth_largest_element_in_an_array) [Cpp](src/main/cpp/g0201_0300/s0215_kth_largest_element_in_an_array) [Python](src/main/python/g0201_0300/s0215_kth_largest_element_in_an_array) [Swift](src/main/swift/g0201_0300/s0215_kth_largest_element_in_an_array) [Elixir](src/main/elixir/g0201_0300/s0215_kth_largest_element_in_an_array) [Rust](src/main/rust/g0201_0300/s0215_kth_largest_element_in_an_array) [Dart](src/main/dart/g0201_0300/s0215_kth_largest_element_in_an_array) [C](src/main/c/g0201_0300/s0215_kth_largest_element_in_an_array)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Sorting, Heap_Priority_Queue, Divide_and_Conquer, Quickselect, Big_O_Time_O(n\*log(n))_Space_O(log(n)) | 5 | 70.82

| 0347 |Top K Frequent Elements| [Java](src/main/java/g0301_0400/s0347_top_k_frequent_elements) [Kotlin](src/main/kotlin/g0301_0400/s0347_top_k_frequent_elements) [TypeScript](src/main/ts/g0301_0400/s0347_top_k_frequent_elements) [Scala](src/main/scala/g0301_0400/s0347_top_k_frequent_elements) [Ruby](src/main/ruby/g0301_0400/s0347_top_k_frequent_elements) [PHP](src/main/php/g0301_0400/s0347_top_k_frequent_elements) [C#](src/main/csharp/g0301_0400/s0347_top_k_frequent_elements) [Go](src/main/go/g0301_0400/s0347_top_k_frequent_elements) [Cpp](src/main/cpp/g0301_0400/s0347_top_k_frequent_elements) [Python](src/main/python/g0301_0400/s0347_top_k_frequent_elements) [Swift](src/main/swift/g0301_0400/s0347_top_k_frequent_elements) [Elixir](src/main/elixir/g0301_0400/s0347_top_k_frequent_elements) [Rust](src/main/rust/g0301_0400/s0347_top_k_frequent_elements) [Dart](src/main/dart/g0301_0400/s0347_top_k_frequent_elements) [C](src/main/c/g0301_0400/s0347_top_k_frequent_elements)| Medium | Top_100_Liked_Questions, Array, Hash_Table, Sorting, Heap_Priority_Queue, Counting, Divide_and_Conquer, Quickselect, Bucket_Sort, Big_O_Time_O(n\*log(n))_Space_O(k) | 9 | 97.30

#### Day 21 Heap Priority Queue

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

### Algorithm I

#### Day 1 Binary Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0035 |Search Insert Position| [Java](src/main/java/g0001_0100/s0035_search_insert_position) [Kotlin](src/main/kotlin/g0001_0100/s0035_search_insert_position) [TypeScript](src/main/ts/g0001_0100/s0035_search_insert_position) [Scala](src/main/scala/g0001_0100/s0035_search_insert_position) [Ruby](src/main/ruby/g0001_0100/s0035_search_insert_position) [PHP](src/main/php/g0001_0100/s0035_search_insert_position) [C#](src/main/csharp/g0001_0100/s0035_search_insert_position) [Go](src/main/go/g0001_0100/s0035_search_insert_position) [Cpp](src/main/cpp/g0001_0100/s0035_search_insert_position) [Python](src/main/python/g0001_0100/s0035_search_insert_position) [Swift](src/main/swift/g0001_0100/s0035_search_insert_position) [Elixir](src/main/elixir/g0001_0100/s0035_search_insert_position) [Rust](src/main/rust/g0001_0100/s0035_search_insert_position) [Dart](src/main/dart/g0001_0100/s0035_search_insert_position) [C](src/main/c/g0001_0100/s0035_search_insert_position)| Easy | Top_100_Liked_Questions, Array, Binary_Search, Big_O_Time_O(log_n)_Space_O(1) | 0 | 100.00

#### Day 2 Two Pointers

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0189 |Rotate Array| [Java](src/main/java/g0101_0200/s0189_rotate_array) [Kotlin](src/main/kotlin/g0101_0200/s0189_rotate_array) [TypeScript](src/main/ts/g0101_0200/s0189_rotate_array) [Scala](src/main/scala/g0101_0200/s0189_rotate_array) [Ruby](src/main/ruby/g0101_0200/s0189_rotate_array) [PHP](src/main/php/g0101_0200/s0189_rotate_array) [C#](src/main/csharp/g0101_0200/s0189_rotate_array) [Go](src/main/go/g0101_0200/s0189_rotate_array) [Cpp](src/main/cpp/g0101_0200/s0189_rotate_array) [Python](src/main/python/g0101_0200/s0189_rotate_array) [Swift](src/main/swift/g0101_0200/s0189_rotate_array) [Elixir](src/main/elixir/g0101_0200/s0189_rotate_array) [Rust](src/main/rust/g0101_0200/s0189_rotate_array) [Dart](src/main/dart/g0101_0200/s0189_rotate_array) [C](src/main/c/g0101_0200/s0189_rotate_array)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Math, Two_Pointers, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

#### Day 3 Two Pointers

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0283 |Move Zeroes| [Java](src/main/java/g0201_0300/s0283_move_zeroes) [Kotlin](src/main/kotlin/g0201_0300/s0283_move_zeroes) [TypeScript](src/main/ts/g0201_0300/s0283_move_zeroes) [Scala](src/main/scala/g0201_0300/s0283_move_zeroes) [Ruby](src/main/ruby/g0201_0300/s0283_move_zeroes) [PHP](src/main/php/g0201_0300/s0283_move_zeroes) [C#](src/main/csharp/g0201_0300/s0283_move_zeroes) [Go](src/main/go/g0201_0300/s0283_move_zeroes) [Cpp](src/main/cpp/g0201_0300/s0283_move_zeroes) [Python](src/main/python/g0201_0300/s0283_move_zeroes) [Swift](src/main/swift/g0201_0300/s0283_move_zeroes) [Elixir](src/main/elixir/g0201_0300/s0283_move_zeroes) [Rust](src/main/rust/g0201_0300/s0283_move_zeroes) [Dart](src/main/dart/g0201_0300/s0283_move_zeroes) [C](src/main/c/g0201_0300/s0283_move_zeroes)| Easy | Top_100_Liked_Questions, Array, Two_Pointers, Big_O_Time_O(n)_Space_O(1) | 2 | 83.99

#### Day 4 Two Pointers

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 5 Two Pointers

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0019 |Remove Nth Node From End of List| [Java](src/main/java/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Kotlin](src/main/kotlin/g0001_0100/s0019_remove_nth_node_from_end_of_list) [TypeScript](src/main/ts/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Scala](src/main/scala/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Ruby](src/main/ruby/g0001_0100/s0019_remove_nth_node_from_end_of_list) [PHP](src/main/php/g0001_0100/s0019_remove_nth_node_from_end_of_list) [C#](src/main/csharp/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Go](src/main/go/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Cpp](src/main/cpp/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Python](src/main/python/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Swift](src/main/swift/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Elixir](src/main/elixir/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Rust](src/main/rust/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Dart](src/main/dart/g0001_0100/s0019_remove_nth_node_from_end_of_list) [C](src/main/c/g0001_0100/s0019_remove_nth_node_from_end_of_list)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Two_Pointers, Linked_List, Big_O_Time_O(L)_Space_O(L) | 0 | 100.00

#### Day 6 Sliding Window

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0003 |Longest Substring Without Repeating Characters| [Java](src/main/java/g0001_0100/s0003_longest_substring_without_repeating_characters) [Kotlin](src/main/kotlin/g0001_0100/s0003_longest_substring_without_repeating_characters) [TypeScript](src/main/ts/g0001_0100/s0003_longest_substring_without_repeating_characters) [Scala](src/main/scala/g0001_0100/s0003_longest_substring_without_repeating_characters) [Ruby](src/main/ruby/g0001_0100/s0003_longest_substring_without_repeating_characters) [PHP](src/main/php/g0001_0100/s0003_longest_substring_without_repeating_characters) [C#](src/main/csharp/g0001_0100/s0003_longest_substring_without_repeating_characters) [Go](src/main/go/g0001_0100/s0003_longest_substring_without_repeating_characters) [Cpp](src/main/cpp/g0001_0100/s0003_longest_substring_without_repeating_characters) [Python](src/main/python/g0001_0100/s0003_longest_substring_without_repeating_characters) [Swift](src/main/swift/g0001_0100/s0003_longest_substring_without_repeating_characters) [Elixir](src/main/elixir/g0001_0100/s0003_longest_substring_without_repeating_characters) [Rust](src/main/rust/g0001_0100/s0003_longest_substring_without_repeating_characters) [Dart](src/main/dart/g0001_0100/s0003_longest_substring_without_repeating_characters) [C](src/main/c/g0001_0100/s0003_longest_substring_without_repeating_characters)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Sliding_Window, Big_O_Time_O(n)_Space_O(1), AI_can_be_used_to_solve_the_task | 2 | 98.59

#### Day 7 Breadth First Search Depth First Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 8 Breadth First Search Depth First Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 9 Breadth First Search Depth First Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 10 Recursion Backtracking

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0021 |Merge Two Sorted Lists| [Java](src/main/java/g0001_0100/s0021_merge_two_sorted_lists) [Kotlin](src/main/kotlin/g0001_0100/s0021_merge_two_sorted_lists) [TypeScript](src/main/ts/g0001_0100/s0021_merge_two_sorted_lists) [Scala](src/main/scala/g0001_0100/s0021_merge_two_sorted_lists) [Ruby](src/main/ruby/g0001_0100/s0021_merge_two_sorted_lists) [PHP](src/main/php/g0001_0100/s0021_merge_two_sorted_lists) [C#](src/main/csharp/g0001_0100/s0021_merge_two_sorted_lists) [Go](src/main/go/g0001_0100/s0021_merge_two_sorted_lists) [Cpp](src/main/cpp/g0001_0100/s0021_merge_two_sorted_lists) [Python](src/main/python/g0001_0100/s0021_merge_two_sorted_lists) [Swift](src/main/swift/g0001_0100/s0021_merge_two_sorted_lists) [Elixir](src/main/elixir/g0001_0100/s0021_merge_two_sorted_lists) [Rust](src/main/rust/g0001_0100/s0021_merge_two_sorted_lists) [Dart](src/main/dart/g0001_0100/s0021_merge_two_sorted_lists) [C](src/main/c/g0001_0100/s0021_merge_two_sorted_lists)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Linked_List, Recursion, Big_O_Time_O(m+n)_Space_O(m+n) | 0 | 100.00

| 0206 |Reverse Linked List| [Java](src/main/java/g0201_0300/s0206_reverse_linked_list) [Kotlin](src/main/kotlin/g0201_0300/s0206_reverse_linked_list) [TypeScript](src/main/ts/g0201_0300/s0206_reverse_linked_list) [Scala](src/main/scala/g0201_0300/s0206_reverse_linked_list) [Ruby](src/main/ruby/g0201_0300/s0206_reverse_linked_list) [PHP](src/main/php/g0201_0300/s0206_reverse_linked_list) [C#](src/main/csharp/g0201_0300/s0206_reverse_linked_list) [Go](src/main/go/g0201_0300/s0206_reverse_linked_list) [Cpp](src/main/cpp/g0201_0300/s0206_reverse_linked_list) [Python](src/main/python/g0201_0300/s0206_reverse_linked_list) [Swift](src/main/swift/g0201_0300/s0206_reverse_linked_list) [Elixir](src/main/elixir/g0201_0300/s0206_reverse_linked_list) [Rust](src/main/rust/g0201_0300/s0206_reverse_linked_list) [Dart](src/main/dart/g0201_0300/s0206_reverse_linked_list) [C](src/main/c/g0201_0300/s0206_reverse_linked_list)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Linked_List, Recursion, Big_O_Time_O(N)_Space_O(1) | 0 | 100.00

#### Day 11 Recursion Backtracking

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0046 |Permutations| [Java](src/main/java/g0001_0100/s0046_permutations) [Kotlin](src/main/kotlin/g0001_0100/s0046_permutations) [TypeScript](src/main/ts/g0001_0100/s0046_permutations) [Scala](src/main/scala/g0001_0100/s0046_permutations) [Ruby](src/main/ruby/g0001_0100/s0046_permutations) [PHP](src/main/php/g0001_0100/s0046_permutations) [C#](src/main/csharp/g0001_0100/s0046_permutations) [Go](src/main/go/g0001_0100/s0046_permutations) [Cpp](src/main/cpp/g0001_0100/s0046_permutations) [Python](src/main/python/g0001_0100/s0046_permutations) [Swift](src/main/swift/g0001_0100/s0046_permutations) [Elixir](src/main/elixir/g0001_0100/s0046_permutations) [Rust](src/main/rust/g0001_0100/s0046_permutations) [Dart](src/main/dart/g0001_0100/s0046_permutations) [C](src/main/c/g0001_0100/s0046_permutations)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Backtracking, Big_O_Time_O(n\*n!)_Space_O(n+n!) | 1 | 94.08

#### Day 12 Dynamic Programming

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0070 |Climbing Stairs| [Java](src/main/java/g0001_0100/s0070_climbing_stairs) [Kotlin](src/main/kotlin/g0001_0100/s0070_climbing_stairs) [TypeScript](src/main/ts/g0001_0100/s0070_climbing_stairs) [Scala](src/main/scala/g0001_0100/s0070_climbing_stairs) [Ruby](src/main/ruby/g0001_0100/s0070_climbing_stairs) [PHP](src/main/php/g0001_0100/s0070_climbing_stairs) [C#](src/main/csharp/g0001_0100/s0070_climbing_stairs) [Go](src/main/go/g0001_0100/s0070_climbing_stairs) [Cpp](src/main/cpp/g0001_0100/s0070_climbing_stairs) [Python](src/main/python/g0001_0100/s0070_climbing_stairs) [Swift](src/main/swift/g0001_0100/s0070_climbing_stairs) [Elixir](src/main/elixir/g0001_0100/s0070_climbing_stairs) [Rust](src/main/rust/g0001_0100/s0070_climbing_stairs) [Dart](src/main/dart/g0001_0100/s0070_climbing_stairs) [C](src/main/c/g0001_0100/s0070_climbing_stairs)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Dynamic_Programming, Math, Memoization, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0198 |House Robber| [Java](src/main/java/g0101_0200/s0198_house_robber) [Kotlin](src/main/kotlin/g0101_0200/s0198_house_robber) [TypeScript](src/main/ts/g0101_0200/s0198_house_robber) [Scala](src/main/scala/g0101_0200/s0198_house_robber) [Ruby](src/main/ruby/g0101_0200/s0198_house_robber) [PHP](src/main/php/g0101_0200/s0198_house_robber) [C#](src/main/csharp/g0101_0200/s0198_house_robber) [Go](src/main/go/g0101_0200/s0198_house_robber) [Cpp](src/main/cpp/g0101_0200/s0198_house_robber) [Python](src/main/python/g0101_0200/s0198_house_robber) [Swift](src/main/swift/g0101_0200/s0198_house_robber) [Elixir](src/main/elixir/g0101_0200/s0198_house_robber) [Rust](src/main/rust/g0101_0200/s0198_house_robber) [Dart](src/main/dart/g0101_0200/s0198_house_robber) [C](src/main/c/g0101_0200/s0198_house_robber)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

#### Day 13 Bit Manipulation

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 14 Bit Manipulation

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0136 |Single Number| [Java](src/main/java/g0101_0200/s0136_single_number) [Kotlin](src/main/kotlin/g0101_0200/s0136_single_number) [TypeScript](src/main/ts/g0101_0200/s0136_single_number) [Scala](src/main/scala/g0101_0200/s0136_single_number) [Ruby](src/main/ruby/g0101_0200/s0136_single_number) [PHP](src/main/php/g0101_0200/s0136_single_number) [C#](src/main/csharp/g0101_0200/s0136_single_number) [Go](src/main/go/g0101_0200/s0136_single_number) [Cpp](src/main/cpp/g0101_0200/s0136_single_number) [Python](src/main/python/g0101_0200/s0136_single_number) [Swift](src/main/swift/g0101_0200/s0136_single_number) [Elixir](src/main/elixir/g0101_0200/s0136_single_number) [Rust](src/main/rust/g0101_0200/s0136_single_number) [Dart](src/main/dart/g0101_0200/s0136_single_number) [C](src/main/c/g0101_0200/s0136_single_number)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Bit_Manipulation, Big_O_Time_O(N)_Space_O(1) | 1 | 99.86

### Algorithm II

#### Day 1 Binary Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0034 |Find First and Last Position of Element in Sorted Array| [Java](src/main/java/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Kotlin](src/main/kotlin/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [TypeScript](src/main/ts/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Scala](src/main/scala/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Ruby](src/main/ruby/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [PHP](src/main/php/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [C#](src/main/csharp/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Go](src/main/go/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Cpp](src/main/cpp/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Python](src/main/python/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Swift](src/main/swift/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Elixir](src/main/elixir/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Rust](src/main/rust/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Dart](src/main/dart/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [C](src/main/c/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Binary_Search, Big_O_Time_O(log_n)_Space_O(1) | 0 | 100.00

| 0033 |Search in Rotated Sorted Array| [Java](src/main/java/g0001_0100/s0033_search_in_rotated_sorted_array) [Kotlin](src/main/kotlin/g0001_0100/s0033_search_in_rotated_sorted_array) [TypeScript](src/main/ts/g0001_0100/s0033_search_in_rotated_sorted_array) [Scala](src/main/scala/g0001_0100/s0033_search_in_rotated_sorted_array) [Ruby](src/main/ruby/g0001_0100/s0033_search_in_rotated_sorted_array) [PHP](src/main/php/g0001_0100/s0033_search_in_rotated_sorted_array) [C#](src/main/csharp/g0001_0100/s0033_search_in_rotated_sorted_array) [Go](src/main/go/g0001_0100/s0033_search_in_rotated_sorted_array) [Cpp](src/main/cpp/g0001_0100/s0033_search_in_rotated_sorted_array) [Python](src/main/python/g0001_0100/s0033_search_in_rotated_sorted_array) [Swift](src/main/swift/g0001_0100/s0033_search_in_rotated_sorted_array) [Elixir](src/main/elixir/g0001_0100/s0033_search_in_rotated_sorted_array) [Rust](src/main/rust/g0001_0100/s0033_search_in_rotated_sorted_array) [Dart](src/main/dart/g0001_0100/s0033_search_in_rotated_sorted_array) [C](src/main/c/g0001_0100/s0033_search_in_rotated_sorted_array)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Binary_Search, Big_O_Time_O(log_n)_Space_O(1) | 0 | 100.00

| 0074 |Search a 2D Matrix| [Java](src/main/java/g0001_0100/s0074_search_a_2d_matrix) [Kotlin](src/main/kotlin/g0001_0100/s0074_search_a_2d_matrix) [TypeScript](src/main/ts/g0001_0100/s0074_search_a_2d_matrix) [Scala](src/main/scala/g0001_0100/s0074_search_a_2d_matrix) [Ruby](src/main/ruby/g0001_0100/s0074_search_a_2d_matrix) [PHP](src/main/php/g0001_0100/s0074_search_a_2d_matrix) [C#](src/main/csharp/g0001_0100/s0074_search_a_2d_matrix) [Go](src/main/go/g0001_0100/s0074_search_a_2d_matrix) [Cpp](src/main/cpp/g0001_0100/s0074_search_a_2d_matrix) [Python](src/main/python/g0001_0100/s0074_search_a_2d_matrix) [Swift](src/main/swift/g0001_0100/s0074_search_a_2d_matrix) [Elixir](src/main/elixir/g0001_0100/s0074_search_a_2d_matrix) [Rust](src/main/rust/g0001_0100/s0074_search_a_2d_matrix) [Dart](src/main/dart/g0001_0100/s0074_search_a_2d_matrix) [C](src/main/c/g0001_0100/s0074_search_a_2d_matrix)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Matrix, Big_O_Time_O(endRow+endCol)_Space_O(1) | 0 | 100.00

#### Day 2 Binary Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0153 |Find Minimum in Rotated Sorted Array| [Java](src/main/java/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Kotlin](src/main/kotlin/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [TypeScript](src/main/ts/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Scala](src/main/scala/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Ruby](src/main/ruby/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [PHP](src/main/php/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [C#](src/main/csharp/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Go](src/main/go/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Cpp](src/main/cpp/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Python](src/main/python/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Swift](src/main/swift/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Elixir](src/main/elixir/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Rust](src/main/rust/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Dart](src/main/dart/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [C](src/main/c/g0101_0200/s0153_find_minimum_in_rotated_sorted_array)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Big_O_Time_O(log_N)_Space_O(log_N) | 0 | 100.00

#### Day 3 Two Pointers

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0015 |3Sum| [Java](src/main/java/g0001_0100/s0015_3sum) [Kotlin](src/main/kotlin/g0001_0100/s0015_3sum) [TypeScript](src/main/ts/g0001_0100/s0015_3sum) [Scala](src/main/scala/g0001_0100/s0015_3sum) [Ruby](src/main/ruby/g0001_0100/s0015_3sum) [PHP](src/main/php/g0001_0100/s0015_3sum) [C#](src/main/csharp/g0001_0100/s0015_3sum) [Go](src/main/go/g0001_0100/s0015_3sum) [Cpp](src/main/cpp/g0001_0100/s0015_3sum) [Python](src/main/python/g0001_0100/s0015_3sum) [Swift](src/main/swift/g0001_0100/s0015_3sum) [Elixir](src/main/elixir/g0001_0100/s0015_3sum) [Rust](src/main/rust/g0001_0100/s0015_3sum) [Dart](src/main/dart/g0001_0100/s0015_3sum) [C](src/main/c/g0001_0100/s0015_3sum)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Sorting, Two_Pointers, Big_O_Time_O(n\*log(n))_Space_O(n^2) | 29 | 72.02

#### Day 4 Two Pointers

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0011 |Container With Most Water| [Java](src/main/java/g0001_0100/s0011_container_with_most_water) [Kotlin](src/main/kotlin/g0001_0100/s0011_container_with_most_water) [TypeScript](src/main/ts/g0001_0100/s0011_container_with_most_water) [Scala](src/main/scala/g0001_0100/s0011_container_with_most_water) [Ruby](src/main/ruby/g0001_0100/s0011_container_with_most_water) [PHP](src/main/php/g0001_0100/s0011_container_with_most_water) [C#](src/main/csharp/g0001_0100/s0011_container_with_most_water) [Go](src/main/go/g0001_0100/s0011_container_with_most_water) [Cpp](src/main/cpp/g0001_0100/s0011_container_with_most_water) [Python](src/main/python/g0001_0100/s0011_container_with_most_water) [Swift](src/main/swift/g0001_0100/s0011_container_with_most_water) [Elixir](src/main/elixir/g0001_0100/s0011_container_with_most_water) [Rust](src/main/rust/g0001_0100/s0011_container_with_most_water) [Dart](src/main/dart/g0001_0100/s0011_container_with_most_water) [C](src/main/c/g0001_0100/s0011_container_with_most_water)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Greedy, Two_Pointers, Big_O_Time_O(n)_Space_O(1) | 3 | 96.01

#### Day 5 Sliding Window

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0438 |Find All Anagrams in a String| [Java](src/main/java/g0401_0500/s0438_find_all_anagrams_in_a_string) [Kotlin](src/main/kotlin/g0401_0500/s0438_find_all_anagrams_in_a_string) [TypeScript](src/main/ts/g0401_0500/s0438_find_all_anagrams_in_a_string) [Scala](src/main/scala/g0401_0500/s0438_find_all_anagrams_in_a_string) [Ruby](src/main/ruby/g0401_0500/s0438_find_all_anagrams_in_a_string) [PHP](src/main/php/g0401_0500/s0438_find_all_anagrams_in_a_string) [C#](src/main/csharp/g0401_0500/s0438_find_all_anagrams_in_a_string) [Go](src/main/go/g0401_0500/s0438_find_all_anagrams_in_a_string) [Cpp](src/main/cpp/g0401_0500/s0438_find_all_anagrams_in_a_string) [Python](src/main/python/g0401_0500/s0438_find_all_anagrams_in_a_string) [Swift](src/main/swift/g0401_0500/s0438_find_all_anagrams_in_a_string) [Elixir](src/main/elixir/g0401_0500/s0438_find_all_anagrams_in_a_string) [Rust](src/main/rust/g0401_0500/s0438_find_all_anagrams_in_a_string) [Dart](src/main/dart/g0401_0500/s0438_find_all_anagrams_in_a_string) [C](src/main/c/g0401_0500/s0438_find_all_anagrams_in_a_string)| Medium | Top_100_Liked_Questions, String, Hash_Table, Sliding_Window, Big_O_Time_O(n+m)_Space_O(1) | 3 | 99.83

#### Day 6 Breadth First Search Depth First Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0200 |Number of Islands| [Java](src/main/java/g0101_0200/s0200_number_of_islands) [Kotlin](src/main/kotlin/g0101_0200/s0200_number_of_islands) [TypeScript](src/main/ts/g0101_0200/s0200_number_of_islands) [Scala](src/main/scala/g0101_0200/s0200_number_of_islands) [Ruby](src/main/ruby/g0101_0200/s0200_number_of_islands) [PHP](src/main/php/g0101_0200/s0200_number_of_islands) [C#](src/main/csharp/g0101_0200/s0200_number_of_islands) [Go](src/main/go/g0101_0200/s0200_number_of_islands) [Cpp](src/main/cpp/g0101_0200/s0200_number_of_islands) [Python](src/main/python/g0101_0200/s0200_number_of_islands) [Swift](src/main/swift/g0101_0200/s0200_number_of_islands) [Elixir](src/main/elixir/g0101_0200/s0200_number_of_islands) [Rust](src/main/rust/g0101_0200/s0200_number_of_islands) [Dart](src/main/dart/g0101_0200/s0200_number_of_islands) [C](src/main/c/g0101_0200/s0200_number_of_islands)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find, Big_O_Time_O(M\*N)_Space_O(M\*N) | 3 | 87.24

#### Day 7 Breadth First Search Depth First Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 8 Breadth First Search Depth First Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 9 Recursion Backtracking

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0078 |Subsets| [Java](src/main/java/g0001_0100/s0078_subsets) [Kotlin](src/main/kotlin/g0001_0100/s0078_subsets) [TypeScript](src/main/ts/g0001_0100/s0078_subsets) [Scala](src/main/scala/g0001_0100/s0078_subsets) [Ruby](src/main/ruby/g0001_0100/s0078_subsets) [PHP](src/main/php/g0001_0100/s0078_subsets) [C#](src/main/csharp/g0001_0100/s0078_subsets) [Go](src/main/go/g0001_0100/s0078_subsets) [Cpp](src/main/cpp/g0001_0100/s0078_subsets) [Python](src/main/python/g0001_0100/s0078_subsets) [Swift](src/main/swift/g0001_0100/s0078_subsets) [Elixir](src/main/elixir/g0001_0100/s0078_subsets) [Rust](src/main/rust/g0001_0100/s0078_subsets) [Dart](src/main/dart/g0001_0100/s0078_subsets) [C](src/main/c/g0001_0100/s0078_subsets)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Bit_Manipulation, Backtracking, Big_O_Time_O(2^n)_Space_O(n\*2^n) | 0 | 100.00

#### Day 10 Recursion Backtracking

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0039 |Combination Sum| [Java](src/main/java/g0001_0100/s0039_combination_sum) [Kotlin](src/main/kotlin/g0001_0100/s0039_combination_sum) [TypeScript](src/main/ts/g0001_0100/s0039_combination_sum) [Scala](src/main/scala/g0001_0100/s0039_combination_sum) [Ruby](src/main/ruby/g0001_0100/s0039_combination_sum) [PHP](src/main/php/g0001_0100/s0039_combination_sum) [C#](src/main/csharp/g0001_0100/s0039_combination_sum) [Go](src/main/go/g0001_0100/s0039_combination_sum) [Cpp](src/main/cpp/g0001_0100/s0039_combination_sum) [Python](src/main/python/g0001_0100/s0039_combination_sum) [Swift](src/main/swift/g0001_0100/s0039_combination_sum) [Elixir](src/main/elixir/g0001_0100/s0039_combination_sum) [Rust](src/main/rust/g0001_0100/s0039_combination_sum) [Dart](src/main/dart/g0001_0100/s0039_combination_sum) [C](src/main/c/g0001_0100/s0039_combination_sum)| Medium | Top_100_Liked_Questions, Array, Backtracking, Big_O_Time_O(2^n)_Space_O(n+2^n) | 1 | 99.99

#### Day 11 Recursion Backtracking

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0017 |Letter Combinations of a Phone Number| [Java](src/main/java/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Kotlin](src/main/kotlin/g0001_0100/s0017_letter_combinations_of_a_phone_number) [TypeScript](src/main/ts/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Scala](src/main/scala/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Ruby](src/main/ruby/g0001_0100/s0017_letter_combinations_of_a_phone_number) [PHP](src/main/php/g0001_0100/s0017_letter_combinations_of_a_phone_number) [C#](src/main/csharp/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Go](src/main/go/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Cpp](src/main/cpp/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Python](src/main/python/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Swift](src/main/swift/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Elixir](src/main/elixir/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Rust](src/main/rust/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Dart](src/main/dart/g0001_0100/s0017_letter_combinations_of_a_phone_number) [C](src/main/c/g0001_0100/s0017_letter_combinations_of_a_phone_number)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Backtracking, Big_O_Time_O(4^n)_Space_O(n) | 0 | 100.00

| 0022 |Generate Parentheses| [Java](src/main/java/g0001_0100/s0022_generate_parentheses) [Kotlin](src/main/kotlin/g0001_0100/s0022_generate_parentheses) [TypeScript](src/main/ts/g0001_0100/s0022_generate_parentheses) [Scala](src/main/scala/g0001_0100/s0022_generate_parentheses) [Ruby](src/main/ruby/g0001_0100/s0022_generate_parentheses) [PHP](src/main/php/g0001_0100/s0022_generate_parentheses) [C#](src/main/csharp/g0001_0100/s0022_generate_parentheses) [Go](src/main/go/g0001_0100/s0022_generate_parentheses) [Cpp](src/main/cpp/g0001_0100/s0022_generate_parentheses) [Python](src/main/python/g0001_0100/s0022_generate_parentheses) [Swift](src/main/swift/g0001_0100/s0022_generate_parentheses) [Elixir](src/main/elixir/g0001_0100/s0022_generate_parentheses) [Rust](src/main/rust/g0001_0100/s0022_generate_parentheses) [Dart](src/main/dart/g0001_0100/s0022_generate_parentheses) [C](src/main/c/g0001_0100/s0022_generate_parentheses)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Dynamic_Programming, Backtracking, Big_O_Time_O(2^n)_Space_O(n) | 0 | 100.00

| 0079 |Word Search| [Java](src/main/java/g0001_0100/s0079_word_search) [Kotlin](src/main/kotlin/g0001_0100/s0079_word_search) [TypeScript](src/main/ts/g0001_0100/s0079_word_search) [Scala](src/main/scala/g0001_0100/s0079_word_search) [Ruby](src/main/ruby/g0001_0100/s0079_word_search) [PHP](src/main/php/g0001_0100/s0079_word_search) [C#](src/main/csharp/g0001_0100/s0079_word_search) [Go](src/main/go/g0001_0100/s0079_word_search) [Cpp](src/main/cpp/g0001_0100/s0079_word_search) [Python](src/main/python/g0001_0100/s0079_word_search) [Swift](src/main/swift/g0001_0100/s0079_word_search) [Elixir](src/main/elixir/g0001_0100/s0079_word_search) [Rust](src/main/rust/g0001_0100/s0079_word_search) [Dart](src/main/dart/g0001_0100/s0079_word_search) [C](src/main/c/g0001_0100/s0079_word_search)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Matrix, Backtracking, Big_O_Time_O(4^(m\*n))_Space_O(m\*n) | 64 | 98.51

#### Day 12 Dynamic Programming

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0055 |Jump Game| [Java](src/main/java/g0001_0100/s0055_jump_game) [Kotlin](src/main/kotlin/g0001_0100/s0055_jump_game) [TypeScript](src/main/ts/g0001_0100/s0055_jump_game) [Scala](src/main/scala/g0001_0100/s0055_jump_game) [Ruby](src/main/ruby/g0001_0100/s0055_jump_game) [PHP](src/main/php/g0001_0100/s0055_jump_game) [C#](src/main/csharp/g0001_0100/s0055_jump_game) [Go](src/main/go/g0001_0100/s0055_jump_game) [Cpp](src/main/cpp/g0001_0100/s0055_jump_game) [Python](src/main/python/g0001_0100/s0055_jump_game) [Swift](src/main/swift/g0001_0100/s0055_jump_game) [Elixir](src/main/elixir/g0001_0100/s0055_jump_game) [Rust](src/main/rust/g0001_0100/s0055_jump_game) [Dart](src/main/dart/g0001_0100/s0055_jump_game) [C](src/main/c/g0001_0100/s0055_jump_game)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Greedy, Big_O_Time_O(n)_Space_O(1) | 1 | 100.00

#### Day 13 Dynamic Programming

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0045 |Jump Game II| [Java](src/main/java/g0001_0100/s0045_jump_game_ii) [Kotlin](src/main/kotlin/g0001_0100/s0045_jump_game_ii) [TypeScript](src/main/ts/g0001_0100/s0045_jump_game_ii) [Scala](src/main/scala/g0001_0100/s0045_jump_game_ii) [Ruby](src/main/ruby/g0001_0100/s0045_jump_game_ii) [PHP](src/main/php/g0001_0100/s0045_jump_game_ii) [C#](src/main/csharp/g0001_0100/s0045_jump_game_ii) [Go](src/main/go/g0001_0100/s0045_jump_game_ii) [Cpp](src/main/cpp/g0001_0100/s0045_jump_game_ii) [Python](src/main/python/g0001_0100/s0045_jump_game_ii) [Swift](src/main/swift/g0001_0100/s0045_jump_game_ii) [Elixir](src/main/elixir/g0001_0100/s0045_jump_game_ii) [Rust](src/main/rust/g0001_0100/s0045_jump_game_ii) [Dart](src/main/dart/g0001_0100/s0045_jump_game_ii) [C](src/main/c/g0001_0100/s0045_jump_game_ii)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Greedy, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

| 0062 |Unique Paths| [Java](src/main/java/g0001_0100/s0062_unique_paths) [Kotlin](src/main/kotlin/g0001_0100/s0062_unique_paths) [TypeScript](src/main/ts/g0001_0100/s0062_unique_paths) [Scala](src/main/scala/g0001_0100/s0062_unique_paths) [Ruby](src/main/ruby/g0001_0100/s0062_unique_paths) [PHP](src/main/php/g0001_0100/s0062_unique_paths) [C#](src/main/csharp/g0001_0100/s0062_unique_paths) [Go](src/main/go/g0001_0100/s0062_unique_paths) [Cpp](src/main/cpp/g0001_0100/s0062_unique_paths) [Python](src/main/python/g0001_0100/s0062_unique_paths) [Swift](src/main/swift/g0001_0100/s0062_unique_paths) [Elixir](src/main/elixir/g0001_0100/s0062_unique_paths) [Rust](src/main/rust/g0001_0100/s0062_unique_paths) [Dart](src/main/dart/g0001_0100/s0062_unique_paths) [C](src/main/c/g0001_0100/s0062_unique_paths)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Dynamic_Programming, Math, Combinatorics, Big_O_Time_O(m\*n)_Space_O(m\*n) | 0 | 100.00

#### Day 14 Dynamic Programming

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0005 |Longest Palindromic Substring| [Java](src/main/java/g0001_0100/s0005_longest_palindromic_substring) [Kotlin](src/main/kotlin/g0001_0100/s0005_longest_palindromic_substring) [TypeScript](src/main/ts/g0001_0100/s0005_longest_palindromic_substring) [Scala](src/main/scala/g0001_0100/s0005_longest_palindromic_substring) [Ruby](src/main/ruby/g0001_0100/s0005_longest_palindromic_substring) [PHP](src/main/php/g0001_0100/s0005_longest_palindromic_substring) [C#](src/main/csharp/g0001_0100/s0005_longest_palindromic_substring) [Go](src/main/go/g0001_0100/s0005_longest_palindromic_substring) [Cpp](src/main/cpp/g0001_0100/s0005_longest_palindromic_substring) [Python](src/main/python/g0001_0100/s0005_longest_palindromic_substring) [Swift](src/main/swift/g0001_0100/s0005_longest_palindromic_substring) [Elixir](src/main/elixir/g0001_0100/s0005_longest_palindromic_substring) [Rust](src/main/rust/g0001_0100/s0005_longest_palindromic_substring) [Dart](src/main/dart/g0001_0100/s0005_longest_palindromic_substring) [C](src/main/c/g0001_0100/s0005_longest_palindromic_substring)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Dynamic_Programming, Big_O_Time_O(n)_Space_O(n) | 7 | 97.82

#### Day 15 Dynamic Programming

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0139 |Word Break| [Java](src/main/java/g0101_0200/s0139_word_break) [Kotlin](src/main/kotlin/g0101_0200/s0139_word_break) [TypeScript](src/main/ts/g0101_0200/s0139_word_break) [Scala](src/main/scala/g0101_0200/s0139_word_break) [Ruby](src/main/ruby/g0101_0200/s0139_word_break) [PHP](src/main/php/g0101_0200/s0139_word_break) [C#](src/main/csharp/g0101_0200/s0139_word_break) [Go](src/main/go/g0101_0200/s0139_word_break) [Cpp](src/main/cpp/g0101_0200/s0139_word_break) [Python](src/main/python/g0101_0200/s0139_word_break) [Swift](src/main/swift/g0101_0200/s0139_word_break) [Elixir](src/main/elixir/g0101_0200/s0139_word_break) [Rust](src/main/rust/g0101_0200/s0139_word_break) [Dart](src/main/dart/g0101_0200/s0139_word_break) [C](src/main/c/g0101_0200/s0139_word_break)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Dynamic_Programming, Trie, Memoization, Big_O_Time_O(M+max\*N)_Space_O(M+N+max) | 1 | 99.42

#### Day 16 Dynamic Programming

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0300 |Longest Increasing Subsequence| [Java](src/main/java/g0201_0300/s0300_longest_increasing_subsequence) [Kotlin](src/main/kotlin/g0201_0300/s0300_longest_increasing_subsequence) [TypeScript](src/main/ts/g0201_0300/s0300_longest_increasing_subsequence) [Scala](src/main/scala/g0201_0300/s0300_longest_increasing_subsequence) [Ruby](src/main/ruby/g0201_0300/s0300_longest_increasing_subsequence) [PHP](src/main/php/g0201_0300/s0300_longest_increasing_subsequence) [C#](src/main/csharp/g0201_0300/s0300_longest_increasing_subsequence) [Go](src/main/go/g0201_0300/s0300_longest_increasing_subsequence) [Cpp](src/main/cpp/g0201_0300/s0300_longest_increasing_subsequence) [Python](src/main/python/g0201_0300/s0300_longest_increasing_subsequence) [Swift](src/main/swift/g0201_0300/s0300_longest_increasing_subsequence) [Elixir](src/main/elixir/g0201_0300/s0300_longest_increasing_subsequence) [Rust](src/main/rust/g0201_0300/s0300_longest_increasing_subsequence) [Dart](src/main/dart/g0201_0300/s0300_longest_increasing_subsequence) [C](src/main/c/g0201_0300/s0300_longest_increasing_subsequence)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Binary_Search, Big_O_Time_O(n\*log_n)_Space_O(n) | 3 | 95.75

#### Day 17 Dynamic Programming

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 1143 |Longest Common Subsequence| [Java](src/main/java/g1101_1200/s1143_longest_common_subsequence) [Kotlin](src/main/kotlin/g1101_1200/s1143_longest_common_subsequence) [TypeScript](src/main/ts/g1101_1200/s1143_longest_common_subsequence) [Scala](src/main/scala/g1101_1200/s1143_longest_common_subsequence) [Ruby](src/main/ruby/g1101_1200/s1143_longest_common_subsequence) [PHP](src/main/php/g1101_1200/s1143_longest_common_subsequence) [C#](src/main/csharp/g1101_1200/s1143_longest_common_subsequence) [Go](src/main/go/g1101_1200/s1143_longest_common_subsequence) [Cpp](src/main/cpp/g1101_1200/s1143_longest_common_subsequence) [Python](src/main/python/g1101_1200/s1143_longest_common_subsequence) [Swift](src/main/swift/g1101_1200/s1143_longest_common_subsequence) [Elixir](src/main/elixir/g1101_1200/s1143_longest_common_subsequence) [Rust](src/main/rust/g1101_1200/s1143_longest_common_subsequence) [Dart](src/main/dart/g1101_1200/s1143_longest_common_subsequence) [C](src/main/c/g1101_1200/s1143_longest_common_subsequence)| Medium | Top_100_Liked_Questions, String, Dynamic_Programming, Big_O_Time_O(n\*m)_Space_O(n\*m) | 19 | 89.05

#### Day 18 Dynamic Programming

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0072 |Edit Distance| [Java](src/main/java/g0001_0100/s0072_edit_distance) [Kotlin](src/main/kotlin/g0001_0100/s0072_edit_distance) [TypeScript](src/main/ts/g0001_0100/s0072_edit_distance) [Scala](src/main/scala/g0001_0100/s0072_edit_distance) [Ruby](src/main/ruby/g0001_0100/s0072_edit_distance) [PHP](src/main/php/g0001_0100/s0072_edit_distance) [C#](src/main/csharp/g0001_0100/s0072_edit_distance) [Go](src/main/go/g0001_0100/s0072_edit_distance) [Cpp](src/main/cpp/g0001_0100/s0072_edit_distance) [Python](src/main/python/g0001_0100/s0072_edit_distance) [Swift](src/main/swift/g0001_0100/s0072_edit_distance) [Elixir](src/main/elixir/g0001_0100/s0072_edit_distance) [Rust](src/main/rust/g0001_0100/s0072_edit_distance) [Dart](src/main/dart/g0001_0100/s0072_edit_distance) [C](src/main/c/g0001_0100/s0072_edit_distance)| Medium | Top_100_Liked_Questions, String, Dynamic_Programming, Big_O_Time_O(n^2)_Space_O(n2) | 3 | 97.19

| 0322 |Coin Change| [Java](src/main/java/g0301_0400/s0322_coin_change) [Kotlin](src/main/kotlin/g0301_0400/s0322_coin_change) [TypeScript](src/main/ts/g0301_0400/s0322_coin_change) [Scala](src/main/scala/g0301_0400/s0322_coin_change) [Ruby](src/main/ruby/g0301_0400/s0322_coin_change) [PHP](src/main/php/g0301_0400/s0322_coin_change) [C#](src/main/csharp/g0301_0400/s0322_coin_change) [Go](src/main/go/g0301_0400/s0322_coin_change) [Cpp](src/main/cpp/g0301_0400/s0322_coin_change) [Python](src/main/python/g0301_0400/s0322_coin_change) [Swift](src/main/swift/g0301_0400/s0322_coin_change) [Elixir](src/main/elixir/g0301_0400/s0322_coin_change) [Rust](src/main/rust/g0301_0400/s0322_coin_change) [Dart](src/main/dart/g0301_0400/s0322_coin_change) [C](src/main/c/g0301_0400/s0322_coin_change)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Breadth_First_Search, Big_O_Time_O(m\*n)_Space_O(amount) | 12 | 92.59

#### Day 19 Bit Manipulation

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 20 Others

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 21 Others

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

### Binary Search I

#### Day 1

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 2

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0035 |Search Insert Position| [Java](src/main/java/g0001_0100/s0035_search_insert_position) [Kotlin](src/main/kotlin/g0001_0100/s0035_search_insert_position) [TypeScript](src/main/ts/g0001_0100/s0035_search_insert_position) [Scala](src/main/scala/g0001_0100/s0035_search_insert_position) [Ruby](src/main/ruby/g0001_0100/s0035_search_insert_position) [PHP](src/main/php/g0001_0100/s0035_search_insert_position) [C#](src/main/csharp/g0001_0100/s0035_search_insert_position) [Go](src/main/go/g0001_0100/s0035_search_insert_position) [Cpp](src/main/cpp/g0001_0100/s0035_search_insert_position) [Python](src/main/python/g0001_0100/s0035_search_insert_position) [Swift](src/main/swift/g0001_0100/s0035_search_insert_position) [Elixir](src/main/elixir/g0001_0100/s0035_search_insert_position) [Rust](src/main/rust/g0001_0100/s0035_search_insert_position) [Dart](src/main/dart/g0001_0100/s0035_search_insert_position) [C](src/main/c/g0001_0100/s0035_search_insert_position)| Easy | Top_100_Liked_Questions, Array, Binary_Search, Big_O_Time_O(log_n)_Space_O(1) | 0 | 100.00

#### Day 3

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 4

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 5

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0034 |Find First and Last Position of Element in Sorted Array| [Java](src/main/java/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Kotlin](src/main/kotlin/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [TypeScript](src/main/ts/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Scala](src/main/scala/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Ruby](src/main/ruby/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [PHP](src/main/php/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [C#](src/main/csharp/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Go](src/main/go/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Cpp](src/main/cpp/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Python](src/main/python/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Swift](src/main/swift/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Elixir](src/main/elixir/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Rust](src/main/rust/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Dart](src/main/dart/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [C](src/main/c/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Binary_Search, Big_O_Time_O(log_n)_Space_O(1) | 0 | 100.00

#### Day 6

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 7

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 8

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0074 |Search a 2D Matrix| [Java](src/main/java/g0001_0100/s0074_search_a_2d_matrix) [Kotlin](src/main/kotlin/g0001_0100/s0074_search_a_2d_matrix) [TypeScript](src/main/ts/g0001_0100/s0074_search_a_2d_matrix) [Scala](src/main/scala/g0001_0100/s0074_search_a_2d_matrix) [Ruby](src/main/ruby/g0001_0100/s0074_search_a_2d_matrix) [PHP](src/main/php/g0001_0100/s0074_search_a_2d_matrix) [C#](src/main/csharp/g0001_0100/s0074_search_a_2d_matrix) [Go](src/main/go/g0001_0100/s0074_search_a_2d_matrix) [Cpp](src/main/cpp/g0001_0100/s0074_search_a_2d_matrix) [Python](src/main/python/g0001_0100/s0074_search_a_2d_matrix) [Swift](src/main/swift/g0001_0100/s0074_search_a_2d_matrix) [Elixir](src/main/elixir/g0001_0100/s0074_search_a_2d_matrix) [Rust](src/main/rust/g0001_0100/s0074_search_a_2d_matrix) [Dart](src/main/dart/g0001_0100/s0074_search_a_2d_matrix) [C](src/main/c/g0001_0100/s0074_search_a_2d_matrix)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Matrix, Big_O_Time_O(endRow+endCol)_Space_O(1) | 0 | 100.00

#### Day 9

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 10

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 11

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0033 |Search in Rotated Sorted Array| [Java](src/main/java/g0001_0100/s0033_search_in_rotated_sorted_array) [Kotlin](src/main/kotlin/g0001_0100/s0033_search_in_rotated_sorted_array) [TypeScript](src/main/ts/g0001_0100/s0033_search_in_rotated_sorted_array) [Scala](src/main/scala/g0001_0100/s0033_search_in_rotated_sorted_array) [Ruby](src/main/ruby/g0001_0100/s0033_search_in_rotated_sorted_array) [PHP](src/main/php/g0001_0100/s0033_search_in_rotated_sorted_array) [C#](src/main/csharp/g0001_0100/s0033_search_in_rotated_sorted_array) [Go](src/main/go/g0001_0100/s0033_search_in_rotated_sorted_array) [Cpp](src/main/cpp/g0001_0100/s0033_search_in_rotated_sorted_array) [Python](src/main/python/g0001_0100/s0033_search_in_rotated_sorted_array) [Swift](src/main/swift/g0001_0100/s0033_search_in_rotated_sorted_array) [Elixir](src/main/elixir/g0001_0100/s0033_search_in_rotated_sorted_array) [Rust](src/main/rust/g0001_0100/s0033_search_in_rotated_sorted_array) [Dart](src/main/dart/g0001_0100/s0033_search_in_rotated_sorted_array) [C](src/main/c/g0001_0100/s0033_search_in_rotated_sorted_array)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Binary_Search, Big_O_Time_O(log_n)_Space_O(1) | 0 | 100.00

#### Day 12

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0153 |Find Minimum in Rotated Sorted Array| [Java](src/main/java/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Kotlin](src/main/kotlin/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [TypeScript](src/main/ts/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Scala](src/main/scala/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Ruby](src/main/ruby/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [PHP](src/main/php/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [C#](src/main/csharp/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Go](src/main/go/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Cpp](src/main/cpp/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Python](src/main/python/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Swift](src/main/swift/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Elixir](src/main/elixir/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Rust](src/main/rust/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Dart](src/main/dart/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [C](src/main/c/g0101_0200/s0153_find_minimum_in_rotated_sorted_array)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Big_O_Time_O(log_N)_Space_O(log_N) | 0 | 100.00

### Binary Search II

#### Day 1

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 2

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 3

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0300 |Longest Increasing Subsequence| [Java](src/main/java/g0201_0300/s0300_longest_increasing_subsequence) [Kotlin](src/main/kotlin/g0201_0300/s0300_longest_increasing_subsequence) [TypeScript](src/main/ts/g0201_0300/s0300_longest_increasing_subsequence) [Scala](src/main/scala/g0201_0300/s0300_longest_increasing_subsequence) [Ruby](src/main/ruby/g0201_0300/s0300_longest_increasing_subsequence) [PHP](src/main/php/g0201_0300/s0300_longest_increasing_subsequence) [C#](src/main/csharp/g0201_0300/s0300_longest_increasing_subsequence) [Go](src/main/go/g0201_0300/s0300_longest_increasing_subsequence) [Cpp](src/main/cpp/g0201_0300/s0300_longest_increasing_subsequence) [Python](src/main/python/g0201_0300/s0300_longest_increasing_subsequence) [Swift](src/main/swift/g0201_0300/s0300_longest_increasing_subsequence) [Elixir](src/main/elixir/g0201_0300/s0300_longest_increasing_subsequence) [Rust](src/main/rust/g0201_0300/s0300_longest_increasing_subsequence) [Dart](src/main/dart/g0201_0300/s0300_longest_increasing_subsequence) [C](src/main/c/g0201_0300/s0300_longest_increasing_subsequence)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Binary_Search, Big_O_Time_O(n\*log_n)_Space_O(n) | 3 | 95.75

#### Day 4

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 5

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0287 |Find the Duplicate Number| [Java](src/main/java/g0201_0300/s0287_find_the_duplicate_number) [Kotlin](src/main/kotlin/g0201_0300/s0287_find_the_duplicate_number) [TypeScript](src/main/ts/g0201_0300/s0287_find_the_duplicate_number) [Scala](src/main/scala/g0201_0300/s0287_find_the_duplicate_number) [Ruby](src/main/ruby/g0201_0300/s0287_find_the_duplicate_number) [PHP](src/main/php/g0201_0300/s0287_find_the_duplicate_number) [C#](src/main/csharp/g0201_0300/s0287_find_the_duplicate_number) [Go](src/main/go/g0201_0300/s0287_find_the_duplicate_number) [Cpp](src/main/cpp/g0201_0300/s0287_find_the_duplicate_number) [Python](src/main/python/g0201_0300/s0287_find_the_duplicate_number) [Swift](src/main/swift/g0201_0300/s0287_find_the_duplicate_number) [Elixir](src/main/elixir/g0201_0300/s0287_find_the_duplicate_number) [Rust](src/main/rust/g0201_0300/s0287_find_the_duplicate_number) [Dart](src/main/dart/g0201_0300/s0287_find_the_duplicate_number) [C](src/main/c/g0201_0300/s0287_find_the_duplicate_number)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Two_Pointers, Bit_Manipulation, Big_O_Time_O(n)_Space_O(n) | 2 | 97.52

#### Day 6

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 7

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 8

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0240 |Search a 2D Matrix II| [Java](src/main/java/g0201_0300/s0240_search_a_2d_matrix_ii) [Kotlin](src/main/kotlin/g0201_0300/s0240_search_a_2d_matrix_ii) [TypeScript](src/main/ts/g0201_0300/s0240_search_a_2d_matrix_ii) [Scala](src/main/scala/g0201_0300/s0240_search_a_2d_matrix_ii) [Ruby](src/main/ruby/g0201_0300/s0240_search_a_2d_matrix_ii) [PHP](src/main/php/g0201_0300/s0240_search_a_2d_matrix_ii) [C#](src/main/csharp/g0201_0300/s0240_search_a_2d_matrix_ii) [Go](src/main/go/g0201_0300/s0240_search_a_2d_matrix_ii) [Cpp](src/main/cpp/g0201_0300/s0240_search_a_2d_matrix_ii) [Python](src/main/python/g0201_0300/s0240_search_a_2d_matrix_ii) [Swift](src/main/swift/g0201_0300/s0240_search_a_2d_matrix_ii) [Elixir](src/main/elixir/g0201_0300/s0240_search_a_2d_matrix_ii) [Rust](src/main/rust/g0201_0300/s0240_search_a_2d_matrix_ii) [Dart](src/main/dart/g0201_0300/s0240_search_a_2d_matrix_ii) [C](src/main/c/g0201_0300/s0240_search_a_2d_matrix_ii)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Matrix, Divide_and_Conquer, Big_O_Time_O(n+m)_Space_O(1) | 5 | 99.92

#### Day 9

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 10

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 11

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 12

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 13

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 14

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 15

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 16

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 17

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 18

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 19

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 20

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

### Dynamic Programming I

#### Day 1

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 2

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0070 |Climbing Stairs| [Java](src/main/java/g0001_0100/s0070_climbing_stairs) [Kotlin](src/main/kotlin/g0001_0100/s0070_climbing_stairs) [TypeScript](src/main/ts/g0001_0100/s0070_climbing_stairs) [Scala](src/main/scala/g0001_0100/s0070_climbing_stairs) [Ruby](src/main/ruby/g0001_0100/s0070_climbing_stairs) [PHP](src/main/php/g0001_0100/s0070_climbing_stairs) [C#](src/main/csharp/g0001_0100/s0070_climbing_stairs) [Go](src/main/go/g0001_0100/s0070_climbing_stairs) [Cpp](src/main/cpp/g0001_0100/s0070_climbing_stairs) [Python](src/main/python/g0001_0100/s0070_climbing_stairs) [Swift](src/main/swift/g0001_0100/s0070_climbing_stairs) [Elixir](src/main/elixir/g0001_0100/s0070_climbing_stairs) [Rust](src/main/rust/g0001_0100/s0070_climbing_stairs) [Dart](src/main/dart/g0001_0100/s0070_climbing_stairs) [C](src/main/c/g0001_0100/s0070_climbing_stairs)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Dynamic_Programming, Math, Memoization, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

#### Day 3

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0198 |House Robber| [Java](src/main/java/g0101_0200/s0198_house_robber) [Kotlin](src/main/kotlin/g0101_0200/s0198_house_robber) [TypeScript](src/main/ts/g0101_0200/s0198_house_robber) [Scala](src/main/scala/g0101_0200/s0198_house_robber) [Ruby](src/main/ruby/g0101_0200/s0198_house_robber) [PHP](src/main/php/g0101_0200/s0198_house_robber) [C#](src/main/csharp/g0101_0200/s0198_house_robber) [Go](src/main/go/g0101_0200/s0198_house_robber) [Cpp](src/main/cpp/g0101_0200/s0198_house_robber) [Python](src/main/python/g0101_0200/s0198_house_robber) [Swift](src/main/swift/g0101_0200/s0198_house_robber) [Elixir](src/main/elixir/g0101_0200/s0198_house_robber) [Rust](src/main/rust/g0101_0200/s0198_house_robber) [Dart](src/main/dart/g0101_0200/s0198_house_robber) [C](src/main/c/g0101_0200/s0198_house_robber)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

#### Day 4

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0055 |Jump Game| [Java](src/main/java/g0001_0100/s0055_jump_game) [Kotlin](src/main/kotlin/g0001_0100/s0055_jump_game) [TypeScript](src/main/ts/g0001_0100/s0055_jump_game) [Scala](src/main/scala/g0001_0100/s0055_jump_game) [Ruby](src/main/ruby/g0001_0100/s0055_jump_game) [PHP](src/main/php/g0001_0100/s0055_jump_game) [C#](src/main/csharp/g0001_0100/s0055_jump_game) [Go](src/main/go/g0001_0100/s0055_jump_game) [Cpp](src/main/cpp/g0001_0100/s0055_jump_game) [Python](src/main/python/g0001_0100/s0055_jump_game) [Swift](src/main/swift/g0001_0100/s0055_jump_game) [Elixir](src/main/elixir/g0001_0100/s0055_jump_game) [Rust](src/main/rust/g0001_0100/s0055_jump_game) [Dart](src/main/dart/g0001_0100/s0055_jump_game) [C](src/main/c/g0001_0100/s0055_jump_game)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Greedy, Big_O_Time_O(n)_Space_O(1) | 1 | 100.00

| 0045 |Jump Game II| [Java](src/main/java/g0001_0100/s0045_jump_game_ii) [Kotlin](src/main/kotlin/g0001_0100/s0045_jump_game_ii) [TypeScript](src/main/ts/g0001_0100/s0045_jump_game_ii) [Scala](src/main/scala/g0001_0100/s0045_jump_game_ii) [Ruby](src/main/ruby/g0001_0100/s0045_jump_game_ii) [PHP](src/main/php/g0001_0100/s0045_jump_game_ii) [C#](src/main/csharp/g0001_0100/s0045_jump_game_ii) [Go](src/main/go/g0001_0100/s0045_jump_game_ii) [Cpp](src/main/cpp/g0001_0100/s0045_jump_game_ii) [Python](src/main/python/g0001_0100/s0045_jump_game_ii) [Swift](src/main/swift/g0001_0100/s0045_jump_game_ii) [Elixir](src/main/elixir/g0001_0100/s0045_jump_game_ii) [Rust](src/main/rust/g0001_0100/s0045_jump_game_ii) [Dart](src/main/dart/g0001_0100/s0045_jump_game_ii) [C](src/main/c/g0001_0100/s0045_jump_game_ii)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Greedy, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

#### Day 5

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0053 |Maximum Subarray| [Java](src/main/java/g0001_0100/s0053_maximum_subarray) [Kotlin](src/main/kotlin/g0001_0100/s0053_maximum_subarray) [TypeScript](src/main/ts/g0001_0100/s0053_maximum_subarray) [Scala](src/main/scala/g0001_0100/s0053_maximum_subarray) [Ruby](src/main/ruby/g0001_0100/s0053_maximum_subarray) [PHP](src/main/php/g0001_0100/s0053_maximum_subarray) [C#](src/main/csharp/g0001_0100/s0053_maximum_subarray) [Go](src/main/go/g0001_0100/s0053_maximum_subarray) [Cpp](src/main/cpp/g0001_0100/s0053_maximum_subarray) [Python](src/main/python/g0001_0100/s0053_maximum_subarray) [Swift](src/main/swift/g0001_0100/s0053_maximum_subarray) [Elixir](src/main/elixir/g0001_0100/s0053_maximum_subarray) [Rust](src/main/rust/g0001_0100/s0053_maximum_subarray) [Dart](src/main/dart/g0001_0100/s0053_maximum_subarray) [C](src/main/c/g0001_0100/s0053_maximum_subarray)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Divide_and_Conquer, Big_O_Time_O(n)_Space_O(1) | 1 | 99.32

#### Day 6

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0152 |Maximum Product Subarray| [Java](src/main/java/g0101_0200/s0152_maximum_product_subarray) [Kotlin](src/main/kotlin/g0101_0200/s0152_maximum_product_subarray) [TypeScript](src/main/ts/g0101_0200/s0152_maximum_product_subarray) [Scala](src/main/scala/g0101_0200/s0152_maximum_product_subarray) [Ruby](src/main/ruby/g0101_0200/s0152_maximum_product_subarray) [PHP](src/main/php/g0101_0200/s0152_maximum_product_subarray) [C#](src/main/csharp/g0101_0200/s0152_maximum_product_subarray) [Go](src/main/go/g0101_0200/s0152_maximum_product_subarray) [Cpp](src/main/cpp/g0101_0200/s0152_maximum_product_subarray) [Python](src/main/python/g0101_0200/s0152_maximum_product_subarray) [Swift](src/main/swift/g0101_0200/s0152_maximum_product_subarray) [Elixir](src/main/elixir/g0101_0200/s0152_maximum_product_subarray) [Rust](src/main/rust/g0101_0200/s0152_maximum_product_subarray) [Dart](src/main/dart/g0101_0200/s0152_maximum_product_subarray) [C](src/main/c/g0101_0200/s0152_maximum_product_subarray)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Big_O_Time_O(N)_Space_O(1) | 1 | 92.74

#### Day 7

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0121 |Best Time to Buy and Sell Stock| [Java](src/main/java/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Kotlin](src/main/kotlin/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [TypeScript](src/main/ts/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Scala](src/main/scala/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Ruby](src/main/ruby/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [PHP](src/main/php/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [C#](src/main/csharp/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Go](src/main/go/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Cpp](src/main/cpp/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Python](src/main/python/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Swift](src/main/swift/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Elixir](src/main/elixir/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Rust](src/main/rust/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Dart](src/main/dart/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [C](src/main/c/g0101_0200/s0121_best_time_to_buy_and_sell_stock)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Big_O_Time_O(N)_Space_O(1) | 1 | 99.78

#### Day 8

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 9

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0139 |Word Break| [Java](src/main/java/g0101_0200/s0139_word_break) [Kotlin](src/main/kotlin/g0101_0200/s0139_word_break) [TypeScript](src/main/ts/g0101_0200/s0139_word_break) [Scala](src/main/scala/g0101_0200/s0139_word_break) [Ruby](src/main/ruby/g0101_0200/s0139_word_break) [PHP](src/main/php/g0101_0200/s0139_word_break) [C#](src/main/csharp/g0101_0200/s0139_word_break) [Go](src/main/go/g0101_0200/s0139_word_break) [Cpp](src/main/cpp/g0101_0200/s0139_word_break) [Python](src/main/python/g0101_0200/s0139_word_break) [Swift](src/main/swift/g0101_0200/s0139_word_break) [Elixir](src/main/elixir/g0101_0200/s0139_word_break) [Rust](src/main/rust/g0101_0200/s0139_word_break) [Dart](src/main/dart/g0101_0200/s0139_word_break) [C](src/main/c/g0101_0200/s0139_word_break)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Dynamic_Programming, Trie, Memoization, Big_O_Time_O(M+max\*N)_Space_O(M+N+max) | 1 | 99.42

| 0042 |Trapping Rain Water| [Java](src/main/java/g0001_0100/s0042_trapping_rain_water) [Kotlin](src/main/kotlin/g0001_0100/s0042_trapping_rain_water) [TypeScript](src/main/ts/g0001_0100/s0042_trapping_rain_water) [Scala](src/main/scala/g0001_0100/s0042_trapping_rain_water) [Ruby](src/main/ruby/g0001_0100/s0042_trapping_rain_water) [PHP](src/main/php/g0001_0100/s0042_trapping_rain_water) [C#](src/main/csharp/g0001_0100/s0042_trapping_rain_water) [Go](src/main/go/g0001_0100/s0042_trapping_rain_water) [Cpp](src/main/cpp/g0001_0100/s0042_trapping_rain_water) [Python](src/main/python/g0001_0100/s0042_trapping_rain_water) [Swift](src/main/swift/g0001_0100/s0042_trapping_rain_water) [Elixir](src/main/elixir/g0001_0100/s0042_trapping_rain_water) [Rust](src/main/rust/g0001_0100/s0042_trapping_rain_water) [Dart](src/main/dart/g0001_0100/s0042_trapping_rain_water) [C](src/main/c/g0001_0100/s0042_trapping_rain_water)| Hard | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Two_Pointers, Stack, Monotonic_Stack, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

#### Day 10

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 11

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0096 |Unique Binary Search Trees| [Java](src/main/java/g0001_0100/s0096_unique_binary_search_trees) [Kotlin](src/main/kotlin/g0001_0100/s0096_unique_binary_search_trees) [TypeScript](src/main/ts/g0001_0100/s0096_unique_binary_search_trees) [Scala](src/main/scala/g0001_0100/s0096_unique_binary_search_trees) [Ruby](src/main/ruby/g0001_0100/s0096_unique_binary_search_trees) [PHP](src/main/php/g0001_0100/s0096_unique_binary_search_trees) [C#](src/main/csharp/g0001_0100/s0096_unique_binary_search_trees) [Go](src/main/go/g0001_0100/s0096_unique_binary_search_trees) [Cpp](src/main/cpp/g0001_0100/s0096_unique_binary_search_trees) [Python](src/main/python/g0001_0100/s0096_unique_binary_search_trees) [Swift](src/main/swift/g0001_0100/s0096_unique_binary_search_trees) [Elixir](src/main/elixir/g0001_0100/s0096_unique_binary_search_trees) [Rust](src/main/rust/g0001_0100/s0096_unique_binary_search_trees) [Dart](src/main/dart/g0001_0100/s0096_unique_binary_search_trees) [C](src/main/c/g0001_0100/s0096_unique_binary_search_trees)| Medium | Dynamic_Programming, Math, Tree, Binary_Tree, Binary_Search_Tree, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

#### Day 12

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 13

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 14

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 15

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0062 |Unique Paths| [Java](src/main/java/g0001_0100/s0062_unique_paths) [Kotlin](src/main/kotlin/g0001_0100/s0062_unique_paths) [TypeScript](src/main/ts/g0001_0100/s0062_unique_paths) [Scala](src/main/scala/g0001_0100/s0062_unique_paths) [Ruby](src/main/ruby/g0001_0100/s0062_unique_paths) [PHP](src/main/php/g0001_0100/s0062_unique_paths) [C#](src/main/csharp/g0001_0100/s0062_unique_paths) [Go](src/main/go/g0001_0100/s0062_unique_paths) [Cpp](src/main/cpp/g0001_0100/s0062_unique_paths) [Python](src/main/python/g0001_0100/s0062_unique_paths) [Swift](src/main/swift/g0001_0100/s0062_unique_paths) [Elixir](src/main/elixir/g0001_0100/s0062_unique_paths) [Rust](src/main/rust/g0001_0100/s0062_unique_paths) [Dart](src/main/dart/g0001_0100/s0062_unique_paths) [C](src/main/c/g0001_0100/s0062_unique_paths)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Dynamic_Programming, Math, Combinatorics, Big_O_Time_O(m\*n)_Space_O(m\*n) | 0 | 100.00

#### Day 16

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0064 |Minimum Path Sum| [Java](src/main/java/g0001_0100/s0064_minimum_path_sum) [Kotlin](src/main/kotlin/g0001_0100/s0064_minimum_path_sum) [TypeScript](src/main/ts/g0001_0100/s0064_minimum_path_sum) [Scala](src/main/scala/g0001_0100/s0064_minimum_path_sum) [Ruby](src/main/ruby/g0001_0100/s0064_minimum_path_sum) [PHP](src/main/php/g0001_0100/s0064_minimum_path_sum) [C#](src/main/csharp/g0001_0100/s0064_minimum_path_sum) [Go](src/main/go/g0001_0100/s0064_minimum_path_sum) [Cpp](src/main/cpp/g0001_0100/s0064_minimum_path_sum) [Python](src/main/python/g0001_0100/s0064_minimum_path_sum) [Swift](src/main/swift/g0001_0100/s0064_minimum_path_sum) [Elixir](src/main/elixir/g0001_0100/s0064_minimum_path_sum) [Rust](src/main/rust/g0001_0100/s0064_minimum_path_sum) [Dart](src/main/dart/g0001_0100/s0064_minimum_path_sum) [C](src/main/c/g0001_0100/s0064_minimum_path_sum)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Matrix, Big_O_Time_O(m\*n)_Space_O(m\*n) | 1 | 99.73

| 0221 |Maximal Square| [Java](src/main/java/g0201_0300/s0221_maximal_square) [Kotlin](src/main/kotlin/g0201_0300/s0221_maximal_square) [TypeScript](src/main/ts/g0201_0300/s0221_maximal_square) [Scala](src/main/scala/g0201_0300/s0221_maximal_square) [Ruby](src/main/ruby/g0201_0300/s0221_maximal_square) [PHP](src/main/php/g0201_0300/s0221_maximal_square) [C#](src/main/csharp/g0201_0300/s0221_maximal_square) [Go](src/main/go/g0201_0300/s0221_maximal_square) [Cpp](src/main/cpp/g0201_0300/s0221_maximal_square) [Python](src/main/python/g0201_0300/s0221_maximal_square) [Swift](src/main/swift/g0201_0300/s0221_maximal_square) [Elixir](src/main/elixir/g0201_0300/s0221_maximal_square) [Rust](src/main/rust/g0201_0300/s0221_maximal_square) [Dart](src/main/dart/g0201_0300/s0221_maximal_square) [C](src/main/c/g0201_0300/s0221_maximal_square)| Medium | Array, Dynamic_Programming, Matrix, Big_O_Time_O(m\*n)_Space_O(m\*n) | 6 | 97.07

#### Day 17

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0005 |Longest Palindromic Substring| [Java](src/main/java/g0001_0100/s0005_longest_palindromic_substring) [Kotlin](src/main/kotlin/g0001_0100/s0005_longest_palindromic_substring) [TypeScript](src/main/ts/g0001_0100/s0005_longest_palindromic_substring) [Scala](src/main/scala/g0001_0100/s0005_longest_palindromic_substring) [Ruby](src/main/ruby/g0001_0100/s0005_longest_palindromic_substring) [PHP](src/main/php/g0001_0100/s0005_longest_palindromic_substring) [C#](src/main/csharp/g0001_0100/s0005_longest_palindromic_substring) [Go](src/main/go/g0001_0100/s0005_longest_palindromic_substring) [Cpp](src/main/cpp/g0001_0100/s0005_longest_palindromic_substring) [Python](src/main/python/g0001_0100/s0005_longest_palindromic_substring) [Swift](src/main/swift/g0001_0100/s0005_longest_palindromic_substring) [Elixir](src/main/elixir/g0001_0100/s0005_longest_palindromic_substring) [Rust](src/main/rust/g0001_0100/s0005_longest_palindromic_substring) [Dart](src/main/dart/g0001_0100/s0005_longest_palindromic_substring) [C](src/main/c/g0001_0100/s0005_longest_palindromic_substring)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Dynamic_Programming, Big_O_Time_O(n)_Space_O(n) | 7 | 97.82

#### Day 18

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0300 |Longest Increasing Subsequence| [Java](src/main/java/g0201_0300/s0300_longest_increasing_subsequence) [Kotlin](src/main/kotlin/g0201_0300/s0300_longest_increasing_subsequence) [TypeScript](src/main/ts/g0201_0300/s0300_longest_increasing_subsequence) [Scala](src/main/scala/g0201_0300/s0300_longest_increasing_subsequence) [Ruby](src/main/ruby/g0201_0300/s0300_longest_increasing_subsequence) [PHP](src/main/php/g0201_0300/s0300_longest_increasing_subsequence) [C#](src/main/csharp/g0201_0300/s0300_longest_increasing_subsequence) [Go](src/main/go/g0201_0300/s0300_longest_increasing_subsequence) [Cpp](src/main/cpp/g0201_0300/s0300_longest_increasing_subsequence) [Python](src/main/python/g0201_0300/s0300_longest_increasing_subsequence) [Swift](src/main/swift/g0201_0300/s0300_longest_increasing_subsequence) [Elixir](src/main/elixir/g0201_0300/s0300_longest_increasing_subsequence) [Rust](src/main/rust/g0201_0300/s0300_longest_increasing_subsequence) [Dart](src/main/dart/g0201_0300/s0300_longest_increasing_subsequence) [C](src/main/c/g0201_0300/s0300_longest_increasing_subsequence)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Binary_Search, Big_O_Time_O(n\*log_n)_Space_O(n) | 3 | 95.75

#### Day 19

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 1143 |Longest Common Subsequence| [Java](src/main/java/g1101_1200/s1143_longest_common_subsequence) [Kotlin](src/main/kotlin/g1101_1200/s1143_longest_common_subsequence) [TypeScript](src/main/ts/g1101_1200/s1143_longest_common_subsequence) [Scala](src/main/scala/g1101_1200/s1143_longest_common_subsequence) [Ruby](src/main/ruby/g1101_1200/s1143_longest_common_subsequence) [PHP](src/main/php/g1101_1200/s1143_longest_common_subsequence) [C#](src/main/csharp/g1101_1200/s1143_longest_common_subsequence) [Go](src/main/go/g1101_1200/s1143_longest_common_subsequence) [Cpp](src/main/cpp/g1101_1200/s1143_longest_common_subsequence) [Python](src/main/python/g1101_1200/s1143_longest_common_subsequence) [Swift](src/main/swift/g1101_1200/s1143_longest_common_subsequence) [Elixir](src/main/elixir/g1101_1200/s1143_longest_common_subsequence) [Rust](src/main/rust/g1101_1200/s1143_longest_common_subsequence) [Dart](src/main/dart/g1101_1200/s1143_longest_common_subsequence) [C](src/main/c/g1101_1200/s1143_longest_common_subsequence)| Medium | Top_100_Liked_Questions, String, Dynamic_Programming, Big_O_Time_O(n\*m)_Space_O(n\*m) | 19 | 89.05

| 0072 |Edit Distance| [Java](src/main/java/g0001_0100/s0072_edit_distance) [Kotlin](src/main/kotlin/g0001_0100/s0072_edit_distance) [TypeScript](src/main/ts/g0001_0100/s0072_edit_distance) [Scala](src/main/scala/g0001_0100/s0072_edit_distance) [Ruby](src/main/ruby/g0001_0100/s0072_edit_distance) [PHP](src/main/php/g0001_0100/s0072_edit_distance) [C#](src/main/csharp/g0001_0100/s0072_edit_distance) [Go](src/main/go/g0001_0100/s0072_edit_distance) [Cpp](src/main/cpp/g0001_0100/s0072_edit_distance) [Python](src/main/python/g0001_0100/s0072_edit_distance) [Swift](src/main/swift/g0001_0100/s0072_edit_distance) [Elixir](src/main/elixir/g0001_0100/s0072_edit_distance) [Rust](src/main/rust/g0001_0100/s0072_edit_distance) [Dart](src/main/dart/g0001_0100/s0072_edit_distance) [C](src/main/c/g0001_0100/s0072_edit_distance)| Medium | Top_100_Liked_Questions, String, Dynamic_Programming, Big_O_Time_O(n^2)_Space_O(n2) | 3 | 97.19

#### Day 20

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0322 |Coin Change| [Java](src/main/java/g0301_0400/s0322_coin_change) [Kotlin](src/main/kotlin/g0301_0400/s0322_coin_change) [TypeScript](src/main/ts/g0301_0400/s0322_coin_change) [Scala](src/main/scala/g0301_0400/s0322_coin_change) [Ruby](src/main/ruby/g0301_0400/s0322_coin_change) [PHP](src/main/php/g0301_0400/s0322_coin_change) [C#](src/main/csharp/g0301_0400/s0322_coin_change) [Go](src/main/go/g0301_0400/s0322_coin_change) [Cpp](src/main/cpp/g0301_0400/s0322_coin_change) [Python](src/main/python/g0301_0400/s0322_coin_change) [Swift](src/main/swift/g0301_0400/s0322_coin_change) [Elixir](src/main/elixir/g0301_0400/s0322_coin_change) [Rust](src/main/rust/g0301_0400/s0322_coin_change) [Dart](src/main/dart/g0301_0400/s0322_coin_change) [C](src/main/c/g0301_0400/s0322_coin_change)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Breadth_First_Search, Big_O_Time_O(m\*n)_Space_O(amount) | 12 | 92.59

#### Day 21

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

### Programming Skills I

#### Day 1 Basic Data Type

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 2 Operator

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 3 Conditional Statements

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 4 Loop

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 5 Function

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 6 Array

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0283 |Move Zeroes| [Java](src/main/java/g0201_0300/s0283_move_zeroes) [Kotlin](src/main/kotlin/g0201_0300/s0283_move_zeroes) [TypeScript](src/main/ts/g0201_0300/s0283_move_zeroes) [Scala](src/main/scala/g0201_0300/s0283_move_zeroes) [Ruby](src/main/ruby/g0201_0300/s0283_move_zeroes) [PHP](src/main/php/g0201_0300/s0283_move_zeroes) [C#](src/main/csharp/g0201_0300/s0283_move_zeroes) [Go](src/main/go/g0201_0300/s0283_move_zeroes) [Cpp](src/main/cpp/g0201_0300/s0283_move_zeroes) [Python](src/main/python/g0201_0300/s0283_move_zeroes) [Swift](src/main/swift/g0201_0300/s0283_move_zeroes) [Elixir](src/main/elixir/g0201_0300/s0283_move_zeroes) [Rust](src/main/rust/g0201_0300/s0283_move_zeroes) [Dart](src/main/dart/g0201_0300/s0283_move_zeroes) [C](src/main/c/g0201_0300/s0283_move_zeroes)| Easy | Top_100_Liked_Questions, Array, Two_Pointers, Big_O_Time_O(n)_Space_O(1) | 2 | 83.99

#### Day 7 Array

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 8 String

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 9 String

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 10 Linked List and Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0104 |Maximum Depth of Binary Tree| [Java](src/main/java/g0101_0200/s0104_maximum_depth_of_binary_tree) [Kotlin](src/main/kotlin/g0101_0200/s0104_maximum_depth_of_binary_tree) [TypeScript](src/main/ts/g0101_0200/s0104_maximum_depth_of_binary_tree) [Scala](src/main/scala/g0101_0200/s0104_maximum_depth_of_binary_tree) [Ruby](src/main/ruby/g0101_0200/s0104_maximum_depth_of_binary_tree) [PHP](src/main/php/g0101_0200/s0104_maximum_depth_of_binary_tree) [C#](src/main/csharp/g0101_0200/s0104_maximum_depth_of_binary_tree) [Go](src/main/go/g0101_0200/s0104_maximum_depth_of_binary_tree) [Cpp](src/main/cpp/g0101_0200/s0104_maximum_depth_of_binary_tree) [Python](src/main/python/g0101_0200/s0104_maximum_depth_of_binary_tree) [Swift](src/main/swift/g0101_0200/s0104_maximum_depth_of_binary_tree) [Elixir](src/main/elixir/g0101_0200/s0104_maximum_depth_of_binary_tree) [Rust](src/main/rust/g0101_0200/s0104_maximum_depth_of_binary_tree) [Dart](src/main/dart/g0101_0200/s0104_maximum_depth_of_binary_tree) [C](src/main/c/g0101_0200/s0104_maximum_depth_of_binary_tree)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Big_O_Time_O(N)_Space_O(H) | 0 | 100.00

#### Day 11 Containers and Libraries

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 12 Class and Object

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

### Programming Skills II

#### Day 1

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 2

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 3

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 4

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 5

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 6

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0739 |Daily Temperatures| [Java](src/main/java/g0701_0800/s0739_daily_temperatures) [Kotlin](src/main/kotlin/g0701_0800/s0739_daily_temperatures) [TypeScript](src/main/ts/g0701_0800/s0739_daily_temperatures) [Scala](src/main/scala/g0701_0800/s0739_daily_temperatures) [Ruby](src/main/ruby/g0701_0800/s0739_daily_temperatures) [PHP](src/main/php/g0701_0800/s0739_daily_temperatures) [C#](src/main/csharp/g0701_0800/s0739_daily_temperatures) [Go](src/main/go/g0701_0800/s0739_daily_temperatures) [Cpp](src/main/cpp/g0701_0800/s0739_daily_temperatures) [Python](src/main/python/g0701_0800/s0739_daily_temperatures) [Swift](src/main/swift/g0701_0800/s0739_daily_temperatures) [Elixir](src/main/elixir/g0701_0800/s0739_daily_temperatures) [Rust](src/main/rust/g0701_0800/s0739_daily_temperatures) [Dart](src/main/dart/g0701_0800/s0739_daily_temperatures) [C](src/main/c/g0701_0800/s0739_daily_temperatures)| Medium | Top_100_Liked_Questions, Array, Stack, Monotonic_Stack, Big_O_Time_O(n)_Space_O(n) | 8 | 96.83

#### Day 7

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0048 |Rotate Image| [Java](src/main/java/g0001_0100/s0048_rotate_image) [Kotlin](src/main/kotlin/g0001_0100/s0048_rotate_image) [TypeScript](src/main/ts/g0001_0100/s0048_rotate_image) [Scala](src/main/scala/g0001_0100/s0048_rotate_image) [Ruby](src/main/ruby/g0001_0100/s0048_rotate_image) [PHP](src/main/php/g0001_0100/s0048_rotate_image) [C#](src/main/csharp/g0001_0100/s0048_rotate_image) [Go](src/main/go/g0001_0100/s0048_rotate_image) [Cpp](src/main/cpp/g0001_0100/s0048_rotate_image) [Python](src/main/python/g0001_0100/s0048_rotate_image) [Swift](src/main/swift/g0001_0100/s0048_rotate_image) [Elixir](src/main/elixir/g0001_0100/s0048_rotate_image) [Rust](src/main/rust/g0001_0100/s0048_rotate_image) [Dart](src/main/dart/g0001_0100/s0048_rotate_image) [C](src/main/c/g0001_0100/s0048_rotate_image)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Math, Matrix, Big_O_Time_O(n^2)_Space_O(1) | 0 | 100.00

#### Day 8

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 9

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 10

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 11

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0049 |Group Anagrams| [Java](src/main/java/g0001_0100/s0049_group_anagrams) [Kotlin](src/main/kotlin/g0001_0100/s0049_group_anagrams) [TypeScript](src/main/ts/g0001_0100/s0049_group_anagrams) [Scala](src/main/scala/g0001_0100/s0049_group_anagrams) [Ruby](src/main/ruby/g0001_0100/s0049_group_anagrams) [PHP](src/main/php/g0001_0100/s0049_group_anagrams) [C#](src/main/csharp/g0001_0100/s0049_group_anagrams) [Go](src/main/go/g0001_0100/s0049_group_anagrams) [Cpp](src/main/cpp/g0001_0100/s0049_group_anagrams) [Python](src/main/python/g0001_0100/s0049_group_anagrams) [Swift](src/main/swift/g0001_0100/s0049_group_anagrams) [Elixir](src/main/elixir/g0001_0100/s0049_group_anagrams) [Rust](src/main/rust/g0001_0100/s0049_group_anagrams) [Dart](src/main/dart/g0001_0100/s0049_group_anagrams) [C](src/main/c/g0001_0100/s0049_group_anagrams)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, String, Hash_Table, Sorting, Big_O_Time_O(n\*k_log_k)_Space_O(n) | 6 | 97.61

#### Day 12

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0438 |Find All Anagrams in a String| [Java](src/main/java/g0401_0500/s0438_find_all_anagrams_in_a_string) [Kotlin](src/main/kotlin/g0401_0500/s0438_find_all_anagrams_in_a_string) [TypeScript](src/main/ts/g0401_0500/s0438_find_all_anagrams_in_a_string) [Scala](src/main/scala/g0401_0500/s0438_find_all_anagrams_in_a_string) [Ruby](src/main/ruby/g0401_0500/s0438_find_all_anagrams_in_a_string) [PHP](src/main/php/g0401_0500/s0438_find_all_anagrams_in_a_string) [C#](src/main/csharp/g0401_0500/s0438_find_all_anagrams_in_a_string) [Go](src/main/go/g0401_0500/s0438_find_all_anagrams_in_a_string) [Cpp](src/main/cpp/g0401_0500/s0438_find_all_anagrams_in_a_string) [Python](src/main/python/g0401_0500/s0438_find_all_anagrams_in_a_string) [Swift](src/main/swift/g0401_0500/s0438_find_all_anagrams_in_a_string) [Elixir](src/main/elixir/g0401_0500/s0438_find_all_anagrams_in_a_string) [Rust](src/main/rust/g0401_0500/s0438_find_all_anagrams_in_a_string) [Dart](src/main/dart/g0401_0500/s0438_find_all_anagrams_in_a_string) [C](src/main/c/g0401_0500/s0438_find_all_anagrams_in_a_string)| Medium | Top_100_Liked_Questions, String, Hash_Table, Sliding_Window, Big_O_Time_O(n+m)_Space_O(1) | 3 | 99.83

#### Day 13

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 14

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0138 |Copy List with Random Pointer| [Java](src/main/java/g0101_0200/s0138_copy_list_with_random_pointer) [Kotlin](src/main/kotlin/g0101_0200/s0138_copy_list_with_random_pointer) [TypeScript](src/main/ts/g0101_0200/s0138_copy_list_with_random_pointer) [Scala](src/main/scala/g0101_0200/s0138_copy_list_with_random_pointer) [Ruby](src/main/ruby/g0101_0200/s0138_copy_list_with_random_pointer) [PHP](src/main/php/g0101_0200/s0138_copy_list_with_random_pointer) [C#](src/main/csharp/g0101_0200/s0138_copy_list_with_random_pointer) [Go](src/main/go/g0101_0200/s0138_copy_list_with_random_pointer) [Cpp](src/main/cpp/g0101_0200/s0138_copy_list_with_random_pointer) [Python](src/main/python/g0101_0200/s0138_copy_list_with_random_pointer) [Swift](src/main/swift/g0101_0200/s0138_copy_list_with_random_pointer) [Elixir](src/main/elixir/g0101_0200/s0138_copy_list_with_random_pointer) [Rust](src/main/rust/g0101_0200/s0138_copy_list_with_random_pointer) [Dart](src/main/dart/g0101_0200/s0138_copy_list_with_random_pointer) [C](src/main/c/g0101_0200/s0138_copy_list_with_random_pointer)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Linked_List, Big_O_Time_O(N)_Space_O(N) | 0 | 100.00

#### Day 15

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0002 |Add Two Numbers| [Java](src/main/java/g0001_0100/s0002_add_two_numbers) [Kotlin](src/main/kotlin/g0001_0100/s0002_add_two_numbers) [TypeScript](src/main/ts/g0001_0100/s0002_add_two_numbers) [Scala](src/main/scala/g0001_0100/s0002_add_two_numbers) [Ruby](src/main/ruby/g0001_0100/s0002_add_two_numbers) [PHP](src/main/php/g0001_0100/s0002_add_two_numbers) [C#](src/main/csharp/g0001_0100/s0002_add_two_numbers) [Go](src/main/go/g0001_0100/s0002_add_two_numbers) [Cpp](src/main/cpp/g0001_0100/s0002_add_two_numbers) [Python](src/main/python/g0001_0100/s0002_add_two_numbers) [Swift](src/main/swift/g0001_0100/s0002_add_two_numbers) [Elixir](src/main/elixir/g0001_0100/s0002_add_two_numbers) [Rust](src/main/rust/g0001_0100/s0002_add_two_numbers) [Dart](src/main/dart/g0001_0100/s0002_add_two_numbers) [C](src/main/c/g0001_0100/s0002_add_two_numbers)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Math, Linked_List, Recursion, Big_O_Time_O(max(N,M))_Space_O(max(N,M)), AI_can_be_used_to_solve_the_task | 1 | 100.00

#### Day 16

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 17

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 18

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0155 |Min Stack| [Java](src/main/java/g0101_0200/s0155_min_stack) [Kotlin](src/main/kotlin/g0101_0200/s0155_min_stack) [TypeScript](src/main/ts/g0101_0200/s0155_min_stack) [Scala](src/main/scala/g0101_0200/s0155_min_stack) [Ruby](src/main/ruby/g0101_0200/s0155_min_stack) [PHP](src/main/php/g0101_0200/s0155_min_stack) [C#](src/main/csharp/g0101_0200/s0155_min_stack) [Go](src/main/go/g0101_0200/s0155_min_stack) [Cpp](src/main/cpp/g0101_0200/s0155_min_stack) [Python](src/main/python/g0101_0200/s0155_min_stack) [Swift](src/main/swift/g0101_0200/s0155_min_stack) [Elixir](src/main/elixir/g0101_0200/s0155_min_stack) [Rust](src/main/rust/g0101_0200/s0155_min_stack) [Dart](src/main/dart/g0101_0200/s0155_min_stack) [C](src/main/c/g0101_0200/s0155_min_stack)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Stack, Design, Big_O_Time_O(1)_Space_O(N) | 4 | 96.54

#### Day 19

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 20

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

### Graph Theory I

#### Day 1 Matrix Related Problems

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0200 |Number of Islands| [Java](src/main/java/g0101_0200/s0200_number_of_islands) [Kotlin](src/main/kotlin/g0101_0200/s0200_number_of_islands) [TypeScript](src/main/ts/g0101_0200/s0200_number_of_islands) [Scala](src/main/scala/g0101_0200/s0200_number_of_islands) [Ruby](src/main/ruby/g0101_0200/s0200_number_of_islands) [PHP](src/main/php/g0101_0200/s0200_number_of_islands) [C#](src/main/csharp/g0101_0200/s0200_number_of_islands) [Go](src/main/go/g0101_0200/s0200_number_of_islands) [Cpp](src/main/cpp/g0101_0200/s0200_number_of_islands) [Python](src/main/python/g0101_0200/s0200_number_of_islands) [Swift](src/main/swift/g0101_0200/s0200_number_of_islands) [Elixir](src/main/elixir/g0101_0200/s0200_number_of_islands) [Rust](src/main/rust/g0101_0200/s0200_number_of_islands) [Dart](src/main/dart/g0101_0200/s0200_number_of_islands) [C](src/main/c/g0101_0200/s0200_number_of_islands)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find, Big_O_Time_O(M\*N)_Space_O(M\*N) | 3 | 87.24

#### Day 2 Matrix Related Problems

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 3 Matrix Related Problems

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 4 Matrix Related Problems

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 5 Matrix Related Problems

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 6 Matrix Related Problems

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 7 Standard Traversal

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 8 Standard Traversal

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 9 Standard Traversal

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 10 Standard Traversal

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 11 Breadth First Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 12 Breadth First Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 13 Graph Theory

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 14 Graph Theory

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

### SQL I

#### Day 1 Select

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 2 Select and Order

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 3 String Processing Functions

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 4 Union and Select

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 5 Union

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 6 Union

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 7 Function

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 8 Function

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 9 Control of Flow

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 10 Where

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

### Level 1

#### Day 1 Prefix Sum

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 2 String

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 3 Linked List

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0021 |Merge Two Sorted Lists| [Java](src/main/java/g0001_0100/s0021_merge_two_sorted_lists) [Kotlin](src/main/kotlin/g0001_0100/s0021_merge_two_sorted_lists) [TypeScript](src/main/ts/g0001_0100/s0021_merge_two_sorted_lists) [Scala](src/main/scala/g0001_0100/s0021_merge_two_sorted_lists) [Ruby](src/main/ruby/g0001_0100/s0021_merge_two_sorted_lists) [PHP](src/main/php/g0001_0100/s0021_merge_two_sorted_lists) [C#](src/main/csharp/g0001_0100/s0021_merge_two_sorted_lists) [Go](src/main/go/g0001_0100/s0021_merge_two_sorted_lists) [Cpp](src/main/cpp/g0001_0100/s0021_merge_two_sorted_lists) [Python](src/main/python/g0001_0100/s0021_merge_two_sorted_lists) [Swift](src/main/swift/g0001_0100/s0021_merge_two_sorted_lists) [Elixir](src/main/elixir/g0001_0100/s0021_merge_two_sorted_lists) [Rust](src/main/rust/g0001_0100/s0021_merge_two_sorted_lists) [Dart](src/main/dart/g0001_0100/s0021_merge_two_sorted_lists) [C](src/main/c/g0001_0100/s0021_merge_two_sorted_lists)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Linked_List, Recursion, Big_O_Time_O(m+n)_Space_O(m+n) | 0 | 100.00

| 0206 |Reverse Linked List| [Java](src/main/java/g0201_0300/s0206_reverse_linked_list) [Kotlin](src/main/kotlin/g0201_0300/s0206_reverse_linked_list) [TypeScript](src/main/ts/g0201_0300/s0206_reverse_linked_list) [Scala](src/main/scala/g0201_0300/s0206_reverse_linked_list) [Ruby](src/main/ruby/g0201_0300/s0206_reverse_linked_list) [PHP](src/main/php/g0201_0300/s0206_reverse_linked_list) [C#](src/main/csharp/g0201_0300/s0206_reverse_linked_list) [Go](src/main/go/g0201_0300/s0206_reverse_linked_list) [Cpp](src/main/cpp/g0201_0300/s0206_reverse_linked_list) [Python](src/main/python/g0201_0300/s0206_reverse_linked_list) [Swift](src/main/swift/g0201_0300/s0206_reverse_linked_list) [Elixir](src/main/elixir/g0201_0300/s0206_reverse_linked_list) [Rust](src/main/rust/g0201_0300/s0206_reverse_linked_list) [Dart](src/main/dart/g0201_0300/s0206_reverse_linked_list) [C](src/main/c/g0201_0300/s0206_reverse_linked_list)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Linked_List, Recursion, Big_O_Time_O(N)_Space_O(1) | 0 | 100.00

#### Day 4 Linked List

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0142 |Linked List Cycle II| [Java](src/main/java/g0101_0200/s0142_linked_list_cycle_ii) [Kotlin](src/main/kotlin/g0101_0200/s0142_linked_list_cycle_ii) [TypeScript](src/main/ts/g0101_0200/s0142_linked_list_cycle_ii) [Scala](src/main/scala/g0101_0200/s0142_linked_list_cycle_ii) [Ruby](src/main/ruby/g0101_0200/s0142_linked_list_cycle_ii) [PHP](src/main/php/g0101_0200/s0142_linked_list_cycle_ii) [C#](src/main/csharp/g0101_0200/s0142_linked_list_cycle_ii) [Go](src/main/go/g0101_0200/s0142_linked_list_cycle_ii) [Cpp](src/main/cpp/g0101_0200/s0142_linked_list_cycle_ii) [Python](src/main/python/g0101_0200/s0142_linked_list_cycle_ii) [Swift](src/main/swift/g0101_0200/s0142_linked_list_cycle_ii) [Elixir](src/main/elixir/g0101_0200/s0142_linked_list_cycle_ii) [Rust](src/main/rust/g0101_0200/s0142_linked_list_cycle_ii) [Dart](src/main/dart/g0101_0200/s0142_linked_list_cycle_ii) [C](src/main/c/g0101_0200/s0142_linked_list_cycle_ii)| Medium | Top_100_Liked_Questions, Hash_Table, Two_Pointers, Linked_List, Big_O_Time_O(N)_Space_O(1) | 0 | 100.00

#### Day 5 Greedy

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0121 |Best Time to Buy and Sell Stock| [Java](src/main/java/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Kotlin](src/main/kotlin/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [TypeScript](src/main/ts/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Scala](src/main/scala/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Ruby](src/main/ruby/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [PHP](src/main/php/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [C#](src/main/csharp/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Go](src/main/go/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Cpp](src/main/cpp/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Python](src/main/python/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Swift](src/main/swift/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Elixir](src/main/elixir/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Rust](src/main/rust/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Dart](src/main/dart/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [C](src/main/c/g0101_0200/s0121_best_time_to_buy_and_sell_stock)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Big_O_Time_O(N)_Space_O(1) | 1 | 99.78

#### Day 6 Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0102 |Binary Tree Level Order Traversal| [Java](src/main/java/g0101_0200/s0102_binary_tree_level_order_traversal) [Kotlin](src/main/kotlin/g0101_0200/s0102_binary_tree_level_order_traversal) [TypeScript](src/main/ts/g0101_0200/s0102_binary_tree_level_order_traversal) [Scala](src/main/scala/g0101_0200/s0102_binary_tree_level_order_traversal) [Ruby](src/main/ruby/g0101_0200/s0102_binary_tree_level_order_traversal) [PHP](src/main/php/g0101_0200/s0102_binary_tree_level_order_traversal) [C#](src/main/csharp/g0101_0200/s0102_binary_tree_level_order_traversal) [Go](src/main/go/g0101_0200/s0102_binary_tree_level_order_traversal) [Cpp](src/main/cpp/g0101_0200/s0102_binary_tree_level_order_traversal) [Python](src/main/python/g0101_0200/s0102_binary_tree_level_order_traversal) [Swift](src/main/swift/g0101_0200/s0102_binary_tree_level_order_traversal) [Elixir](src/main/elixir/g0101_0200/s0102_binary_tree_level_order_traversal) [Rust](src/main/rust/g0101_0200/s0102_binary_tree_level_order_traversal) [Dart](src/main/dart/g0101_0200/s0102_binary_tree_level_order_traversal) [C](src/main/c/g0101_0200/s0102_binary_tree_level_order_traversal)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Breadth_First_Search, Tree, Binary_Tree, Big_O_Time_O(N)_Space_O(N) | 1 | 91.19

#### Day 7 Binary Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 8 Binary Search Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0098 |Validate Binary Search Tree| [Java](src/main/java/g0001_0100/s0098_validate_binary_search_tree) [Kotlin](src/main/kotlin/g0001_0100/s0098_validate_binary_search_tree) [TypeScript](src/main/ts/g0001_0100/s0098_validate_binary_search_tree) [Scala](src/main/scala/g0001_0100/s0098_validate_binary_search_tree) [Ruby](src/main/ruby/g0001_0100/s0098_validate_binary_search_tree) [PHP](src/main/php/g0001_0100/s0098_validate_binary_search_tree) [C#](src/main/csharp/g0001_0100/s0098_validate_binary_search_tree) [Go](src/main/go/g0001_0100/s0098_validate_binary_search_tree) [Cpp](src/main/cpp/g0001_0100/s0098_validate_binary_search_tree) [Python](src/main/python/g0001_0100/s0098_validate_binary_search_tree) [Swift](src/main/swift/g0001_0100/s0098_validate_binary_search_tree) [Elixir](src/main/elixir/g0001_0100/s0098_validate_binary_search_tree) [Rust](src/main/rust/g0001_0100/s0098_validate_binary_search_tree) [Dart](src/main/dart/g0001_0100/s0098_validate_binary_search_tree) [C](src/main/c/g0001_0100/s0098_validate_binary_search_tree)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Tree, Binary_Tree, Binary_Search_Tree, Big_O_Time_O(N)_Space_O(log(N)) | 0 | 100.00

#### Day 9 Graph/BFS/DFS

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0200 |Number of Islands| [Java](src/main/java/g0101_0200/s0200_number_of_islands) [Kotlin](src/main/kotlin/g0101_0200/s0200_number_of_islands) [TypeScript](src/main/ts/g0101_0200/s0200_number_of_islands) [Scala](src/main/scala/g0101_0200/s0200_number_of_islands) [Ruby](src/main/ruby/g0101_0200/s0200_number_of_islands) [PHP](src/main/php/g0101_0200/s0200_number_of_islands) [C#](src/main/csharp/g0101_0200/s0200_number_of_islands) [Go](src/main/go/g0101_0200/s0200_number_of_islands) [Cpp](src/main/cpp/g0101_0200/s0200_number_of_islands) [Python](src/main/python/g0101_0200/s0200_number_of_islands) [Swift](src/main/swift/g0101_0200/s0200_number_of_islands) [Elixir](src/main/elixir/g0101_0200/s0200_number_of_islands) [Rust](src/main/rust/g0101_0200/s0200_number_of_islands) [Dart](src/main/dart/g0101_0200/s0200_number_of_islands) [C](src/main/c/g0101_0200/s0200_number_of_islands)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find, Big_O_Time_O(M\*N)_Space_O(M\*N) | 3 | 87.24

#### Day 10 Dynamic Programming

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0070 |Climbing Stairs| [Java](src/main/java/g0001_0100/s0070_climbing_stairs) [Kotlin](src/main/kotlin/g0001_0100/s0070_climbing_stairs) [TypeScript](src/main/ts/g0001_0100/s0070_climbing_stairs) [Scala](src/main/scala/g0001_0100/s0070_climbing_stairs) [Ruby](src/main/ruby/g0001_0100/s0070_climbing_stairs) [PHP](src/main/php/g0001_0100/s0070_climbing_stairs) [C#](src/main/csharp/g0001_0100/s0070_climbing_stairs) [Go](src/main/go/g0001_0100/s0070_climbing_stairs) [Cpp](src/main/cpp/g0001_0100/s0070_climbing_stairs) [Python](src/main/python/g0001_0100/s0070_climbing_stairs) [Swift](src/main/swift/g0001_0100/s0070_climbing_stairs) [Elixir](src/main/elixir/g0001_0100/s0070_climbing_stairs) [Rust](src/main/rust/g0001_0100/s0070_climbing_stairs) [Dart](src/main/dart/g0001_0100/s0070_climbing_stairs) [C](src/main/c/g0001_0100/s0070_climbing_stairs)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Dynamic_Programming, Math, Memoization, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

#### Day 11 Dynamic Programming

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0062 |Unique Paths| [Java](src/main/java/g0001_0100/s0062_unique_paths) [Kotlin](src/main/kotlin/g0001_0100/s0062_unique_paths) [TypeScript](src/main/ts/g0001_0100/s0062_unique_paths) [Scala](src/main/scala/g0001_0100/s0062_unique_paths) [Ruby](src/main/ruby/g0001_0100/s0062_unique_paths) [PHP](src/main/php/g0001_0100/s0062_unique_paths) [C#](src/main/csharp/g0001_0100/s0062_unique_paths) [Go](src/main/go/g0001_0100/s0062_unique_paths) [Cpp](src/main/cpp/g0001_0100/s0062_unique_paths) [Python](src/main/python/g0001_0100/s0062_unique_paths) [Swift](src/main/swift/g0001_0100/s0062_unique_paths) [Elixir](src/main/elixir/g0001_0100/s0062_unique_paths) [Rust](src/main/rust/g0001_0100/s0062_unique_paths) [Dart](src/main/dart/g0001_0100/s0062_unique_paths) [C](src/main/c/g0001_0100/s0062_unique_paths)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Dynamic_Programming, Math, Combinatorics, Big_O_Time_O(m\*n)_Space_O(m\*n) | 0 | 100.00

#### Day 12 Sliding Window/Two Pointer

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0438 |Find All Anagrams in a String| [Java](src/main/java/g0401_0500/s0438_find_all_anagrams_in_a_string) [Kotlin](src/main/kotlin/g0401_0500/s0438_find_all_anagrams_in_a_string) [TypeScript](src/main/ts/g0401_0500/s0438_find_all_anagrams_in_a_string) [Scala](src/main/scala/g0401_0500/s0438_find_all_anagrams_in_a_string) [Ruby](src/main/ruby/g0401_0500/s0438_find_all_anagrams_in_a_string) [PHP](src/main/php/g0401_0500/s0438_find_all_anagrams_in_a_string) [C#](src/main/csharp/g0401_0500/s0438_find_all_anagrams_in_a_string) [Go](src/main/go/g0401_0500/s0438_find_all_anagrams_in_a_string) [Cpp](src/main/cpp/g0401_0500/s0438_find_all_anagrams_in_a_string) [Python](src/main/python/g0401_0500/s0438_find_all_anagrams_in_a_string) [Swift](src/main/swift/g0401_0500/s0438_find_all_anagrams_in_a_string) [Elixir](src/main/elixir/g0401_0500/s0438_find_all_anagrams_in_a_string) [Rust](src/main/rust/g0401_0500/s0438_find_all_anagrams_in_a_string) [Dart](src/main/dart/g0401_0500/s0438_find_all_anagrams_in_a_string) [C](src/main/c/g0401_0500/s0438_find_all_anagrams_in_a_string)| Medium | Top_100_Liked_Questions, String, Hash_Table, Sliding_Window, Big_O_Time_O(n+m)_Space_O(1) | 3 | 99.83

#### Day 13 Hashmap

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0001 |Two Sum| [Java](src/main/java/g0001_0100/s0001_two_sum) [Kotlin](src/main/kotlin/g0001_0100/s0001_two_sum) [TypeScript](src/main/ts/g0001_0100/s0001_two_sum) [Scala](src/main/scala/g0001_0100/s0001_two_sum) [Ruby](src/main/ruby/g0001_0100/s0001_two_sum) [PHP](src/main/php/g0001_0100/s0001_two_sum) [C#](src/main/csharp/g0001_0100/s0001_two_sum) [Go](src/main/go/g0001_0100/s0001_two_sum) [Cpp](src/main/cpp/g0001_0100/s0001_two_sum) [Python](src/main/python/g0001_0100/s0001_two_sum) [Swift](src/main/swift/g0001_0100/s0001_two_sum) [Elixir](src/main/elixir/g0001_0100/s0001_two_sum) [Rust](src/main/rust/g0001_0100/s0001_two_sum) [Dart](src/main/dart/g0001_0100/s0001_two_sum) [C](src/main/c/g0001_0100/s0001_two_sum)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Big_O_Time_O(n)_Space_O(n), AI_can_be_used_to_solve_the_task | 2 | 98.90

#### Day 14 Stack

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0394 |Decode String| [Java](src/main/java/g0301_0400/s0394_decode_string) [Kotlin](src/main/kotlin/g0301_0400/s0394_decode_string) [TypeScript](src/main/ts/g0301_0400/s0394_decode_string) [Scala](src/main/scala/g0301_0400/s0394_decode_string) [Ruby](src/main/ruby/g0301_0400/s0394_decode_string) [PHP](src/main/php/g0301_0400/s0394_decode_string) [C#](src/main/csharp/g0301_0400/s0394_decode_string) [Go](src/main/go/g0301_0400/s0394_decode_string) [Cpp](src/main/cpp/g0301_0400/s0394_decode_string) [Python](src/main/python/g0301_0400/s0394_decode_string) [Swift](src/main/swift/g0301_0400/s0394_decode_string) [Elixir](src/main/elixir/g0301_0400/s0394_decode_string) [Rust](src/main/rust/g0301_0400/s0394_decode_string) [Dart](src/main/dart/g0301_0400/s0394_decode_string) [C](src/main/c/g0301_0400/s0394_decode_string)| Medium | Top_100_Liked_Questions, String, Stack, Recursion, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

#### Day 15 Heap

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

### Level 2

#### Day 1 Implementation/Simulation

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 2 String

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 3 Linked List

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0019 |Remove Nth Node From End of List| [Java](src/main/java/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Kotlin](src/main/kotlin/g0001_0100/s0019_remove_nth_node_from_end_of_list) [TypeScript](src/main/ts/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Scala](src/main/scala/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Ruby](src/main/ruby/g0001_0100/s0019_remove_nth_node_from_end_of_list) [PHP](src/main/php/g0001_0100/s0019_remove_nth_node_from_end_of_list) [C#](src/main/csharp/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Go](src/main/go/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Cpp](src/main/cpp/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Python](src/main/python/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Swift](src/main/swift/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Elixir](src/main/elixir/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Rust](src/main/rust/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Dart](src/main/dart/g0001_0100/s0019_remove_nth_node_from_end_of_list) [C](src/main/c/g0001_0100/s0019_remove_nth_node_from_end_of_list)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Two_Pointers, Linked_List, Big_O_Time_O(L)_Space_O(L) | 0 | 100.00

| 0234 |Palindrome Linked List| [Java](src/main/java/g0201_0300/s0234_palindrome_linked_list) [Kotlin](src/main/kotlin/g0201_0300/s0234_palindrome_linked_list) [TypeScript](src/main/ts/g0201_0300/s0234_palindrome_linked_list) [Scala](src/main/scala/g0201_0300/s0234_palindrome_linked_list) [Ruby](src/main/ruby/g0201_0300/s0234_palindrome_linked_list) [PHP](src/main/php/g0201_0300/s0234_palindrome_linked_list) [C#](src/main/csharp/g0201_0300/s0234_palindrome_linked_list) [Go](src/main/go/g0201_0300/s0234_palindrome_linked_list) [Cpp](src/main/cpp/g0201_0300/s0234_palindrome_linked_list) [Python](src/main/python/g0201_0300/s0234_palindrome_linked_list) [Swift](src/main/swift/g0201_0300/s0234_palindrome_linked_list) [Elixir](src/main/elixir/g0201_0300/s0234_palindrome_linked_list) [Rust](src/main/rust/g0201_0300/s0234_palindrome_linked_list) [Dart](src/main/dart/g0201_0300/s0234_palindrome_linked_list) [C](src/main/c/g0201_0300/s0234_palindrome_linked_list)| Easy | Top_100_Liked_Questions, Two_Pointers, Stack, Linked_List, Recursion, Big_O_Time_O(n)_Space_O(1) | 4 | 84.46

#### Day 4 Linked List

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0148 |Sort List| [Java](src/main/java/g0101_0200/s0148_sort_list) [Kotlin](src/main/kotlin/g0101_0200/s0148_sort_list) [TypeScript](src/main/ts/g0101_0200/s0148_sort_list) [Scala](src/main/scala/g0101_0200/s0148_sort_list) [Ruby](src/main/ruby/g0101_0200/s0148_sort_list) [PHP](src/main/php/g0101_0200/s0148_sort_list) [C#](src/main/csharp/g0101_0200/s0148_sort_list) [Go](src/main/go/g0101_0200/s0148_sort_list) [Cpp](src/main/cpp/g0101_0200/s0148_sort_list) [Python](src/main/python/g0101_0200/s0148_sort_list) [Swift](src/main/swift/g0101_0200/s0148_sort_list) [Elixir](src/main/elixir/g0101_0200/s0148_sort_list) [Rust](src/main/rust/g0101_0200/s0148_sort_list) [Dart](src/main/dart/g0101_0200/s0148_sort_list) [C](src/main/c/g0101_0200/s0148_sort_list)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Sorting, Two_Pointers, Linked_List, Divide_and_Conquer, Merge_Sort, Big_O_Time_O(log(N))_Space_O(log(N)) | 9 | 93.90

#### Day 5 Greedy

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 6 Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0226 |Invert Binary Tree| [Java](src/main/java/g0201_0300/s0226_invert_binary_tree) [Kotlin](src/main/kotlin/g0201_0300/s0226_invert_binary_tree) [TypeScript](src/main/ts/g0201_0300/s0226_invert_binary_tree) [Scala](src/main/scala/g0201_0300/s0226_invert_binary_tree) [Ruby](src/main/ruby/g0201_0300/s0226_invert_binary_tree) [PHP](src/main/php/g0201_0300/s0226_invert_binary_tree) [C#](src/main/csharp/g0201_0300/s0226_invert_binary_tree) [Go](src/main/go/g0201_0300/s0226_invert_binary_tree) [Cpp](src/main/cpp/g0201_0300/s0226_invert_binary_tree) [Python](src/main/python/g0201_0300/s0226_invert_binary_tree) [Swift](src/main/swift/g0201_0300/s0226_invert_binary_tree) [Elixir](src/main/elixir/g0201_0300/s0226_invert_binary_tree) [Rust](src/main/rust/g0201_0300/s0226_invert_binary_tree) [Dart](src/main/dart/g0201_0300/s0226_invert_binary_tree) [C](src/main/c/g0201_0300/s0226_invert_binary_tree)| Easy | Top_100_Liked_Questions, Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

#### Day 7 Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0543 |Diameter of Binary Tree| [Java](src/main/java/g0501_0600/s0543_diameter_of_binary_tree) [Kotlin](src/main/kotlin/g0501_0600/s0543_diameter_of_binary_tree) [TypeScript](src/main/ts/g0501_0600/s0543_diameter_of_binary_tree) [Scala](src/main/scala/g0501_0600/s0543_diameter_of_binary_tree) [Ruby](src/main/ruby/g0501_0600/s0543_diameter_of_binary_tree) [PHP](src/main/php/g0501_0600/s0543_diameter_of_binary_tree) [C#](src/main/csharp/g0501_0600/s0543_diameter_of_binary_tree) [Go](src/main/go/g0501_0600/s0543_diameter_of_binary_tree) [Cpp](src/main/cpp/g0501_0600/s0543_diameter_of_binary_tree) [Python](src/main/python/g0501_0600/s0543_diameter_of_binary_tree) [Swift](src/main/swift/g0501_0600/s0543_diameter_of_binary_tree) [Elixir](src/main/elixir/g0501_0600/s0543_diameter_of_binary_tree) [Rust](src/main/rust/g0501_0600/s0543_diameter_of_binary_tree) [Dart](src/main/dart/g0501_0600/s0543_diameter_of_binary_tree) [C](src/main/c/g0501_0600/s0543_diameter_of_binary_tree)| Easy | Top_100_Liked_Questions, Depth_First_Search, Tree, Binary_Tree, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0437 |Path Sum III| [Java](src/main/java/g0401_0500/s0437_path_sum_iii) [Kotlin](src/main/kotlin/g0401_0500/s0437_path_sum_iii) [TypeScript](src/main/ts/g0401_0500/s0437_path_sum_iii) [Scala](src/main/scala/g0401_0500/s0437_path_sum_iii) [Ruby](src/main/ruby/g0401_0500/s0437_path_sum_iii) [PHP](src/main/php/g0401_0500/s0437_path_sum_iii) [C#](src/main/csharp/g0401_0500/s0437_path_sum_iii) [Go](src/main/go/g0401_0500/s0437_path_sum_iii) [Cpp](src/main/cpp/g0401_0500/s0437_path_sum_iii) [Python](src/main/python/g0401_0500/s0437_path_sum_iii) [Swift](src/main/swift/g0401_0500/s0437_path_sum_iii) [Elixir](src/main/elixir/g0401_0500/s0437_path_sum_iii) [Rust](src/main/rust/g0401_0500/s0437_path_sum_iii) [Dart](src/main/dart/g0401_0500/s0437_path_sum_iii) [C](src/main/c/g0401_0500/s0437_path_sum_iii)| Medium | Depth_First_Search, Tree, Binary_Tree, Big_O_Time_O(n)_Space_O(n) | 2 | 100.00

#### Day 8 Binary Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0074 |Search a 2D Matrix| [Java](src/main/java/g0001_0100/s0074_search_a_2d_matrix) [Kotlin](src/main/kotlin/g0001_0100/s0074_search_a_2d_matrix) [TypeScript](src/main/ts/g0001_0100/s0074_search_a_2d_matrix) [Scala](src/main/scala/g0001_0100/s0074_search_a_2d_matrix) [Ruby](src/main/ruby/g0001_0100/s0074_search_a_2d_matrix) [PHP](src/main/php/g0001_0100/s0074_search_a_2d_matrix) [C#](src/main/csharp/g0001_0100/s0074_search_a_2d_matrix) [Go](src/main/go/g0001_0100/s0074_search_a_2d_matrix) [Cpp](src/main/cpp/g0001_0100/s0074_search_a_2d_matrix) [Python](src/main/python/g0001_0100/s0074_search_a_2d_matrix) [Swift](src/main/swift/g0001_0100/s0074_search_a_2d_matrix) [Elixir](src/main/elixir/g0001_0100/s0074_search_a_2d_matrix) [Rust](src/main/rust/g0001_0100/s0074_search_a_2d_matrix) [Dart](src/main/dart/g0001_0100/s0074_search_a_2d_matrix) [C](src/main/c/g0001_0100/s0074_search_a_2d_matrix)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Matrix, Big_O_Time_O(endRow+endCol)_Space_O(1) | 0 | 100.00

| 0033 |Search in Rotated Sorted Array| [Java](src/main/java/g0001_0100/s0033_search_in_rotated_sorted_array) [Kotlin](src/main/kotlin/g0001_0100/s0033_search_in_rotated_sorted_array) [TypeScript](src/main/ts/g0001_0100/s0033_search_in_rotated_sorted_array) [Scala](src/main/scala/g0001_0100/s0033_search_in_rotated_sorted_array) [Ruby](src/main/ruby/g0001_0100/s0033_search_in_rotated_sorted_array) [PHP](src/main/php/g0001_0100/s0033_search_in_rotated_sorted_array) [C#](src/main/csharp/g0001_0100/s0033_search_in_rotated_sorted_array) [Go](src/main/go/g0001_0100/s0033_search_in_rotated_sorted_array) [Cpp](src/main/cpp/g0001_0100/s0033_search_in_rotated_sorted_array) [Python](src/main/python/g0001_0100/s0033_search_in_rotated_sorted_array) [Swift](src/main/swift/g0001_0100/s0033_search_in_rotated_sorted_array) [Elixir](src/main/elixir/g0001_0100/s0033_search_in_rotated_sorted_array) [Rust](src/main/rust/g0001_0100/s0033_search_in_rotated_sorted_array) [Dart](src/main/dart/g0001_0100/s0033_search_in_rotated_sorted_array) [C](src/main/c/g0001_0100/s0033_search_in_rotated_sorted_array)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Binary_Search, Big_O_Time_O(log_n)_Space_O(1) | 0 | 100.00

#### Day 9 Binary Search Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0230 |Kth Smallest Element in a BST| [Java](src/main/java/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Kotlin](src/main/kotlin/g0201_0300/s0230_kth_smallest_element_in_a_bst) [TypeScript](src/main/ts/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Scala](src/main/scala/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Ruby](src/main/ruby/g0201_0300/s0230_kth_smallest_element_in_a_bst) [PHP](src/main/php/g0201_0300/s0230_kth_smallest_element_in_a_bst) [C#](src/main/csharp/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Go](src/main/go/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Cpp](src/main/cpp/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Python](src/main/python/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Swift](src/main/swift/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Elixir](src/main/elixir/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Rust](src/main/rust/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Dart](src/main/dart/g0201_0300/s0230_kth_smallest_element_in_a_bst) [C](src/main/c/g0201_0300/s0230_kth_smallest_element_in_a_bst)| Medium | Top_100_Liked_Questions, Depth_First_Search, Tree, Binary_Tree, Binary_Search_Tree, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

#### Day 10 Graph/BFS/DFS

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 11 Graph/BFS/DFS

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 12 Dynamic Programming

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0198 |House Robber| [Java](src/main/java/g0101_0200/s0198_house_robber) [Kotlin](src/main/kotlin/g0101_0200/s0198_house_robber) [TypeScript](src/main/ts/g0101_0200/s0198_house_robber) [Scala](src/main/scala/g0101_0200/s0198_house_robber) [Ruby](src/main/ruby/g0101_0200/s0198_house_robber) [PHP](src/main/php/g0101_0200/s0198_house_robber) [C#](src/main/csharp/g0101_0200/s0198_house_robber) [Go](src/main/go/g0101_0200/s0198_house_robber) [Cpp](src/main/cpp/g0101_0200/s0198_house_robber) [Python](src/main/python/g0101_0200/s0198_house_robber) [Swift](src/main/swift/g0101_0200/s0198_house_robber) [Elixir](src/main/elixir/g0101_0200/s0198_house_robber) [Rust](src/main/rust/g0101_0200/s0198_house_robber) [Dart](src/main/dart/g0101_0200/s0198_house_robber) [C](src/main/c/g0101_0200/s0198_house_robber)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0322 |Coin Change| [Java](src/main/java/g0301_0400/s0322_coin_change) [Kotlin](src/main/kotlin/g0301_0400/s0322_coin_change) [TypeScript](src/main/ts/g0301_0400/s0322_coin_change) [Scala](src/main/scala/g0301_0400/s0322_coin_change) [Ruby](src/main/ruby/g0301_0400/s0322_coin_change) [PHP](src/main/php/g0301_0400/s0322_coin_change) [C#](src/main/csharp/g0301_0400/s0322_coin_change) [Go](src/main/go/g0301_0400/s0322_coin_change) [Cpp](src/main/cpp/g0301_0400/s0322_coin_change) [Python](src/main/python/g0301_0400/s0322_coin_change) [Swift](src/main/swift/g0301_0400/s0322_coin_change) [Elixir](src/main/elixir/g0301_0400/s0322_coin_change) [Rust](src/main/rust/g0301_0400/s0322_coin_change) [Dart](src/main/dart/g0301_0400/s0322_coin_change) [C](src/main/c/g0301_0400/s0322_coin_change)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Breadth_First_Search, Big_O_Time_O(m\*n)_Space_O(amount) | 12 | 92.59

#### Day 13 Dynamic Programming

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0416 |Partition Equal Subset Sum| [Java](src/main/java/g0401_0500/s0416_partition_equal_subset_sum) [Kotlin](src/main/kotlin/g0401_0500/s0416_partition_equal_subset_sum) [TypeScript](src/main/ts/g0401_0500/s0416_partition_equal_subset_sum) [Scala](src/main/scala/g0401_0500/s0416_partition_equal_subset_sum) [Ruby](src/main/ruby/g0401_0500/s0416_partition_equal_subset_sum) [PHP](src/main/php/g0401_0500/s0416_partition_equal_subset_sum) [C#](src/main/csharp/g0401_0500/s0416_partition_equal_subset_sum) [Go](src/main/go/g0401_0500/s0416_partition_equal_subset_sum) [Cpp](src/main/cpp/g0401_0500/s0416_partition_equal_subset_sum) [Python](src/main/python/g0401_0500/s0416_partition_equal_subset_sum) [Swift](src/main/swift/g0401_0500/s0416_partition_equal_subset_sum) [Elixir](src/main/elixir/g0401_0500/s0416_partition_equal_subset_sum) [Rust](src/main/rust/g0401_0500/s0416_partition_equal_subset_sum) [Dart](src/main/dart/g0401_0500/s0416_partition_equal_subset_sum) [C](src/main/c/g0401_0500/s0416_partition_equal_subset_sum)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Big_O_Time_O(n\*sums)_Space_O(n\*sums) | 5 | 99.88

| 0152 |Maximum Product Subarray| [Java](src/main/java/g0101_0200/s0152_maximum_product_subarray) [Kotlin](src/main/kotlin/g0101_0200/s0152_maximum_product_subarray) [TypeScript](src/main/ts/g0101_0200/s0152_maximum_product_subarray) [Scala](src/main/scala/g0101_0200/s0152_maximum_product_subarray) [Ruby](src/main/ruby/g0101_0200/s0152_maximum_product_subarray) [PHP](src/main/php/g0101_0200/s0152_maximum_product_subarray) [C#](src/main/csharp/g0101_0200/s0152_maximum_product_subarray) [Go](src/main/go/g0101_0200/s0152_maximum_product_subarray) [Cpp](src/main/cpp/g0101_0200/s0152_maximum_product_subarray) [Python](src/main/python/g0101_0200/s0152_maximum_product_subarray) [Swift](src/main/swift/g0101_0200/s0152_maximum_product_subarray) [Elixir](src/main/elixir/g0101_0200/s0152_maximum_product_subarray) [Rust](src/main/rust/g0101_0200/s0152_maximum_product_subarray) [Dart](src/main/dart/g0101_0200/s0152_maximum_product_subarray) [C](src/main/c/g0101_0200/s0152_maximum_product_subarray)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Big_O_Time_O(N)_Space_O(1) | 1 | 92.74

#### Day 14 Sliding Window/Two Pointer

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0003 |Longest Substring Without Repeating Characters| [Java](src/main/java/g0001_0100/s0003_longest_substring_without_repeating_characters) [Kotlin](src/main/kotlin/g0001_0100/s0003_longest_substring_without_repeating_characters) [TypeScript](src/main/ts/g0001_0100/s0003_longest_substring_without_repeating_characters) [Scala](src/main/scala/g0001_0100/s0003_longest_substring_without_repeating_characters) [Ruby](src/main/ruby/g0001_0100/s0003_longest_substring_without_repeating_characters) [PHP](src/main/php/g0001_0100/s0003_longest_substring_without_repeating_characters) [C#](src/main/csharp/g0001_0100/s0003_longest_substring_without_repeating_characters) [Go](src/main/go/g0001_0100/s0003_longest_substring_without_repeating_characters) [Cpp](src/main/cpp/g0001_0100/s0003_longest_substring_without_repeating_characters) [Python](src/main/python/g0001_0100/s0003_longest_substring_without_repeating_characters) [Swift](src/main/swift/g0001_0100/s0003_longest_substring_without_repeating_characters) [Elixir](src/main/elixir/g0001_0100/s0003_longest_substring_without_repeating_characters) [Rust](src/main/rust/g0001_0100/s0003_longest_substring_without_repeating_characters) [Dart](src/main/dart/g0001_0100/s0003_longest_substring_without_repeating_characters) [C](src/main/c/g0001_0100/s0003_longest_substring_without_repeating_characters)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Sliding_Window, Big_O_Time_O(n)_Space_O(1), AI_can_be_used_to_solve_the_task | 2 | 98.59

| 0076 |Minimum Window Substring| [Java](src/main/java/g0001_0100/s0076_minimum_window_substring) [Kotlin](src/main/kotlin/g0001_0100/s0076_minimum_window_substring) [TypeScript](src/main/ts/g0001_0100/s0076_minimum_window_substring) [Scala](src/main/scala/g0001_0100/s0076_minimum_window_substring) [Ruby](src/main/ruby/g0001_0100/s0076_minimum_window_substring) [PHP](src/main/php/g0001_0100/s0076_minimum_window_substring) [C#](src/main/csharp/g0001_0100/s0076_minimum_window_substring) [Go](src/main/go/g0001_0100/s0076_minimum_window_substring) [Cpp](src/main/cpp/g0001_0100/s0076_minimum_window_substring) [Python](src/main/python/g0001_0100/s0076_minimum_window_substring) [Swift](src/main/swift/g0001_0100/s0076_minimum_window_substring) [Elixir](src/main/elixir/g0001_0100/s0076_minimum_window_substring) [Rust](src/main/rust/g0001_0100/s0076_minimum_window_substring) [Dart](src/main/dart/g0001_0100/s0076_minimum_window_substring) [C](src/main/c/g0001_0100/s0076_minimum_window_substring)| Hard | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Sliding_Window, Big_O_Time_O(s.length())_Space_O(1) | 2 | 99.83

#### Day 15 Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0101 |Symmetric Tree| [Java](src/main/java/g0101_0200/s0101_symmetric_tree) [Kotlin](src/main/kotlin/g0101_0200/s0101_symmetric_tree) [TypeScript](src/main/ts/g0101_0200/s0101_symmetric_tree) [Scala](src/main/scala/g0101_0200/s0101_symmetric_tree) [Ruby](src/main/ruby/g0101_0200/s0101_symmetric_tree) [PHP](src/main/php/g0101_0200/s0101_symmetric_tree) [C#](src/main/csharp/g0101_0200/s0101_symmetric_tree) [Go](src/main/go/g0101_0200/s0101_symmetric_tree) [Cpp](src/main/cpp/g0101_0200/s0101_symmetric_tree) [Python](src/main/python/g0101_0200/s0101_symmetric_tree) [Swift](src/main/swift/g0101_0200/s0101_symmetric_tree) [Elixir](src/main/elixir/g0101_0200/s0101_symmetric_tree) [Rust](src/main/rust/g0101_0200/s0101_symmetric_tree) [Dart](src/main/dart/g0101_0200/s0101_symmetric_tree) [C](src/main/c/g0101_0200/s0101_symmetric_tree)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Big_O_Time_O(N)_Space_O(log(N)) | 0 | 100.00

#### Day 16 Design

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0155 |Min Stack| [Java](src/main/java/g0101_0200/s0155_min_stack) [Kotlin](src/main/kotlin/g0101_0200/s0155_min_stack) [TypeScript](src/main/ts/g0101_0200/s0155_min_stack) [Scala](src/main/scala/g0101_0200/s0155_min_stack) [Ruby](src/main/ruby/g0101_0200/s0155_min_stack) [PHP](src/main/php/g0101_0200/s0155_min_stack) [C#](src/main/csharp/g0101_0200/s0155_min_stack) [Go](src/main/go/g0101_0200/s0155_min_stack) [Cpp](src/main/cpp/g0101_0200/s0155_min_stack) [Python](src/main/python/g0101_0200/s0155_min_stack) [Swift](src/main/swift/g0101_0200/s0155_min_stack) [Elixir](src/main/elixir/g0101_0200/s0155_min_stack) [Rust](src/main/rust/g0101_0200/s0155_min_stack) [Dart](src/main/dart/g0101_0200/s0155_min_stack) [C](src/main/c/g0101_0200/s0155_min_stack)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Stack, Design, Big_O_Time_O(1)_Space_O(N) | 4 | 96.54

| 0208 |Implement Trie (Prefix Tree)| [Java](src/main/java/g0201_0300/s0208_implement_trie_prefix_tree) [Kotlin](src/main/kotlin/g0201_0300/s0208_implement_trie_prefix_tree) [TypeScript](src/main/ts/g0201_0300/s0208_implement_trie_prefix_tree) [Scala](src/main/scala/g0201_0300/s0208_implement_trie_prefix_tree) [Ruby](src/main/ruby/g0201_0300/s0208_implement_trie_prefix_tree) [PHP](src/main/php/g0201_0300/s0208_implement_trie_prefix_tree) [C#](src/main/csharp/g0201_0300/s0208_implement_trie_prefix_tree) [Go](src/main/go/g0201_0300/s0208_implement_trie_prefix_tree) [Cpp](src/main/cpp/g0201_0300/s0208_implement_trie_prefix_tree) [Python](src/main/python/g0201_0300/s0208_implement_trie_prefix_tree) [Swift](src/main/swift/g0201_0300/s0208_implement_trie_prefix_tree) [Elixir](src/main/elixir/g0201_0300/s0208_implement_trie_prefix_tree) [Rust](src/main/rust/g0201_0300/s0208_implement_trie_prefix_tree) [Dart](src/main/dart/g0201_0300/s0208_implement_trie_prefix_tree) [C](src/main/c/g0201_0300/s0208_implement_trie_prefix_tree)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Design, Trie, Big_O_Time_O(word.length())_or_O(prefix.length())_Space_O(N) | 32 | 95.05

#### Day 17 Interval

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0056 |Merge Intervals| [Java](src/main/java/g0001_0100/s0056_merge_intervals) [Kotlin](src/main/kotlin/g0001_0100/s0056_merge_intervals) [TypeScript](src/main/ts/g0001_0100/s0056_merge_intervals) [Scala](src/main/scala/g0001_0100/s0056_merge_intervals) [Ruby](src/main/ruby/g0001_0100/s0056_merge_intervals) [PHP](src/main/php/g0001_0100/s0056_merge_intervals) [C#](src/main/csharp/g0001_0100/s0056_merge_intervals) [Go](src/main/go/g0001_0100/s0056_merge_intervals) [Cpp](src/main/cpp/g0001_0100/s0056_merge_intervals) [Python](src/main/python/g0001_0100/s0056_merge_intervals) [Swift](src/main/swift/g0001_0100/s0056_merge_intervals) [Elixir](src/main/elixir/g0001_0100/s0056_merge_intervals) [Rust](src/main/rust/g0001_0100/s0056_merge_intervals) [Dart](src/main/dart/g0001_0100/s0056_merge_intervals) [C](src/main/c/g0001_0100/s0056_merge_intervals)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Sorting, Big_O_Time_O(n_log_n)_Space_O(n) | 7 | 98.37

#### Day 18 Stack

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 19 Union Find

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 20 Brute Force/Backtracking

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0039 |Combination Sum| [Java](src/main/java/g0001_0100/s0039_combination_sum) [Kotlin](src/main/kotlin/g0001_0100/s0039_combination_sum) [TypeScript](src/main/ts/g0001_0100/s0039_combination_sum) [Scala](src/main/scala/g0001_0100/s0039_combination_sum) [Ruby](src/main/ruby/g0001_0100/s0039_combination_sum) [PHP](src/main/php/g0001_0100/s0039_combination_sum) [C#](src/main/csharp/g0001_0100/s0039_combination_sum) [Go](src/main/go/g0001_0100/s0039_combination_sum) [Cpp](src/main/cpp/g0001_0100/s0039_combination_sum) [Python](src/main/python/g0001_0100/s0039_combination_sum) [Swift](src/main/swift/g0001_0100/s0039_combination_sum) [Elixir](src/main/elixir/g0001_0100/s0039_combination_sum) [Rust](src/main/rust/g0001_0100/s0039_combination_sum) [Dart](src/main/dart/g0001_0100/s0039_combination_sum) [C](src/main/c/g0001_0100/s0039_combination_sum)| Medium | Top_100_Liked_Questions, Array, Backtracking, Big_O_Time_O(2^n)_Space_O(n+2^n) | 1 | 99.99

| 0046 |Permutations| [Java](src/main/java/g0001_0100/s0046_permutations) [Kotlin](src/main/kotlin/g0001_0100/s0046_permutations) [TypeScript](src/main/ts/g0001_0100/s0046_permutations) [Scala](src/main/scala/g0001_0100/s0046_permutations) [Ruby](src/main/ruby/g0001_0100/s0046_permutations) [PHP](src/main/php/g0001_0100/s0046_permutations) [C#](src/main/csharp/g0001_0100/s0046_permutations) [Go](src/main/go/g0001_0100/s0046_permutations) [Cpp](src/main/cpp/g0001_0100/s0046_permutations) [Python](src/main/python/g0001_0100/s0046_permutations) [Swift](src/main/swift/g0001_0100/s0046_permutations) [Elixir](src/main/elixir/g0001_0100/s0046_permutations) [Rust](src/main/rust/g0001_0100/s0046_permutations) [Dart](src/main/dart/g0001_0100/s0046_permutations) [C](src/main/c/g0001_0100/s0046_permutations)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Backtracking, Big_O_Time_O(n\*n!)_Space_O(n+n!) | 1 | 94.08

### Udemy

#### Udemy Integers

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0136 |Single Number| [Java](src/main/java/g0101_0200/s0136_single_number) [Kotlin](src/main/kotlin/g0101_0200/s0136_single_number) [TypeScript](src/main/ts/g0101_0200/s0136_single_number) [Scala](src/main/scala/g0101_0200/s0136_single_number) [Ruby](src/main/ruby/g0101_0200/s0136_single_number) [PHP](src/main/php/g0101_0200/s0136_single_number) [C#](src/main/csharp/g0101_0200/s0136_single_number) [Go](src/main/go/g0101_0200/s0136_single_number) [Cpp](src/main/cpp/g0101_0200/s0136_single_number) [Python](src/main/python/g0101_0200/s0136_single_number) [Swift](src/main/swift/g0101_0200/s0136_single_number) [Elixir](src/main/elixir/g0101_0200/s0136_single_number) [Rust](src/main/rust/g0101_0200/s0136_single_number) [Dart](src/main/dart/g0101_0200/s0136_single_number) [C](src/main/c/g0101_0200/s0136_single_number)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Bit_Manipulation, Big_O_Time_O(N)_Space_O(1) | 1 | 99.86

| 0007 |Reverse Integer| [Java](src/main/java/g0001_0100/s0007_reverse_integer) [Kotlin](src/main/kotlin/g0001_0100/s0007_reverse_integer) [TypeScript](src/main/ts/g0001_0100/s0007_reverse_integer) [Scala](src/main/scala/g0001_0100/s0007_reverse_integer) [Ruby](src/main/ruby/g0001_0100/s0007_reverse_integer) [PHP](src/main/php/g0001_0100/s0007_reverse_integer) [C#](src/main/csharp/g0001_0100/s0007_reverse_integer) [Go](src/main/go/g0001_0100/s0007_reverse_integer) [Cpp](src/main/cpp/g0001_0100/s0007_reverse_integer) [Python](src/main/python/g0001_0100/s0007_reverse_integer) [Swift](src/main/swift/g0001_0100/s0007_reverse_integer) [Elixir](src/main/elixir/g0001_0100/s0007_reverse_integer) [Rust](src/main/rust/g0001_0100/s0007_reverse_integer) [Dart](src/main/dart/g0001_0100/s0007_reverse_integer) [C](src/main/c/g0001_0100/s0007_reverse_integer)| Medium | Top_Interview_Questions, Math | 0 | 100.00

| 0009 |Palindrome Number| [Java](src/main/java/g0001_0100/s0009_palindrome_number) [Kotlin](src/main/kotlin/g0001_0100/s0009_palindrome_number) [TypeScript](src/main/ts/g0001_0100/s0009_palindrome_number) [Scala](src/main/scala/g0001_0100/s0009_palindrome_number) [Ruby](src/main/ruby/g0001_0100/s0009_palindrome_number) [PHP](src/main/php/g0001_0100/s0009_palindrome_number) [C#](src/main/csharp/g0001_0100/s0009_palindrome_number) [Go](src/main/go/g0001_0100/s0009_palindrome_number) [Cpp](src/main/cpp/g0001_0100/s0009_palindrome_number) [Python](src/main/python/g0001_0100/s0009_palindrome_number) [Swift](src/main/swift/g0001_0100/s0009_palindrome_number) [Elixir](src/main/elixir/g0001_0100/s0009_palindrome_number) [Rust](src/main/rust/g0001_0100/s0009_palindrome_number) [Dart](src/main/dart/g0001_0100/s0009_palindrome_number) [C](src/main/c/g0001_0100/s0009_palindrome_number)| Easy | Math | 4 | 100.00

#### Udemy Strings

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0003 |Longest Substring Without Repeating Characters| [Java](src/main/java/g0001_0100/s0003_longest_substring_without_repeating_characters) [Kotlin](src/main/kotlin/g0001_0100/s0003_longest_substring_without_repeating_characters) [TypeScript](src/main/ts/g0001_0100/s0003_longest_substring_without_repeating_characters) [Scala](src/main/scala/g0001_0100/s0003_longest_substring_without_repeating_characters) [Ruby](src/main/ruby/g0001_0100/s0003_longest_substring_without_repeating_characters) [PHP](src/main/php/g0001_0100/s0003_longest_substring_without_repeating_characters) [C#](src/main/csharp/g0001_0100/s0003_longest_substring_without_repeating_characters) [Go](src/main/go/g0001_0100/s0003_longest_substring_without_repeating_characters) [Cpp](src/main/cpp/g0001_0100/s0003_longest_substring_without_repeating_characters) [Python](src/main/python/g0001_0100/s0003_longest_substring_without_repeating_characters) [Swift](src/main/swift/g0001_0100/s0003_longest_substring_without_repeating_characters) [Elixir](src/main/elixir/g0001_0100/s0003_longest_substring_without_repeating_characters) [Rust](src/main/rust/g0001_0100/s0003_longest_substring_without_repeating_characters) [Dart](src/main/dart/g0001_0100/s0003_longest_substring_without_repeating_characters) [C](src/main/c/g0001_0100/s0003_longest_substring_without_repeating_characters)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Sliding_Window, Big_O_Time_O(n)_Space_O(1), AI_can_be_used_to_solve_the_task | 2 | 98.59

| 0020 |Valid Parentheses| [Java](src/main/java/g0001_0100/s0020_valid_parentheses) [Kotlin](src/main/kotlin/g0001_0100/s0020_valid_parentheses) [TypeScript](src/main/ts/g0001_0100/s0020_valid_parentheses) [Scala](src/main/scala/g0001_0100/s0020_valid_parentheses) [Ruby](src/main/ruby/g0001_0100/s0020_valid_parentheses) [PHP](src/main/php/g0001_0100/s0020_valid_parentheses) [C#](src/main/csharp/g0001_0100/s0020_valid_parentheses) [Go](src/main/go/g0001_0100/s0020_valid_parentheses) [Cpp](src/main/cpp/g0001_0100/s0020_valid_parentheses) [Python](src/main/python/g0001_0100/s0020_valid_parentheses) [Swift](src/main/swift/g0001_0100/s0020_valid_parentheses) [Elixir](src/main/elixir/g0001_0100/s0020_valid_parentheses) [Rust](src/main/rust/g0001_0100/s0020_valid_parentheses) [Dart](src/main/dart/g0001_0100/s0020_valid_parentheses) [C](src/main/c/g0001_0100/s0020_valid_parentheses)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, String, Stack, Big_O_Time_O(n)_Space_O(n) | 2 | 97.19

| 0005 |Longest Palindromic Substring| [Java](src/main/java/g0001_0100/s0005_longest_palindromic_substring) [Kotlin](src/main/kotlin/g0001_0100/s0005_longest_palindromic_substring) [TypeScript](src/main/ts/g0001_0100/s0005_longest_palindromic_substring) [Scala](src/main/scala/g0001_0100/s0005_longest_palindromic_substring) [Ruby](src/main/ruby/g0001_0100/s0005_longest_palindromic_substring) [PHP](src/main/php/g0001_0100/s0005_longest_palindromic_substring) [C#](src/main/csharp/g0001_0100/s0005_longest_palindromic_substring) [Go](src/main/go/g0001_0100/s0005_longest_palindromic_substring) [Cpp](src/main/cpp/g0001_0100/s0005_longest_palindromic_substring) [Python](src/main/python/g0001_0100/s0005_longest_palindromic_substring) [Swift](src/main/swift/g0001_0100/s0005_longest_palindromic_substring) [Elixir](src/main/elixir/g0001_0100/s0005_longest_palindromic_substring) [Rust](src/main/rust/g0001_0100/s0005_longest_palindromic_substring) [Dart](src/main/dart/g0001_0100/s0005_longest_palindromic_substring) [C](src/main/c/g0001_0100/s0005_longest_palindromic_substring)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Dynamic_Programming, Big_O_Time_O(n)_Space_O(n) | 7 | 97.82

| 0394 |Decode String| [Java](src/main/java/g0301_0400/s0394_decode_string) [Kotlin](src/main/kotlin/g0301_0400/s0394_decode_string) [TypeScript](src/main/ts/g0301_0400/s0394_decode_string) [Scala](src/main/scala/g0301_0400/s0394_decode_string) [Ruby](src/main/ruby/g0301_0400/s0394_decode_string) [PHP](src/main/php/g0301_0400/s0394_decode_string) [C#](src/main/csharp/g0301_0400/s0394_decode_string) [Go](src/main/go/g0301_0400/s0394_decode_string) [Cpp](src/main/cpp/g0301_0400/s0394_decode_string) [Python](src/main/python/g0301_0400/s0394_decode_string) [Swift](src/main/swift/g0301_0400/s0394_decode_string) [Elixir](src/main/elixir/g0301_0400/s0394_decode_string) [Rust](src/main/rust/g0301_0400/s0394_decode_string) [Dart](src/main/dart/g0301_0400/s0394_decode_string) [C](src/main/c/g0301_0400/s0394_decode_string)| Medium | Top_100_Liked_Questions, String, Stack, Recursion, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0049 |Group Anagrams| [Java](src/main/java/g0001_0100/s0049_group_anagrams) [Kotlin](src/main/kotlin/g0001_0100/s0049_group_anagrams) [TypeScript](src/main/ts/g0001_0100/s0049_group_anagrams) [Scala](src/main/scala/g0001_0100/s0049_group_anagrams) [Ruby](src/main/ruby/g0001_0100/s0049_group_anagrams) [PHP](src/main/php/g0001_0100/s0049_group_anagrams) [C#](src/main/csharp/g0001_0100/s0049_group_anagrams) [Go](src/main/go/g0001_0100/s0049_group_anagrams) [Cpp](src/main/cpp/g0001_0100/s0049_group_anagrams) [Python](src/main/python/g0001_0100/s0049_group_anagrams) [Swift](src/main/swift/g0001_0100/s0049_group_anagrams) [Elixir](src/main/elixir/g0001_0100/s0049_group_anagrams) [Rust](src/main/rust/g0001_0100/s0049_group_anagrams) [Dart](src/main/dart/g0001_0100/s0049_group_anagrams) [C](src/main/c/g0001_0100/s0049_group_anagrams)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, String, Hash_Table, Sorting, Big_O_Time_O(n\*k_log_k)_Space_O(n) | 6 | 97.61

#### Udemy Binary Search

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0033 |Search in Rotated Sorted Array| [Java](src/main/java/g0001_0100/s0033_search_in_rotated_sorted_array) [Kotlin](src/main/kotlin/g0001_0100/s0033_search_in_rotated_sorted_array) [TypeScript](src/main/ts/g0001_0100/s0033_search_in_rotated_sorted_array) [Scala](src/main/scala/g0001_0100/s0033_search_in_rotated_sorted_array) [Ruby](src/main/ruby/g0001_0100/s0033_search_in_rotated_sorted_array) [PHP](src/main/php/g0001_0100/s0033_search_in_rotated_sorted_array) [C#](src/main/csharp/g0001_0100/s0033_search_in_rotated_sorted_array) [Go](src/main/go/g0001_0100/s0033_search_in_rotated_sorted_array) [Cpp](src/main/cpp/g0001_0100/s0033_search_in_rotated_sorted_array) [Python](src/main/python/g0001_0100/s0033_search_in_rotated_sorted_array) [Swift](src/main/swift/g0001_0100/s0033_search_in_rotated_sorted_array) [Elixir](src/main/elixir/g0001_0100/s0033_search_in_rotated_sorted_array) [Rust](src/main/rust/g0001_0100/s0033_search_in_rotated_sorted_array) [Dart](src/main/dart/g0001_0100/s0033_search_in_rotated_sorted_array) [C](src/main/c/g0001_0100/s0033_search_in_rotated_sorted_array)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Binary_Search, Big_O_Time_O(log_n)_Space_O(1) | 0 | 100.00

| 0153 |Find Minimum in Rotated Sorted Array| [Java](src/main/java/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Kotlin](src/main/kotlin/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [TypeScript](src/main/ts/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Scala](src/main/scala/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Ruby](src/main/ruby/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [PHP](src/main/php/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [C#](src/main/csharp/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Go](src/main/go/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Cpp](src/main/cpp/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Python](src/main/python/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Swift](src/main/swift/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Elixir](src/main/elixir/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Rust](src/main/rust/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Dart](src/main/dart/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [C](src/main/c/g0101_0200/s0153_find_minimum_in_rotated_sorted_array)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Big_O_Time_O(log_N)_Space_O(log_N) | 0 | 100.00

#### Udemy Arrays

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0121 |Best Time to Buy and Sell Stock| [Java](src/main/java/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Kotlin](src/main/kotlin/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [TypeScript](src/main/ts/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Scala](src/main/scala/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Ruby](src/main/ruby/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [PHP](src/main/php/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [C#](src/main/csharp/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Go](src/main/go/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Cpp](src/main/cpp/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Python](src/main/python/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Swift](src/main/swift/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Elixir](src/main/elixir/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Rust](src/main/rust/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Dart](src/main/dart/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [C](src/main/c/g0101_0200/s0121_best_time_to_buy_and_sell_stock)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Big_O_Time_O(N)_Space_O(1) | 1 | 99.78

| 0283 |Move Zeroes| [Java](src/main/java/g0201_0300/s0283_move_zeroes) [Kotlin](src/main/kotlin/g0201_0300/s0283_move_zeroes) [TypeScript](src/main/ts/g0201_0300/s0283_move_zeroes) [Scala](src/main/scala/g0201_0300/s0283_move_zeroes) [Ruby](src/main/ruby/g0201_0300/s0283_move_zeroes) [PHP](src/main/php/g0201_0300/s0283_move_zeroes) [C#](src/main/csharp/g0201_0300/s0283_move_zeroes) [Go](src/main/go/g0201_0300/s0283_move_zeroes) [Cpp](src/main/cpp/g0201_0300/s0283_move_zeroes) [Python](src/main/python/g0201_0300/s0283_move_zeroes) [Swift](src/main/swift/g0201_0300/s0283_move_zeroes) [Elixir](src/main/elixir/g0201_0300/s0283_move_zeroes) [Rust](src/main/rust/g0201_0300/s0283_move_zeroes) [Dart](src/main/dart/g0201_0300/s0283_move_zeroes) [C](src/main/c/g0201_0300/s0283_move_zeroes)| Easy | Top_100_Liked_Questions, Array, Two_Pointers, Big_O_Time_O(n)_Space_O(1) | 2 | 83.99

| 0001 |Two Sum| [Java](src/main/java/g0001_0100/s0001_two_sum) [Kotlin](src/main/kotlin/g0001_0100/s0001_two_sum) [TypeScript](src/main/ts/g0001_0100/s0001_two_sum) [Scala](src/main/scala/g0001_0100/s0001_two_sum) [Ruby](src/main/ruby/g0001_0100/s0001_two_sum) [PHP](src/main/php/g0001_0100/s0001_two_sum) [C#](src/main/csharp/g0001_0100/s0001_two_sum) [Go](src/main/go/g0001_0100/s0001_two_sum) [Cpp](src/main/cpp/g0001_0100/s0001_two_sum) [Python](src/main/python/g0001_0100/s0001_two_sum) [Swift](src/main/swift/g0001_0100/s0001_two_sum) [Elixir](src/main/elixir/g0001_0100/s0001_two_sum) [Rust](src/main/rust/g0001_0100/s0001_two_sum) [Dart](src/main/dart/g0001_0100/s0001_two_sum) [C](src/main/c/g0001_0100/s0001_two_sum)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Big_O_Time_O(n)_Space_O(n), AI_can_be_used_to_solve_the_task | 2 | 98.90

| 0189 |Rotate Array| [Java](src/main/java/g0101_0200/s0189_rotate_array) [Kotlin](src/main/kotlin/g0101_0200/s0189_rotate_array) [TypeScript](src/main/ts/g0101_0200/s0189_rotate_array) [Scala](src/main/scala/g0101_0200/s0189_rotate_array) [Ruby](src/main/ruby/g0101_0200/s0189_rotate_array) [PHP](src/main/php/g0101_0200/s0189_rotate_array) [C#](src/main/csharp/g0101_0200/s0189_rotate_array) [Go](src/main/go/g0101_0200/s0189_rotate_array) [Cpp](src/main/cpp/g0101_0200/s0189_rotate_array) [Python](src/main/python/g0101_0200/s0189_rotate_array) [Swift](src/main/swift/g0101_0200/s0189_rotate_array) [Elixir](src/main/elixir/g0101_0200/s0189_rotate_array) [Rust](src/main/rust/g0101_0200/s0189_rotate_array) [Dart](src/main/dart/g0101_0200/s0189_rotate_array) [C](src/main/c/g0101_0200/s0189_rotate_array)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Math, Two_Pointers, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

| 0055 |Jump Game| [Java](src/main/java/g0001_0100/s0055_jump_game) [Kotlin](src/main/kotlin/g0001_0100/s0055_jump_game) [TypeScript](src/main/ts/g0001_0100/s0055_jump_game) [Scala](src/main/scala/g0001_0100/s0055_jump_game) [Ruby](src/main/ruby/g0001_0100/s0055_jump_game) [PHP](src/main/php/g0001_0100/s0055_jump_game) [C#](src/main/csharp/g0001_0100/s0055_jump_game) [Go](src/main/go/g0001_0100/s0055_jump_game) [Cpp](src/main/cpp/g0001_0100/s0055_jump_game) [Python](src/main/python/g0001_0100/s0055_jump_game) [Swift](src/main/swift/g0001_0100/s0055_jump_game) [Elixir](src/main/elixir/g0001_0100/s0055_jump_game) [Rust](src/main/rust/g0001_0100/s0055_jump_game) [Dart](src/main/dart/g0001_0100/s0055_jump_game) [C](src/main/c/g0001_0100/s0055_jump_game)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Greedy, Big_O_Time_O(n)_Space_O(1) | 1 | 100.00

| 0075 |Sort Colors| [Java](src/main/java/g0001_0100/s0075_sort_colors) [Kotlin](src/main/kotlin/g0001_0100/s0075_sort_colors) [TypeScript](src/main/ts/g0001_0100/s0075_sort_colors) [Scala](src/main/scala/g0001_0100/s0075_sort_colors) [Ruby](src/main/ruby/g0001_0100/s0075_sort_colors) [PHP](src/main/php/g0001_0100/s0075_sort_colors) [C#](src/main/csharp/g0001_0100/s0075_sort_colors) [Go](src/main/go/g0001_0100/s0075_sort_colors) [Cpp](src/main/cpp/g0001_0100/s0075_sort_colors) [Python](src/main/python/g0001_0100/s0075_sort_colors) [Swift](src/main/swift/g0001_0100/s0075_sort_colors) [Elixir](src/main/elixir/g0001_0100/s0075_sort_colors) [Rust](src/main/rust/g0001_0100/s0075_sort_colors) [Dart](src/main/dart/g0001_0100/s0075_sort_colors) [C](src/main/c/g0001_0100/s0075_sort_colors)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Sorting, Two_Pointers, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

| 0238 |Product of Array Except Self| [Java](src/main/java/g0201_0300/s0238_product_of_array_except_self) [Kotlin](src/main/kotlin/g0201_0300/s0238_product_of_array_except_self) [TypeScript](src/main/ts/g0201_0300/s0238_product_of_array_except_self) [Scala](src/main/scala/g0201_0300/s0238_product_of_array_except_self) [Ruby](src/main/ruby/g0201_0300/s0238_product_of_array_except_self) [PHP](src/main/php/g0201_0300/s0238_product_of_array_except_self) [C#](src/main/csharp/g0201_0300/s0238_product_of_array_except_self) [Go](src/main/go/g0201_0300/s0238_product_of_array_except_self) [Cpp](src/main/cpp/g0201_0300/s0238_product_of_array_except_self) [Python](src/main/python/g0201_0300/s0238_product_of_array_except_self) [Swift](src/main/swift/g0201_0300/s0238_product_of_array_except_self) [Elixir](src/main/elixir/g0201_0300/s0238_product_of_array_except_self) [Rust](src/main/rust/g0201_0300/s0238_product_of_array_except_self) [Dart](src/main/dart/g0201_0300/s0238_product_of_array_except_self) [C](src/main/c/g0201_0300/s0238_product_of_array_except_self)| Medium | Top_100_Liked_Questions, Array, Prefix_Sum, Big_O_Time_O(n^2)_Space_O(n) | 1 | 99.66

| 0041 |First Missing Positive| [Java](src/main/java/g0001_0100/s0041_first_missing_positive) [Kotlin](src/main/kotlin/g0001_0100/s0041_first_missing_positive) [TypeScript](src/main/ts/g0001_0100/s0041_first_missing_positive) [Scala](src/main/scala/g0001_0100/s0041_first_missing_positive) [Ruby](src/main/ruby/g0001_0100/s0041_first_missing_positive) [PHP](src/main/php/g0001_0100/s0041_first_missing_positive) [C#](src/main/csharp/g0001_0100/s0041_first_missing_positive) [Go](src/main/go/g0001_0100/s0041_first_missing_positive) [Cpp](src/main/cpp/g0001_0100/s0041_first_missing_positive) [Python](src/main/python/g0001_0100/s0041_first_missing_positive) [Swift](src/main/swift/g0001_0100/s0041_first_missing_positive) [Elixir](src/main/elixir/g0001_0100/s0041_first_missing_positive) [Rust](src/main/rust/g0001_0100/s0041_first_missing_positive) [Dart](src/main/dart/g0001_0100/s0041_first_missing_positive) [C](src/main/c/g0001_0100/s0041_first_missing_positive)| Hard | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Big_O_Time_O(n)_Space_O(n) | 1 | 100.00

| 0239 |Sliding Window Maximum| [Java](src/main/java/g0201_0300/s0239_sliding_window_maximum) [Kotlin](src/main/kotlin/g0201_0300/s0239_sliding_window_maximum) [TypeScript](src/main/ts/g0201_0300/s0239_sliding_window_maximum) [Scala](src/main/scala/g0201_0300/s0239_sliding_window_maximum) [Ruby](src/main/ruby/g0201_0300/s0239_sliding_window_maximum) [PHP](src/main/php/g0201_0300/s0239_sliding_window_maximum) [C#](src/main/csharp/g0201_0300/s0239_sliding_window_maximum) [Go](src/main/go/g0201_0300/s0239_sliding_window_maximum) [Cpp](src/main/cpp/g0201_0300/s0239_sliding_window_maximum) [Python](src/main/python/g0201_0300/s0239_sliding_window_maximum) [Swift](src/main/swift/g0201_0300/s0239_sliding_window_maximum) [Elixir](src/main/elixir/g0201_0300/s0239_sliding_window_maximum) [Rust](src/main/rust/g0201_0300/s0239_sliding_window_maximum) [Dart](src/main/dart/g0201_0300/s0239_sliding_window_maximum) [C](src/main/c/g0201_0300/s0239_sliding_window_maximum)| Hard | Top_100_Liked_Questions, Array, Heap_Priority_Queue, Sliding_Window, Queue, Monotonic_Queue, Big_O_Time_O(n\*k)_Space_O(n+k) | 26 | 95.89

#### Udemy Two Pointers

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0042 |Trapping Rain Water| [Java](src/main/java/g0001_0100/s0042_trapping_rain_water) [Kotlin](src/main/kotlin/g0001_0100/s0042_trapping_rain_water) [TypeScript](src/main/ts/g0001_0100/s0042_trapping_rain_water) [Scala](src/main/scala/g0001_0100/s0042_trapping_rain_water) [Ruby](src/main/ruby/g0001_0100/s0042_trapping_rain_water) [PHP](src/main/php/g0001_0100/s0042_trapping_rain_water) [C#](src/main/csharp/g0001_0100/s0042_trapping_rain_water) [Go](src/main/go/g0001_0100/s0042_trapping_rain_water) [Cpp](src/main/cpp/g0001_0100/s0042_trapping_rain_water) [Python](src/main/python/g0001_0100/s0042_trapping_rain_water) [Swift](src/main/swift/g0001_0100/s0042_trapping_rain_water) [Elixir](src/main/elixir/g0001_0100/s0042_trapping_rain_water) [Rust](src/main/rust/g0001_0100/s0042_trapping_rain_water) [Dart](src/main/dart/g0001_0100/s0042_trapping_rain_water) [C](src/main/c/g0001_0100/s0042_trapping_rain_water)| Hard | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Two_Pointers, Stack, Monotonic_Stack, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

| 0015 |3Sum| [Java](src/main/java/g0001_0100/s0015_3sum) [Kotlin](src/main/kotlin/g0001_0100/s0015_3sum) [TypeScript](src/main/ts/g0001_0100/s0015_3sum) [Scala](src/main/scala/g0001_0100/s0015_3sum) [Ruby](src/main/ruby/g0001_0100/s0015_3sum) [PHP](src/main/php/g0001_0100/s0015_3sum) [C#](src/main/csharp/g0001_0100/s0015_3sum) [Go](src/main/go/g0001_0100/s0015_3sum) [Cpp](src/main/cpp/g0001_0100/s0015_3sum) [Python](src/main/python/g0001_0100/s0015_3sum) [Swift](src/main/swift/g0001_0100/s0015_3sum) [Elixir](src/main/elixir/g0001_0100/s0015_3sum) [Rust](src/main/rust/g0001_0100/s0015_3sum) [Dart](src/main/dart/g0001_0100/s0015_3sum) [C](src/main/c/g0001_0100/s0015_3sum)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Sorting, Two_Pointers, Big_O_Time_O(n\*log(n))_Space_O(n^2) | 29 | 72.02

#### Udemy Famous Algorithm

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0053 |Maximum Subarray| [Java](src/main/java/g0001_0100/s0053_maximum_subarray) [Kotlin](src/main/kotlin/g0001_0100/s0053_maximum_subarray) [TypeScript](src/main/ts/g0001_0100/s0053_maximum_subarray) [Scala](src/main/scala/g0001_0100/s0053_maximum_subarray) [Ruby](src/main/ruby/g0001_0100/s0053_maximum_subarray) [PHP](src/main/php/g0001_0100/s0053_maximum_subarray) [C#](src/main/csharp/g0001_0100/s0053_maximum_subarray) [Go](src/main/go/g0001_0100/s0053_maximum_subarray) [Cpp](src/main/cpp/g0001_0100/s0053_maximum_subarray) [Python](src/main/python/g0001_0100/s0053_maximum_subarray) [Swift](src/main/swift/g0001_0100/s0053_maximum_subarray) [Elixir](src/main/elixir/g0001_0100/s0053_maximum_subarray) [Rust](src/main/rust/g0001_0100/s0053_maximum_subarray) [Dart](src/main/dart/g0001_0100/s0053_maximum_subarray) [C](src/main/c/g0001_0100/s0053_maximum_subarray)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Divide_and_Conquer, Big_O_Time_O(n)_Space_O(1) | 1 | 99.32

| 0169 |Majority Element| [Java](src/main/java/g0101_0200/s0169_majority_element) [Kotlin](src/main/kotlin/g0101_0200/s0169_majority_element) [TypeScript](src/main/ts/g0101_0200/s0169_majority_element) [Scala](src/main/scala/g0101_0200/s0169_majority_element) [Ruby](src/main/ruby/g0101_0200/s0169_majority_element) [PHP](src/main/php/g0101_0200/s0169_majority_element) [C#](src/main/csharp/g0101_0200/s0169_majority_element) [Go](src/main/go/g0101_0200/s0169_majority_element) [Cpp](src/main/cpp/g0101_0200/s0169_majority_element) [Python](src/main/python/g0101_0200/s0169_majority_element) [Swift](src/main/swift/g0101_0200/s0169_majority_element) [Elixir](src/main/elixir/g0101_0200/s0169_majority_element) [Rust](src/main/rust/g0101_0200/s0169_majority_element) [Dart](src/main/dart/g0101_0200/s0169_majority_element) [C](src/main/c/g0101_0200/s0169_majority_element)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Sorting, Counting, Divide_and_Conquer, Big_O_Time_O(n)_Space_O(1) | 1 | 99.89

#### Udemy Sorting Algorithms

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Udemy 2D Arrays/Matrix

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0074 |Search a 2D Matrix| [Java](src/main/java/g0001_0100/s0074_search_a_2d_matrix) [Kotlin](src/main/kotlin/g0001_0100/s0074_search_a_2d_matrix) [TypeScript](src/main/ts/g0001_0100/s0074_search_a_2d_matrix) [Scala](src/main/scala/g0001_0100/s0074_search_a_2d_matrix) [Ruby](src/main/ruby/g0001_0100/s0074_search_a_2d_matrix) [PHP](src/main/php/g0001_0100/s0074_search_a_2d_matrix) [C#](src/main/csharp/g0001_0100/s0074_search_a_2d_matrix) [Go](src/main/go/g0001_0100/s0074_search_a_2d_matrix) [Cpp](src/main/cpp/g0001_0100/s0074_search_a_2d_matrix) [Python](src/main/python/g0001_0100/s0074_search_a_2d_matrix) [Swift](src/main/swift/g0001_0100/s0074_search_a_2d_matrix) [Elixir](src/main/elixir/g0001_0100/s0074_search_a_2d_matrix) [Rust](src/main/rust/g0001_0100/s0074_search_a_2d_matrix) [Dart](src/main/dart/g0001_0100/s0074_search_a_2d_matrix) [C](src/main/c/g0001_0100/s0074_search_a_2d_matrix)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Matrix, Big_O_Time_O(endRow+endCol)_Space_O(1) | 0 | 100.00

| 0048 |Rotate Image| [Java](src/main/java/g0001_0100/s0048_rotate_image) [Kotlin](src/main/kotlin/g0001_0100/s0048_rotate_image) [TypeScript](src/main/ts/g0001_0100/s0048_rotate_image) [Scala](src/main/scala/g0001_0100/s0048_rotate_image) [Ruby](src/main/ruby/g0001_0100/s0048_rotate_image) [PHP](src/main/php/g0001_0100/s0048_rotate_image) [C#](src/main/csharp/g0001_0100/s0048_rotate_image) [Go](src/main/go/g0001_0100/s0048_rotate_image) [Cpp](src/main/cpp/g0001_0100/s0048_rotate_image) [Python](src/main/python/g0001_0100/s0048_rotate_image) [Swift](src/main/swift/g0001_0100/s0048_rotate_image) [Elixir](src/main/elixir/g0001_0100/s0048_rotate_image) [Rust](src/main/rust/g0001_0100/s0048_rotate_image) [Dart](src/main/dart/g0001_0100/s0048_rotate_image) [C](src/main/c/g0001_0100/s0048_rotate_image)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Math, Matrix, Big_O_Time_O(n^2)_Space_O(1) | 0 | 100.00

| 0073 |Set Matrix Zeroes| [Java](src/main/java/g0001_0100/s0073_set_matrix_zeroes) [Kotlin](src/main/kotlin/g0001_0100/s0073_set_matrix_zeroes) [TypeScript](src/main/ts/g0001_0100/s0073_set_matrix_zeroes) [Scala](src/main/scala/g0001_0100/s0073_set_matrix_zeroes) [Ruby](src/main/ruby/g0001_0100/s0073_set_matrix_zeroes) [PHP](src/main/php/g0001_0100/s0073_set_matrix_zeroes) [C#](src/main/csharp/g0001_0100/s0073_set_matrix_zeroes) [Go](src/main/go/g0001_0100/s0073_set_matrix_zeroes) [Cpp](src/main/cpp/g0001_0100/s0073_set_matrix_zeroes) [Python](src/main/python/g0001_0100/s0073_set_matrix_zeroes) [Swift](src/main/swift/g0001_0100/s0073_set_matrix_zeroes) [Elixir](src/main/elixir/g0001_0100/s0073_set_matrix_zeroes) [Rust](src/main/rust/g0001_0100/s0073_set_matrix_zeroes) [Dart](src/main/dart/g0001_0100/s0073_set_matrix_zeroes) [C](src/main/c/g0001_0100/s0073_set_matrix_zeroes)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Matrix, Big_O_Time_O(m\*n)_Space_O(1) | 0 | 100.00

| 0056 |Merge Intervals| [Java](src/main/java/g0001_0100/s0056_merge_intervals) [Kotlin](src/main/kotlin/g0001_0100/s0056_merge_intervals) [TypeScript](src/main/ts/g0001_0100/s0056_merge_intervals) [Scala](src/main/scala/g0001_0100/s0056_merge_intervals) [Ruby](src/main/ruby/g0001_0100/s0056_merge_intervals) [PHP](src/main/php/g0001_0100/s0056_merge_intervals) [C#](src/main/csharp/g0001_0100/s0056_merge_intervals) [Go](src/main/go/g0001_0100/s0056_merge_intervals) [Cpp](src/main/cpp/g0001_0100/s0056_merge_intervals) [Python](src/main/python/g0001_0100/s0056_merge_intervals) [Swift](src/main/swift/g0001_0100/s0056_merge_intervals) [Elixir](src/main/elixir/g0001_0100/s0056_merge_intervals) [Rust](src/main/rust/g0001_0100/s0056_merge_intervals) [Dart](src/main/dart/g0001_0100/s0056_merge_intervals) [C](src/main/c/g0001_0100/s0056_merge_intervals)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Sorting, Big_O_Time_O(n_log_n)_Space_O(n) | 7 | 98.37

#### Udemy Linked List

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0114 |Flatten Binary Tree to Linked List| [Java](src/main/java/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Kotlin](src/main/kotlin/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [TypeScript](src/main/ts/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Scala](src/main/scala/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Ruby](src/main/ruby/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [PHP](src/main/php/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [C#](src/main/csharp/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Go](src/main/go/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Cpp](src/main/cpp/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Python](src/main/python/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Swift](src/main/swift/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Elixir](src/main/elixir/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Rust](src/main/rust/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Dart](src/main/dart/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [C](src/main/c/g0101_0200/s0114_flatten_binary_tree_to_linked_list)| Medium | Top_100_Liked_Questions, Depth_First_Search, Tree, Binary_Tree, Stack, Linked_List, Big_O_Time_O(N)_Space_O(N) | 0 | 100.00

| 0024 |Swap Nodes in Pairs| [Java](src/main/java/g0001_0100/s0024_swap_nodes_in_pairs) [Kotlin](src/main/kotlin/g0001_0100/s0024_swap_nodes_in_pairs) [TypeScript](src/main/ts/g0001_0100/s0024_swap_nodes_in_pairs) [Scala](src/main/scala/g0001_0100/s0024_swap_nodes_in_pairs) [Ruby](src/main/ruby/g0001_0100/s0024_swap_nodes_in_pairs) [PHP](src/main/php/g0001_0100/s0024_swap_nodes_in_pairs) [C#](src/main/csharp/g0001_0100/s0024_swap_nodes_in_pairs) [Go](src/main/go/g0001_0100/s0024_swap_nodes_in_pairs) [Cpp](src/main/cpp/g0001_0100/s0024_swap_nodes_in_pairs) [Python](src/main/python/g0001_0100/s0024_swap_nodes_in_pairs) [Swift](src/main/swift/g0001_0100/s0024_swap_nodes_in_pairs) [Elixir](src/main/elixir/g0001_0100/s0024_swap_nodes_in_pairs) [Rust](src/main/rust/g0001_0100/s0024_swap_nodes_in_pairs) [Dart](src/main/dart/g0001_0100/s0024_swap_nodes_in_pairs) [C](src/main/c/g0001_0100/s0024_swap_nodes_in_pairs)| Medium | Top_100_Liked_Questions, Linked_List, Recursion, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

| 0142 |Linked List Cycle II| [Java](src/main/java/g0101_0200/s0142_linked_list_cycle_ii) [Kotlin](src/main/kotlin/g0101_0200/s0142_linked_list_cycle_ii) [TypeScript](src/main/ts/g0101_0200/s0142_linked_list_cycle_ii) [Scala](src/main/scala/g0101_0200/s0142_linked_list_cycle_ii) [Ruby](src/main/ruby/g0101_0200/s0142_linked_list_cycle_ii) [PHP](src/main/php/g0101_0200/s0142_linked_list_cycle_ii) [C#](src/main/csharp/g0101_0200/s0142_linked_list_cycle_ii) [Go](src/main/go/g0101_0200/s0142_linked_list_cycle_ii) [Cpp](src/main/cpp/g0101_0200/s0142_linked_list_cycle_ii) [Python](src/main/python/g0101_0200/s0142_linked_list_cycle_ii) [Swift](src/main/swift/g0101_0200/s0142_linked_list_cycle_ii) [Elixir](src/main/elixir/g0101_0200/s0142_linked_list_cycle_ii) [Rust](src/main/rust/g0101_0200/s0142_linked_list_cycle_ii) [Dart](src/main/dart/g0101_0200/s0142_linked_list_cycle_ii) [C](src/main/c/g0101_0200/s0142_linked_list_cycle_ii)| Medium | Top_100_Liked_Questions, Hash_Table, Two_Pointers, Linked_List, Big_O_Time_O(N)_Space_O(1) | 0 | 100.00

| 0141 |Linked List Cycle| [Java](src/main/java/g0101_0200/s0141_linked_list_cycle) [Kotlin](src/main/kotlin/g0101_0200/s0141_linked_list_cycle) [TypeScript](src/main/ts/g0101_0200/s0141_linked_list_cycle) [Scala](src/main/scala/g0101_0200/s0141_linked_list_cycle) [Ruby](src/main/ruby/g0101_0200/s0141_linked_list_cycle) [PHP](src/main/php/g0101_0200/s0141_linked_list_cycle) [C#](src/main/csharp/g0101_0200/s0141_linked_list_cycle) [Go](src/main/go/g0101_0200/s0141_linked_list_cycle) [Cpp](src/main/cpp/g0101_0200/s0141_linked_list_cycle) [Python](src/main/python/g0101_0200/s0141_linked_list_cycle) [Swift](src/main/swift/g0101_0200/s0141_linked_list_cycle) [Elixir](src/main/elixir/g0101_0200/s0141_linked_list_cycle) [Rust](src/main/rust/g0101_0200/s0141_linked_list_cycle) [Dart](src/main/dart/g0101_0200/s0141_linked_list_cycle) [C](src/main/c/g0101_0200/s0141_linked_list_cycle)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Two_Pointers, Linked_List, Big_O_Time_O(N)_Space_O(1) | 0 | 100.00

| 0206 |Reverse Linked List| [Java](src/main/java/g0201_0300/s0206_reverse_linked_list) [Kotlin](src/main/kotlin/g0201_0300/s0206_reverse_linked_list) [TypeScript](src/main/ts/g0201_0300/s0206_reverse_linked_list) [Scala](src/main/scala/g0201_0300/s0206_reverse_linked_list) [Ruby](src/main/ruby/g0201_0300/s0206_reverse_linked_list) [PHP](src/main/php/g0201_0300/s0206_reverse_linked_list) [C#](src/main/csharp/g0201_0300/s0206_reverse_linked_list) [Go](src/main/go/g0201_0300/s0206_reverse_linked_list) [Cpp](src/main/cpp/g0201_0300/s0206_reverse_linked_list) [Python](src/main/python/g0201_0300/s0206_reverse_linked_list) [Swift](src/main/swift/g0201_0300/s0206_reverse_linked_list) [Elixir](src/main/elixir/g0201_0300/s0206_reverse_linked_list) [Rust](src/main/rust/g0201_0300/s0206_reverse_linked_list) [Dart](src/main/dart/g0201_0300/s0206_reverse_linked_list) [C](src/main/c/g0201_0300/s0206_reverse_linked_list)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Linked_List, Recursion, Big_O_Time_O(N)_Space_O(1) | 0 | 100.00

| 0021 |Merge Two Sorted Lists| [Java](src/main/java/g0001_0100/s0021_merge_two_sorted_lists) [Kotlin](src/main/kotlin/g0001_0100/s0021_merge_two_sorted_lists) [TypeScript](src/main/ts/g0001_0100/s0021_merge_two_sorted_lists) [Scala](src/main/scala/g0001_0100/s0021_merge_two_sorted_lists) [Ruby](src/main/ruby/g0001_0100/s0021_merge_two_sorted_lists) [PHP](src/main/php/g0001_0100/s0021_merge_two_sorted_lists) [C#](src/main/csharp/g0001_0100/s0021_merge_two_sorted_lists) [Go](src/main/go/g0001_0100/s0021_merge_two_sorted_lists) [Cpp](src/main/cpp/g0001_0100/s0021_merge_two_sorted_lists) [Python](src/main/python/g0001_0100/s0021_merge_two_sorted_lists) [Swift](src/main/swift/g0001_0100/s0021_merge_two_sorted_lists) [Elixir](src/main/elixir/g0001_0100/s0021_merge_two_sorted_lists) [Rust](src/main/rust/g0001_0100/s0021_merge_two_sorted_lists) [Dart](src/main/dart/g0001_0100/s0021_merge_two_sorted_lists) [C](src/main/c/g0001_0100/s0021_merge_two_sorted_lists)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Linked_List, Recursion, Big_O_Time_O(m+n)_Space_O(m+n) | 0 | 100.00

| 0160 |Intersection of Two Linked Lists| [Java](src/main/java/g0101_0200/s0160_intersection_of_two_linked_lists) [Kotlin](src/main/kotlin/g0101_0200/s0160_intersection_of_two_linked_lists) [TypeScript](src/main/ts/g0101_0200/s0160_intersection_of_two_linked_lists) [Scala](src/main/scala/g0101_0200/s0160_intersection_of_two_linked_lists) [Ruby](src/main/ruby/g0101_0200/s0160_intersection_of_two_linked_lists) [PHP](src/main/php/g0101_0200/s0160_intersection_of_two_linked_lists) [C#](src/main/csharp/g0101_0200/s0160_intersection_of_two_linked_lists) [Go](src/main/go/g0101_0200/s0160_intersection_of_two_linked_lists) [Cpp](src/main/cpp/g0101_0200/s0160_intersection_of_two_linked_lists) [Python](src/main/python/g0101_0200/s0160_intersection_of_two_linked_lists) [Swift](src/main/swift/g0101_0200/s0160_intersection_of_two_linked_lists) [Elixir](src/main/elixir/g0101_0200/s0160_intersection_of_two_linked_lists) [Rust](src/main/rust/g0101_0200/s0160_intersection_of_two_linked_lists) [Dart](src/main/dart/g0101_0200/s0160_intersection_of_two_linked_lists) [C](src/main/c/g0101_0200/s0160_intersection_of_two_linked_lists)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Two_Pointers, Linked_List, Big_O_Time_O(M+N)_Space_O(1) | 1 | 99.92

| 0234 |Palindrome Linked List| [Java](src/main/java/g0201_0300/s0234_palindrome_linked_list) [Kotlin](src/main/kotlin/g0201_0300/s0234_palindrome_linked_list) [TypeScript](src/main/ts/g0201_0300/s0234_palindrome_linked_list) [Scala](src/main/scala/g0201_0300/s0234_palindrome_linked_list) [Ruby](src/main/ruby/g0201_0300/s0234_palindrome_linked_list) [PHP](src/main/php/g0201_0300/s0234_palindrome_linked_list) [C#](src/main/csharp/g0201_0300/s0234_palindrome_linked_list) [Go](src/main/go/g0201_0300/s0234_palindrome_linked_list) [Cpp](src/main/cpp/g0201_0300/s0234_palindrome_linked_list) [Python](src/main/python/g0201_0300/s0234_palindrome_linked_list) [Swift](src/main/swift/g0201_0300/s0234_palindrome_linked_list) [Elixir](src/main/elixir/g0201_0300/s0234_palindrome_linked_list) [Rust](src/main/rust/g0201_0300/s0234_palindrome_linked_list) [Dart](src/main/dart/g0201_0300/s0234_palindrome_linked_list) [C](src/main/c/g0201_0300/s0234_palindrome_linked_list)| Easy | Top_100_Liked_Questions, Two_Pointers, Stack, Linked_List, Recursion, Big_O_Time_O(n)_Space_O(1) | 4 | 84.46

| 0138 |Copy List with Random Pointer| [Java](src/main/java/g0101_0200/s0138_copy_list_with_random_pointer) [Kotlin](src/main/kotlin/g0101_0200/s0138_copy_list_with_random_pointer) [TypeScript](src/main/ts/g0101_0200/s0138_copy_list_with_random_pointer) [Scala](src/main/scala/g0101_0200/s0138_copy_list_with_random_pointer) [Ruby](src/main/ruby/g0101_0200/s0138_copy_list_with_random_pointer) [PHP](src/main/php/g0101_0200/s0138_copy_list_with_random_pointer) [C#](src/main/csharp/g0101_0200/s0138_copy_list_with_random_pointer) [Go](src/main/go/g0101_0200/s0138_copy_list_with_random_pointer) [Cpp](src/main/cpp/g0101_0200/s0138_copy_list_with_random_pointer) [Python](src/main/python/g0101_0200/s0138_copy_list_with_random_pointer) [Swift](src/main/swift/g0101_0200/s0138_copy_list_with_random_pointer) [Elixir](src/main/elixir/g0101_0200/s0138_copy_list_with_random_pointer) [Rust](src/main/rust/g0101_0200/s0138_copy_list_with_random_pointer) [Dart](src/main/dart/g0101_0200/s0138_copy_list_with_random_pointer) [C](src/main/c/g0101_0200/s0138_copy_list_with_random_pointer)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Linked_List, Big_O_Time_O(N)_Space_O(N) | 0 | 100.00

| 0025 |Reverse Nodes in k-Group| [Java](src/main/java/g0001_0100/s0025_reverse_nodes_in_k_group) [Kotlin](src/main/kotlin/g0001_0100/s0025_reverse_nodes_in_k_group) [TypeScript](src/main/ts/g0001_0100/s0025_reverse_nodes_in_k_group) [Scala](src/main/scala/g0001_0100/s0025_reverse_nodes_in_k_group) [Ruby](src/main/ruby/g0001_0100/s0025_reverse_nodes_in_k_group) [PHP](src/main/php/g0001_0100/s0025_reverse_nodes_in_k_group) [C#](src/main/csharp/g0001_0100/s0025_reverse_nodes_in_k_group) [Go](src/main/go/g0001_0100/s0025_reverse_nodes_in_k_group) [Cpp](src/main/cpp/g0001_0100/s0025_reverse_nodes_in_k_group) [Python](src/main/python/g0001_0100/s0025_reverse_nodes_in_k_group) [Swift](src/main/swift/g0001_0100/s0025_reverse_nodes_in_k_group) [Elixir](src/main/elixir/g0001_0100/s0025_reverse_nodes_in_k_group) [Rust](src/main/rust/g0001_0100/s0025_reverse_nodes_in_k_group) [Dart](src/main/dart/g0001_0100/s0025_reverse_nodes_in_k_group) [C](src/main/c/g0001_0100/s0025_reverse_nodes_in_k_group)| Hard | Top_100_Liked_Questions, Linked_List, Recursion, Big_O_Time_O(n)_Space_O(k) | 0 | 100.00

| 0146 |LRU Cache| [Java](src/main/java/g0101_0200/s0146_lru_cache) [Kotlin](src/main/kotlin/g0101_0200/s0146_lru_cache) [TypeScript](src/main/ts/g0101_0200/s0146_lru_cache) [Scala](src/main/scala/g0101_0200/s0146_lru_cache) [Ruby](src/main/ruby/g0101_0200/s0146_lru_cache) [PHP](src/main/php/g0101_0200/s0146_lru_cache) [C#](src/main/csharp/g0101_0200/s0146_lru_cache) [Go](src/main/go/g0101_0200/s0146_lru_cache) [Cpp](src/main/cpp/g0101_0200/s0146_lru_cache) [Python](src/main/python/g0101_0200/s0146_lru_cache) [Swift](src/main/swift/g0101_0200/s0146_lru_cache) [Elixir](src/main/elixir/g0101_0200/s0146_lru_cache) [Rust](src/main/rust/g0101_0200/s0146_lru_cache) [Dart](src/main/dart/g0101_0200/s0146_lru_cache) [C](src/main/c/g0101_0200/s0146_lru_cache)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Design, Linked_List, Doubly_Linked_List, Big_O_Time_O(1)_Space_O(capacity) | 40 | 98.20

#### Udemy Tree Stack Queue

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0094 |Binary Tree Inorder Traversal| [Java](src/main/java/g0001_0100/s0094_binary_tree_inorder_traversal) [Kotlin](src/main/kotlin/g0001_0100/s0094_binary_tree_inorder_traversal) [TypeScript](src/main/ts/g0001_0100/s0094_binary_tree_inorder_traversal) [Scala](src/main/scala/g0001_0100/s0094_binary_tree_inorder_traversal) [Ruby](src/main/ruby/g0001_0100/s0094_binary_tree_inorder_traversal) [PHP](src/main/php/g0001_0100/s0094_binary_tree_inorder_traversal) [C#](src/main/csharp/g0001_0100/s0094_binary_tree_inorder_traversal) [Go](src/main/go/g0001_0100/s0094_binary_tree_inorder_traversal) [Cpp](src/main/cpp/g0001_0100/s0094_binary_tree_inorder_traversal) [Python](src/main/python/g0001_0100/s0094_binary_tree_inorder_traversal) [Swift](src/main/swift/g0001_0100/s0094_binary_tree_inorder_traversal) [Elixir](src/main/elixir/g0001_0100/s0094_binary_tree_inorder_traversal) [Rust](src/main/rust/g0001_0100/s0094_binary_tree_inorder_traversal) [Dart](src/main/dart/g0001_0100/s0094_binary_tree_inorder_traversal) [C](src/main/c/g0001_0100/s0094_binary_tree_inorder_traversal)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Tree, Binary_Tree, Stack, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0102 |Binary Tree Level Order Traversal| [Java](src/main/java/g0101_0200/s0102_binary_tree_level_order_traversal) [Kotlin](src/main/kotlin/g0101_0200/s0102_binary_tree_level_order_traversal) [TypeScript](src/main/ts/g0101_0200/s0102_binary_tree_level_order_traversal) [Scala](src/main/scala/g0101_0200/s0102_binary_tree_level_order_traversal) [Ruby](src/main/ruby/g0101_0200/s0102_binary_tree_level_order_traversal) [PHP](src/main/php/g0101_0200/s0102_binary_tree_level_order_traversal) [C#](src/main/csharp/g0101_0200/s0102_binary_tree_level_order_traversal) [Go](src/main/go/g0101_0200/s0102_binary_tree_level_order_traversal) [Cpp](src/main/cpp/g0101_0200/s0102_binary_tree_level_order_traversal) [Python](src/main/python/g0101_0200/s0102_binary_tree_level_order_traversal) [Swift](src/main/swift/g0101_0200/s0102_binary_tree_level_order_traversal) [Elixir](src/main/elixir/g0101_0200/s0102_binary_tree_level_order_traversal) [Rust](src/main/rust/g0101_0200/s0102_binary_tree_level_order_traversal) [Dart](src/main/dart/g0101_0200/s0102_binary_tree_level_order_traversal) [C](src/main/c/g0101_0200/s0102_binary_tree_level_order_traversal)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Breadth_First_Search, Tree, Binary_Tree, Big_O_Time_O(N)_Space_O(N) | 1 | 91.19

| 0543 |Diameter of Binary Tree| [Java](src/main/java/g0501_0600/s0543_diameter_of_binary_tree) [Kotlin](src/main/kotlin/g0501_0600/s0543_diameter_of_binary_tree) [TypeScript](src/main/ts/g0501_0600/s0543_diameter_of_binary_tree) [Scala](src/main/scala/g0501_0600/s0543_diameter_of_binary_tree) [Ruby](src/main/ruby/g0501_0600/s0543_diameter_of_binary_tree) [PHP](src/main/php/g0501_0600/s0543_diameter_of_binary_tree) [C#](src/main/csharp/g0501_0600/s0543_diameter_of_binary_tree) [Go](src/main/go/g0501_0600/s0543_diameter_of_binary_tree) [Cpp](src/main/cpp/g0501_0600/s0543_diameter_of_binary_tree) [Python](src/main/python/g0501_0600/s0543_diameter_of_binary_tree) [Swift](src/main/swift/g0501_0600/s0543_diameter_of_binary_tree) [Elixir](src/main/elixir/g0501_0600/s0543_diameter_of_binary_tree) [Rust](src/main/rust/g0501_0600/s0543_diameter_of_binary_tree) [Dart](src/main/dart/g0501_0600/s0543_diameter_of_binary_tree) [C](src/main/c/g0501_0600/s0543_diameter_of_binary_tree)| Easy | Top_100_Liked_Questions, Depth_First_Search, Tree, Binary_Tree, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0226 |Invert Binary Tree| [Java](src/main/java/g0201_0300/s0226_invert_binary_tree) [Kotlin](src/main/kotlin/g0201_0300/s0226_invert_binary_tree) [TypeScript](src/main/ts/g0201_0300/s0226_invert_binary_tree) [Scala](src/main/scala/g0201_0300/s0226_invert_binary_tree) [Ruby](src/main/ruby/g0201_0300/s0226_invert_binary_tree) [PHP](src/main/php/g0201_0300/s0226_invert_binary_tree) [C#](src/main/csharp/g0201_0300/s0226_invert_binary_tree) [Go](src/main/go/g0201_0300/s0226_invert_binary_tree) [Cpp](src/main/cpp/g0201_0300/s0226_invert_binary_tree) [Python](src/main/python/g0201_0300/s0226_invert_binary_tree) [Swift](src/main/swift/g0201_0300/s0226_invert_binary_tree) [Elixir](src/main/elixir/g0201_0300/s0226_invert_binary_tree) [Rust](src/main/rust/g0201_0300/s0226_invert_binary_tree) [Dart](src/main/dart/g0201_0300/s0226_invert_binary_tree) [C](src/main/c/g0201_0300/s0226_invert_binary_tree)| Easy | Top_100_Liked_Questions, Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0104 |Maximum Depth of Binary Tree| [Java](src/main/java/g0101_0200/s0104_maximum_depth_of_binary_tree) [Kotlin](src/main/kotlin/g0101_0200/s0104_maximum_depth_of_binary_tree) [TypeScript](src/main/ts/g0101_0200/s0104_maximum_depth_of_binary_tree) [Scala](src/main/scala/g0101_0200/s0104_maximum_depth_of_binary_tree) [Ruby](src/main/ruby/g0101_0200/s0104_maximum_depth_of_binary_tree) [PHP](src/main/php/g0101_0200/s0104_maximum_depth_of_binary_tree) [C#](src/main/csharp/g0101_0200/s0104_maximum_depth_of_binary_tree) [Go](src/main/go/g0101_0200/s0104_maximum_depth_of_binary_tree) [Cpp](src/main/cpp/g0101_0200/s0104_maximum_depth_of_binary_tree) [Python](src/main/python/g0101_0200/s0104_maximum_depth_of_binary_tree) [Swift](src/main/swift/g0101_0200/s0104_maximum_depth_of_binary_tree) [Elixir](src/main/elixir/g0101_0200/s0104_maximum_depth_of_binary_tree) [Rust](src/main/rust/g0101_0200/s0104_maximum_depth_of_binary_tree) [Dart](src/main/dart/g0101_0200/s0104_maximum_depth_of_binary_tree) [C](src/main/c/g0101_0200/s0104_maximum_depth_of_binary_tree)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Big_O_Time_O(N)_Space_O(H) | 0 | 100.00

| 0124 |Binary Tree Maximum Path Sum| [Java](src/main/java/g0101_0200/s0124_binary_tree_maximum_path_sum) [Kotlin](src/main/kotlin/g0101_0200/s0124_binary_tree_maximum_path_sum) [TypeScript](src/main/ts/g0101_0200/s0124_binary_tree_maximum_path_sum) [Scala](src/main/scala/g0101_0200/s0124_binary_tree_maximum_path_sum) [Ruby](src/main/ruby/g0101_0200/s0124_binary_tree_maximum_path_sum) [PHP](src/main/php/g0101_0200/s0124_binary_tree_maximum_path_sum) [C#](src/main/csharp/g0101_0200/s0124_binary_tree_maximum_path_sum) [Go](src/main/go/g0101_0200/s0124_binary_tree_maximum_path_sum) [Cpp](src/main/cpp/g0101_0200/s0124_binary_tree_maximum_path_sum) [Python](src/main/python/g0101_0200/s0124_binary_tree_maximum_path_sum) [Swift](src/main/swift/g0101_0200/s0124_binary_tree_maximum_path_sum) [Elixir](src/main/elixir/g0101_0200/s0124_binary_tree_maximum_path_sum) [Rust](src/main/rust/g0101_0200/s0124_binary_tree_maximum_path_sum) [Dart](src/main/dart/g0101_0200/s0124_binary_tree_maximum_path_sum) [C](src/main/c/g0101_0200/s0124_binary_tree_maximum_path_sum)| Hard | Top_100_Liked_Questions, Top_Interview_Questions, Dynamic_Programming, Depth_First_Search, Tree, Binary_Tree, Big_O_Time_O(N)_Space_O(N) | 0 | 100.00

| 0098 |Validate Binary Search Tree| [Java](src/main/java/g0001_0100/s0098_validate_binary_search_tree) [Kotlin](src/main/kotlin/g0001_0100/s0098_validate_binary_search_tree) [TypeScript](src/main/ts/g0001_0100/s0098_validate_binary_search_tree) [Scala](src/main/scala/g0001_0100/s0098_validate_binary_search_tree) [Ruby](src/main/ruby/g0001_0100/s0098_validate_binary_search_tree) [PHP](src/main/php/g0001_0100/s0098_validate_binary_search_tree) [C#](src/main/csharp/g0001_0100/s0098_validate_binary_search_tree) [Go](src/main/go/g0001_0100/s0098_validate_binary_search_tree) [Cpp](src/main/cpp/g0001_0100/s0098_validate_binary_search_tree) [Python](src/main/python/g0001_0100/s0098_validate_binary_search_tree) [Swift](src/main/swift/g0001_0100/s0098_validate_binary_search_tree) [Elixir](src/main/elixir/g0001_0100/s0098_validate_binary_search_tree) [Rust](src/main/rust/g0001_0100/s0098_validate_binary_search_tree) [Dart](src/main/dart/g0001_0100/s0098_validate_binary_search_tree) [C](src/main/c/g0001_0100/s0098_validate_binary_search_tree)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Tree, Binary_Tree, Binary_Search_Tree, Big_O_Time_O(N)_Space_O(log(N)) | 0 | 100.00

| 0236 |Lowest Common Ancestor of a Binary Tree| [Java](src/main/java/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Kotlin](src/main/kotlin/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [TypeScript](src/main/ts/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Scala](src/main/scala/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Ruby](src/main/ruby/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [PHP](src/main/php/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [C#](src/main/csharp/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Go](src/main/go/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Cpp](src/main/cpp/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Python](src/main/python/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Swift](src/main/swift/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Elixir](src/main/elixir/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Rust](src/main/rust/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Dart](src/main/dart/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [C](src/main/c/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree)| Medium | Top_100_Liked_Questions, Depth_First_Search, Tree, Binary_Tree, Big_O_Time_O(n)_Space_O(n) | 6 | 100.00

#### Udemy Trie and Heap

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0208 |Implement Trie (Prefix Tree)| [Java](src/main/java/g0201_0300/s0208_implement_trie_prefix_tree) [Kotlin](src/main/kotlin/g0201_0300/s0208_implement_trie_prefix_tree) [TypeScript](src/main/ts/g0201_0300/s0208_implement_trie_prefix_tree) [Scala](src/main/scala/g0201_0300/s0208_implement_trie_prefix_tree) [Ruby](src/main/ruby/g0201_0300/s0208_implement_trie_prefix_tree) [PHP](src/main/php/g0201_0300/s0208_implement_trie_prefix_tree) [C#](src/main/csharp/g0201_0300/s0208_implement_trie_prefix_tree) [Go](src/main/go/g0201_0300/s0208_implement_trie_prefix_tree) [Cpp](src/main/cpp/g0201_0300/s0208_implement_trie_prefix_tree) [Python](src/main/python/g0201_0300/s0208_implement_trie_prefix_tree) [Swift](src/main/swift/g0201_0300/s0208_implement_trie_prefix_tree) [Elixir](src/main/elixir/g0201_0300/s0208_implement_trie_prefix_tree) [Rust](src/main/rust/g0201_0300/s0208_implement_trie_prefix_tree) [Dart](src/main/dart/g0201_0300/s0208_implement_trie_prefix_tree) [C](src/main/c/g0201_0300/s0208_implement_trie_prefix_tree)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Design, Trie, Big_O_Time_O(word.length())_or_O(prefix.length())_Space_O(N) | 32 | 95.05

#### Udemy Graph

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0200 |Number of Islands| [Java](src/main/java/g0101_0200/s0200_number_of_islands) [Kotlin](src/main/kotlin/g0101_0200/s0200_number_of_islands) [TypeScript](src/main/ts/g0101_0200/s0200_number_of_islands) [Scala](src/main/scala/g0101_0200/s0200_number_of_islands) [Ruby](src/main/ruby/g0101_0200/s0200_number_of_islands) [PHP](src/main/php/g0101_0200/s0200_number_of_islands) [C#](src/main/csharp/g0101_0200/s0200_number_of_islands) [Go](src/main/go/g0101_0200/s0200_number_of_islands) [Cpp](src/main/cpp/g0101_0200/s0200_number_of_islands) [Python](src/main/python/g0101_0200/s0200_number_of_islands) [Swift](src/main/swift/g0101_0200/s0200_number_of_islands) [Elixir](src/main/elixir/g0101_0200/s0200_number_of_islands) [Rust](src/main/rust/g0101_0200/s0200_number_of_islands) [Dart](src/main/dart/g0101_0200/s0200_number_of_islands) [C](src/main/c/g0101_0200/s0200_number_of_islands)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find, Big_O_Time_O(M\*N)_Space_O(M\*N) | 3 | 87.24

#### Udemy Dynamic Programming

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0139 |Word Break| [Java](src/main/java/g0101_0200/s0139_word_break) [Kotlin](src/main/kotlin/g0101_0200/s0139_word_break) [TypeScript](src/main/ts/g0101_0200/s0139_word_break) [Scala](src/main/scala/g0101_0200/s0139_word_break) [Ruby](src/main/ruby/g0101_0200/s0139_word_break) [PHP](src/main/php/g0101_0200/s0139_word_break) [C#](src/main/csharp/g0101_0200/s0139_word_break) [Go](src/main/go/g0101_0200/s0139_word_break) [Cpp](src/main/cpp/g0101_0200/s0139_word_break) [Python](src/main/python/g0101_0200/s0139_word_break) [Swift](src/main/swift/g0101_0200/s0139_word_break) [Elixir](src/main/elixir/g0101_0200/s0139_word_break) [Rust](src/main/rust/g0101_0200/s0139_word_break) [Dart](src/main/dart/g0101_0200/s0139_word_break) [C](src/main/c/g0101_0200/s0139_word_break)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Dynamic_Programming, Trie, Memoization, Big_O_Time_O(M+max\*N)_Space_O(M+N+max) | 1 | 99.42

| 0152 |Maximum Product Subarray| [Java](src/main/java/g0101_0200/s0152_maximum_product_subarray) [Kotlin](src/main/kotlin/g0101_0200/s0152_maximum_product_subarray) [TypeScript](src/main/ts/g0101_0200/s0152_maximum_product_subarray) [Scala](src/main/scala/g0101_0200/s0152_maximum_product_subarray) [Ruby](src/main/ruby/g0101_0200/s0152_maximum_product_subarray) [PHP](src/main/php/g0101_0200/s0152_maximum_product_subarray) [C#](src/main/csharp/g0101_0200/s0152_maximum_product_subarray) [Go](src/main/go/g0101_0200/s0152_maximum_product_subarray) [Cpp](src/main/cpp/g0101_0200/s0152_maximum_product_subarray) [Python](src/main/python/g0101_0200/s0152_maximum_product_subarray) [Swift](src/main/swift/g0101_0200/s0152_maximum_product_subarray) [Elixir](src/main/elixir/g0101_0200/s0152_maximum_product_subarray) [Rust](src/main/rust/g0101_0200/s0152_maximum_product_subarray) [Dart](src/main/dart/g0101_0200/s0152_maximum_product_subarray) [C](src/main/c/g0101_0200/s0152_maximum_product_subarray)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Big_O_Time_O(N)_Space_O(1) | 1 | 92.74

| 0198 |House Robber| [Java](src/main/java/g0101_0200/s0198_house_robber) [Kotlin](src/main/kotlin/g0101_0200/s0198_house_robber) [TypeScript](src/main/ts/g0101_0200/s0198_house_robber) [Scala](src/main/scala/g0101_0200/s0198_house_robber) [Ruby](src/main/ruby/g0101_0200/s0198_house_robber) [PHP](src/main/php/g0101_0200/s0198_house_robber) [C#](src/main/csharp/g0101_0200/s0198_house_robber) [Go](src/main/go/g0101_0200/s0198_house_robber) [Cpp](src/main/cpp/g0101_0200/s0198_house_robber) [Python](src/main/python/g0101_0200/s0198_house_robber) [Swift](src/main/swift/g0101_0200/s0198_house_robber) [Elixir](src/main/elixir/g0101_0200/s0198_house_robber) [Rust](src/main/rust/g0101_0200/s0198_house_robber) [Dart](src/main/dart/g0101_0200/s0198_house_robber) [C](src/main/c/g0101_0200/s0198_house_robber)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0070 |Climbing Stairs| [Java](src/main/java/g0001_0100/s0070_climbing_stairs) [Kotlin](src/main/kotlin/g0001_0100/s0070_climbing_stairs) [TypeScript](src/main/ts/g0001_0100/s0070_climbing_stairs) [Scala](src/main/scala/g0001_0100/s0070_climbing_stairs) [Ruby](src/main/ruby/g0001_0100/s0070_climbing_stairs) [PHP](src/main/php/g0001_0100/s0070_climbing_stairs) [C#](src/main/csharp/g0001_0100/s0070_climbing_stairs) [Go](src/main/go/g0001_0100/s0070_climbing_stairs) [Cpp](src/main/cpp/g0001_0100/s0070_climbing_stairs) [Python](src/main/python/g0001_0100/s0070_climbing_stairs) [Swift](src/main/swift/g0001_0100/s0070_climbing_stairs) [Elixir](src/main/elixir/g0001_0100/s0070_climbing_stairs) [Rust](src/main/rust/g0001_0100/s0070_climbing_stairs) [Dart](src/main/dart/g0001_0100/s0070_climbing_stairs) [C](src/main/c/g0001_0100/s0070_climbing_stairs)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Dynamic_Programming, Math, Memoization, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0064 |Minimum Path Sum| [Java](src/main/java/g0001_0100/s0064_minimum_path_sum) [Kotlin](src/main/kotlin/g0001_0100/s0064_minimum_path_sum) [TypeScript](src/main/ts/g0001_0100/s0064_minimum_path_sum) [Scala](src/main/scala/g0001_0100/s0064_minimum_path_sum) [Ruby](src/main/ruby/g0001_0100/s0064_minimum_path_sum) [PHP](src/main/php/g0001_0100/s0064_minimum_path_sum) [C#](src/main/csharp/g0001_0100/s0064_minimum_path_sum) [Go](src/main/go/g0001_0100/s0064_minimum_path_sum) [Cpp](src/main/cpp/g0001_0100/s0064_minimum_path_sum) [Python](src/main/python/g0001_0100/s0064_minimum_path_sum) [Swift](src/main/swift/g0001_0100/s0064_minimum_path_sum) [Elixir](src/main/elixir/g0001_0100/s0064_minimum_path_sum) [Rust](src/main/rust/g0001_0100/s0064_minimum_path_sum) [Dart](src/main/dart/g0001_0100/s0064_minimum_path_sum) [C](src/main/c/g0001_0100/s0064_minimum_path_sum)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Matrix, Big_O_Time_O(m\*n)_Space_O(m\*n) | 1 | 99.73

| 0300 |Longest Increasing Subsequence| [Java](src/main/java/g0201_0300/s0300_longest_increasing_subsequence) [Kotlin](src/main/kotlin/g0201_0300/s0300_longest_increasing_subsequence) [TypeScript](src/main/ts/g0201_0300/s0300_longest_increasing_subsequence) [Scala](src/main/scala/g0201_0300/s0300_longest_increasing_subsequence) [Ruby](src/main/ruby/g0201_0300/s0300_longest_increasing_subsequence) [PHP](src/main/php/g0201_0300/s0300_longest_increasing_subsequence) [C#](src/main/csharp/g0201_0300/s0300_longest_increasing_subsequence) [Go](src/main/go/g0201_0300/s0300_longest_increasing_subsequence) [Cpp](src/main/cpp/g0201_0300/s0300_longest_increasing_subsequence) [Python](src/main/python/g0201_0300/s0300_longest_increasing_subsequence) [Swift](src/main/swift/g0201_0300/s0300_longest_increasing_subsequence) [Elixir](src/main/elixir/g0201_0300/s0300_longest_increasing_subsequence) [Rust](src/main/rust/g0201_0300/s0300_longest_increasing_subsequence) [Dart](src/main/dart/g0201_0300/s0300_longest_increasing_subsequence) [C](src/main/c/g0201_0300/s0300_longest_increasing_subsequence)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Binary_Search, Big_O_Time_O(n\*log_n)_Space_O(n) | 3 | 95.75

| 1143 |Longest Common Subsequence| [Java](src/main/java/g1101_1200/s1143_longest_common_subsequence) [Kotlin](src/main/kotlin/g1101_1200/s1143_longest_common_subsequence) [TypeScript](src/main/ts/g1101_1200/s1143_longest_common_subsequence) [Scala](src/main/scala/g1101_1200/s1143_longest_common_subsequence) [Ruby](src/main/ruby/g1101_1200/s1143_longest_common_subsequence) [PHP](src/main/php/g1101_1200/s1143_longest_common_subsequence) [C#](src/main/csharp/g1101_1200/s1143_longest_common_subsequence) [Go](src/main/go/g1101_1200/s1143_longest_common_subsequence) [Cpp](src/main/cpp/g1101_1200/s1143_longest_common_subsequence) [Python](src/main/python/g1101_1200/s1143_longest_common_subsequence) [Swift](src/main/swift/g1101_1200/s1143_longest_common_subsequence) [Elixir](src/main/elixir/g1101_1200/s1143_longest_common_subsequence) [Rust](src/main/rust/g1101_1200/s1143_longest_common_subsequence) [Dart](src/main/dart/g1101_1200/s1143_longest_common_subsequence) [C](src/main/c/g1101_1200/s1143_longest_common_subsequence)| Medium | Top_100_Liked_Questions, String, Dynamic_Programming, Big_O_Time_O(n\*m)_Space_O(n\*m) | 19 | 89.05

| 0072 |Edit Distance| [Java](src/main/java/g0001_0100/s0072_edit_distance) [Kotlin](src/main/kotlin/g0001_0100/s0072_edit_distance) [TypeScript](src/main/ts/g0001_0100/s0072_edit_distance) [Scala](src/main/scala/g0001_0100/s0072_edit_distance) [Ruby](src/main/ruby/g0001_0100/s0072_edit_distance) [PHP](src/main/php/g0001_0100/s0072_edit_distance) [C#](src/main/csharp/g0001_0100/s0072_edit_distance) [Go](src/main/go/g0001_0100/s0072_edit_distance) [Cpp](src/main/cpp/g0001_0100/s0072_edit_distance) [Python](src/main/python/g0001_0100/s0072_edit_distance) [Swift](src/main/swift/g0001_0100/s0072_edit_distance) [Elixir](src/main/elixir/g0001_0100/s0072_edit_distance) [Rust](src/main/rust/g0001_0100/s0072_edit_distance) [Dart](src/main/dart/g0001_0100/s0072_edit_distance) [C](src/main/c/g0001_0100/s0072_edit_distance)| Medium | Top_100_Liked_Questions, String, Dynamic_Programming, Big_O_Time_O(n^2)_Space_O(n2) | 3 | 97.19

| 0010 |Regular Expression Matching| [Java](src/main/java/g0001_0100/s0010_regular_expression_matching) [Kotlin](src/main/kotlin/g0001_0100/s0010_regular_expression_matching) [TypeScript](src/main/ts/g0001_0100/s0010_regular_expression_matching) [Scala](src/main/scala/g0001_0100/s0010_regular_expression_matching) [Ruby](src/main/ruby/g0001_0100/s0010_regular_expression_matching) [PHP](src/main/php/g0001_0100/s0010_regular_expression_matching) [C#](src/main/csharp/g0001_0100/s0010_regular_expression_matching) [Go](src/main/go/g0001_0100/s0010_regular_expression_matching) [Cpp](src/main/cpp/g0001_0100/s0010_regular_expression_matching) [Python](src/main/python/g0001_0100/s0010_regular_expression_matching) [Swift](src/main/swift/g0001_0100/s0010_regular_expression_matching) [Elixir](src/main/elixir/g0001_0100/s0010_regular_expression_matching) [Rust](src/main/rust/g0001_0100/s0010_regular_expression_matching) [Dart](src/main/dart/g0001_0100/s0010_regular_expression_matching) [C](src/main/c/g0001_0100/s0010_regular_expression_matching)| Hard | Top_Interview_Questions, String, Dynamic_Programming, Recursion, Big_O_Time_O(m\*n)_Space_O(m\*n) | 1 | 100.00

#### Udemy Backtracking/Recursion

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0022 |Generate Parentheses| [Java](src/main/java/g0001_0100/s0022_generate_parentheses) [Kotlin](src/main/kotlin/g0001_0100/s0022_generate_parentheses) [TypeScript](src/main/ts/g0001_0100/s0022_generate_parentheses) [Scala](src/main/scala/g0001_0100/s0022_generate_parentheses) [Ruby](src/main/ruby/g0001_0100/s0022_generate_parentheses) [PHP](src/main/php/g0001_0100/s0022_generate_parentheses) [C#](src/main/csharp/g0001_0100/s0022_generate_parentheses) [Go](src/main/go/g0001_0100/s0022_generate_parentheses) [Cpp](src/main/cpp/g0001_0100/s0022_generate_parentheses) [Python](src/main/python/g0001_0100/s0022_generate_parentheses) [Swift](src/main/swift/g0001_0100/s0022_generate_parentheses) [Elixir](src/main/elixir/g0001_0100/s0022_generate_parentheses) [Rust](src/main/rust/g0001_0100/s0022_generate_parentheses) [Dart](src/main/dart/g0001_0100/s0022_generate_parentheses) [C](src/main/c/g0001_0100/s0022_generate_parentheses)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Dynamic_Programming, Backtracking, Big_O_Time_O(2^n)_Space_O(n) | 0 | 100.00

| 0039 |Combination Sum| [Java](src/main/java/g0001_0100/s0039_combination_sum) [Kotlin](src/main/kotlin/g0001_0100/s0039_combination_sum) [TypeScript](src/main/ts/g0001_0100/s0039_combination_sum) [Scala](src/main/scala/g0001_0100/s0039_combination_sum) [Ruby](src/main/ruby/g0001_0100/s0039_combination_sum) [PHP](src/main/php/g0001_0100/s0039_combination_sum) [C#](src/main/csharp/g0001_0100/s0039_combination_sum) [Go](src/main/go/g0001_0100/s0039_combination_sum) [Cpp](src/main/cpp/g0001_0100/s0039_combination_sum) [Python](src/main/python/g0001_0100/s0039_combination_sum) [Swift](src/main/swift/g0001_0100/s0039_combination_sum) [Elixir](src/main/elixir/g0001_0100/s0039_combination_sum) [Rust](src/main/rust/g0001_0100/s0039_combination_sum) [Dart](src/main/dart/g0001_0100/s0039_combination_sum) [C](src/main/c/g0001_0100/s0039_combination_sum)| Medium | Top_100_Liked_Questions, Array, Backtracking, Big_O_Time_O(2^n)_Space_O(n+2^n) | 1 | 99.99

| 0078 |Subsets| [Java](src/main/java/g0001_0100/s0078_subsets) [Kotlin](src/main/kotlin/g0001_0100/s0078_subsets) [TypeScript](src/main/ts/g0001_0100/s0078_subsets) [Scala](src/main/scala/g0001_0100/s0078_subsets) [Ruby](src/main/ruby/g0001_0100/s0078_subsets) [PHP](src/main/php/g0001_0100/s0078_subsets) [C#](src/main/csharp/g0001_0100/s0078_subsets) [Go](src/main/go/g0001_0100/s0078_subsets) [Cpp](src/main/cpp/g0001_0100/s0078_subsets) [Python](src/main/python/g0001_0100/s0078_subsets) [Swift](src/main/swift/g0001_0100/s0078_subsets) [Elixir](src/main/elixir/g0001_0100/s0078_subsets) [Rust](src/main/rust/g0001_0100/s0078_subsets) [Dart](src/main/dart/g0001_0100/s0078_subsets) [C](src/main/c/g0001_0100/s0078_subsets)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Bit_Manipulation, Backtracking, Big_O_Time_O(2^n)_Space_O(n\*2^n) | 0 | 100.00

| 0017 |Letter Combinations of a Phone Number| [Java](src/main/java/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Kotlin](src/main/kotlin/g0001_0100/s0017_letter_combinations_of_a_phone_number) [TypeScript](src/main/ts/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Scala](src/main/scala/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Ruby](src/main/ruby/g0001_0100/s0017_letter_combinations_of_a_phone_number) [PHP](src/main/php/g0001_0100/s0017_letter_combinations_of_a_phone_number) [C#](src/main/csharp/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Go](src/main/go/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Cpp](src/main/cpp/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Python](src/main/python/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Swift](src/main/swift/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Elixir](src/main/elixir/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Rust](src/main/rust/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Dart](src/main/dart/g0001_0100/s0017_letter_combinations_of_a_phone_number) [C](src/main/c/g0001_0100/s0017_letter_combinations_of_a_phone_number)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Backtracking, Big_O_Time_O(4^n)_Space_O(n) | 0 | 100.00

| 0046 |Permutations| [Java](src/main/java/g0001_0100/s0046_permutations) [Kotlin](src/main/kotlin/g0001_0100/s0046_permutations) [TypeScript](src/main/ts/g0001_0100/s0046_permutations) [Scala](src/main/scala/g0001_0100/s0046_permutations) [Ruby](src/main/ruby/g0001_0100/s0046_permutations) [PHP](src/main/php/g0001_0100/s0046_permutations) [C#](src/main/csharp/g0001_0100/s0046_permutations) [Go](src/main/go/g0001_0100/s0046_permutations) [Cpp](src/main/cpp/g0001_0100/s0046_permutations) [Python](src/main/python/g0001_0100/s0046_permutations) [Swift](src/main/swift/g0001_0100/s0046_permutations) [Elixir](src/main/elixir/g0001_0100/s0046_permutations) [Rust](src/main/rust/g0001_0100/s0046_permutations) [Dart](src/main/dart/g0001_0100/s0046_permutations) [C](src/main/c/g0001_0100/s0046_permutations)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Backtracking, Big_O_Time_O(n\*n!)_Space_O(n+n!) | 1 | 94.08

#### Udemy Bit Manipulation

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0338 |Counting Bits| [Java](src/main/java/g0301_0400/s0338_counting_bits) [Kotlin](src/main/kotlin/g0301_0400/s0338_counting_bits) [TypeScript](src/main/ts/g0301_0400/s0338_counting_bits) [Scala](src/main/scala/g0301_0400/s0338_counting_bits) [Ruby](src/main/ruby/g0301_0400/s0338_counting_bits) [PHP](src/main/php/g0301_0400/s0338_counting_bits) [C#](src/main/csharp/g0301_0400/s0338_counting_bits) [Go](src/main/go/g0301_0400/s0338_counting_bits) [Cpp](src/main/cpp/g0301_0400/s0338_counting_bits) [Python](src/main/python/g0301_0400/s0338_counting_bits) [Swift](src/main/swift/g0301_0400/s0338_counting_bits) [Elixir](src/main/elixir/g0301_0400/s0338_counting_bits) [Rust](src/main/rust/g0301_0400/s0338_counting_bits) [Dart](src/main/dart/g0301_0400/s0338_counting_bits) [C](src/main/c/g0301_0400/s0338_counting_bits)| Easy | Dynamic_Programming, Bit_Manipulation, Big_O_Time_O(num)_Space_O(num) | 2 | 96.37

#### Udemy Design

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0155 |Min Stack| [Java](src/main/java/g0101_0200/s0155_min_stack) [Kotlin](src/main/kotlin/g0101_0200/s0155_min_stack) [TypeScript](src/main/ts/g0101_0200/s0155_min_stack) [Scala](src/main/scala/g0101_0200/s0155_min_stack) [Ruby](src/main/ruby/g0101_0200/s0155_min_stack) [PHP](src/main/php/g0101_0200/s0155_min_stack) [C#](src/main/csharp/g0101_0200/s0155_min_stack) [Go](src/main/go/g0101_0200/s0155_min_stack) [Cpp](src/main/cpp/g0101_0200/s0155_min_stack) [Python](src/main/python/g0101_0200/s0155_min_stack) [Swift](src/main/swift/g0101_0200/s0155_min_stack) [Elixir](src/main/elixir/g0101_0200/s0155_min_stack) [Rust](src/main/rust/g0101_0200/s0155_min_stack) [Dart](src/main/dart/g0101_0200/s0155_min_stack) [C](src/main/c/g0101_0200/s0155_min_stack)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Stack, Design, Big_O_Time_O(1)_Space_O(N) | 4 | 96.54

### Data Structure I

#### Day 1 Array

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0053 |Maximum Subarray| [Java](src/main/java/g0001_0100/s0053_maximum_subarray) [Kotlin](src/main/kotlin/g0001_0100/s0053_maximum_subarray) [TypeScript](src/main/ts/g0001_0100/s0053_maximum_subarray) [Scala](src/main/scala/g0001_0100/s0053_maximum_subarray) [Ruby](src/main/ruby/g0001_0100/s0053_maximum_subarray) [PHP](src/main/php/g0001_0100/s0053_maximum_subarray) [C#](src/main/csharp/g0001_0100/s0053_maximum_subarray) [Go](src/main/go/g0001_0100/s0053_maximum_subarray) [Cpp](src/main/cpp/g0001_0100/s0053_maximum_subarray) [Python](src/main/python/g0001_0100/s0053_maximum_subarray) [Swift](src/main/swift/g0001_0100/s0053_maximum_subarray) [Elixir](src/main/elixir/g0001_0100/s0053_maximum_subarray) [Rust](src/main/rust/g0001_0100/s0053_maximum_subarray) [Dart](src/main/dart/g0001_0100/s0053_maximum_subarray) [C](src/main/c/g0001_0100/s0053_maximum_subarray)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Divide_and_Conquer, Big_O_Time_O(n)_Space_O(1) | 1 | 99.32

#### Day 2 Array

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0001 |Two Sum| [Java](src/main/java/g0001_0100/s0001_two_sum) [Kotlin](src/main/kotlin/g0001_0100/s0001_two_sum) [TypeScript](src/main/ts/g0001_0100/s0001_two_sum) [Scala](src/main/scala/g0001_0100/s0001_two_sum) [Ruby](src/main/ruby/g0001_0100/s0001_two_sum) [PHP](src/main/php/g0001_0100/s0001_two_sum) [C#](src/main/csharp/g0001_0100/s0001_two_sum) [Go](src/main/go/g0001_0100/s0001_two_sum) [Cpp](src/main/cpp/g0001_0100/s0001_two_sum) [Python](src/main/python/g0001_0100/s0001_two_sum) [Swift](src/main/swift/g0001_0100/s0001_two_sum) [Elixir](src/main/elixir/g0001_0100/s0001_two_sum) [Rust](src/main/rust/g0001_0100/s0001_two_sum) [Dart](src/main/dart/g0001_0100/s0001_two_sum) [C](src/main/c/g0001_0100/s0001_two_sum)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Big_O_Time_O(n)_Space_O(n), AI_can_be_used_to_solve_the_task | 2 | 98.90

#### Day 3 Array

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0121 |Best Time to Buy and Sell Stock| [Java](src/main/java/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Kotlin](src/main/kotlin/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [TypeScript](src/main/ts/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Scala](src/main/scala/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Ruby](src/main/ruby/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [PHP](src/main/php/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [C#](src/main/csharp/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Go](src/main/go/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Cpp](src/main/cpp/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Python](src/main/python/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Swift](src/main/swift/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Elixir](src/main/elixir/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Rust](src/main/rust/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Dart](src/main/dart/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [C](src/main/c/g0101_0200/s0121_best_time_to_buy_and_sell_stock)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Big_O_Time_O(N)_Space_O(1) | 1 | 99.78

#### Day 4 Array

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 5 Array

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0074 |Search a 2D Matrix| [Java](src/main/java/g0001_0100/s0074_search_a_2d_matrix) [Kotlin](src/main/kotlin/g0001_0100/s0074_search_a_2d_matrix) [TypeScript](src/main/ts/g0001_0100/s0074_search_a_2d_matrix) [Scala](src/main/scala/g0001_0100/s0074_search_a_2d_matrix) [Ruby](src/main/ruby/g0001_0100/s0074_search_a_2d_matrix) [PHP](src/main/php/g0001_0100/s0074_search_a_2d_matrix) [C#](src/main/csharp/g0001_0100/s0074_search_a_2d_matrix) [Go](src/main/go/g0001_0100/s0074_search_a_2d_matrix) [Cpp](src/main/cpp/g0001_0100/s0074_search_a_2d_matrix) [Python](src/main/python/g0001_0100/s0074_search_a_2d_matrix) [Swift](src/main/swift/g0001_0100/s0074_search_a_2d_matrix) [Elixir](src/main/elixir/g0001_0100/s0074_search_a_2d_matrix) [Rust](src/main/rust/g0001_0100/s0074_search_a_2d_matrix) [Dart](src/main/dart/g0001_0100/s0074_search_a_2d_matrix) [C](src/main/c/g0001_0100/s0074_search_a_2d_matrix)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Matrix, Big_O_Time_O(endRow+endCol)_Space_O(1) | 0 | 100.00

#### Day 6 String

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 7 Linked List

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0141 |Linked List Cycle| [Java](src/main/java/g0101_0200/s0141_linked_list_cycle) [Kotlin](src/main/kotlin/g0101_0200/s0141_linked_list_cycle) [TypeScript](src/main/ts/g0101_0200/s0141_linked_list_cycle) [Scala](src/main/scala/g0101_0200/s0141_linked_list_cycle) [Ruby](src/main/ruby/g0101_0200/s0141_linked_list_cycle) [PHP](src/main/php/g0101_0200/s0141_linked_list_cycle) [C#](src/main/csharp/g0101_0200/s0141_linked_list_cycle) [Go](src/main/go/g0101_0200/s0141_linked_list_cycle) [Cpp](src/main/cpp/g0101_0200/s0141_linked_list_cycle) [Python](src/main/python/g0101_0200/s0141_linked_list_cycle) [Swift](src/main/swift/g0101_0200/s0141_linked_list_cycle) [Elixir](src/main/elixir/g0101_0200/s0141_linked_list_cycle) [Rust](src/main/rust/g0101_0200/s0141_linked_list_cycle) [Dart](src/main/dart/g0101_0200/s0141_linked_list_cycle) [C](src/main/c/g0101_0200/s0141_linked_list_cycle)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Two_Pointers, Linked_List, Big_O_Time_O(N)_Space_O(1) | 0 | 100.00

| 0021 |Merge Two Sorted Lists| [Java](src/main/java/g0001_0100/s0021_merge_two_sorted_lists) [Kotlin](src/main/kotlin/g0001_0100/s0021_merge_two_sorted_lists) [TypeScript](src/main/ts/g0001_0100/s0021_merge_two_sorted_lists) [Scala](src/main/scala/g0001_0100/s0021_merge_two_sorted_lists) [Ruby](src/main/ruby/g0001_0100/s0021_merge_two_sorted_lists) [PHP](src/main/php/g0001_0100/s0021_merge_two_sorted_lists) [C#](src/main/csharp/g0001_0100/s0021_merge_two_sorted_lists) [Go](src/main/go/g0001_0100/s0021_merge_two_sorted_lists) [Cpp](src/main/cpp/g0001_0100/s0021_merge_two_sorted_lists) [Python](src/main/python/g0001_0100/s0021_merge_two_sorted_lists) [Swift](src/main/swift/g0001_0100/s0021_merge_two_sorted_lists) [Elixir](src/main/elixir/g0001_0100/s0021_merge_two_sorted_lists) [Rust](src/main/rust/g0001_0100/s0021_merge_two_sorted_lists) [Dart](src/main/dart/g0001_0100/s0021_merge_two_sorted_lists) [C](src/main/c/g0001_0100/s0021_merge_two_sorted_lists)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Linked_List, Recursion, Big_O_Time_O(m+n)_Space_O(m+n) | 0 | 100.00

#### Day 8 Linked List

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0206 |Reverse Linked List| [Java](src/main/java/g0201_0300/s0206_reverse_linked_list) [Kotlin](src/main/kotlin/g0201_0300/s0206_reverse_linked_list) [TypeScript](src/main/ts/g0201_0300/s0206_reverse_linked_list) [Scala](src/main/scala/g0201_0300/s0206_reverse_linked_list) [Ruby](src/main/ruby/g0201_0300/s0206_reverse_linked_list) [PHP](src/main/php/g0201_0300/s0206_reverse_linked_list) [C#](src/main/csharp/g0201_0300/s0206_reverse_linked_list) [Go](src/main/go/g0201_0300/s0206_reverse_linked_list) [Cpp](src/main/cpp/g0201_0300/s0206_reverse_linked_list) [Python](src/main/python/g0201_0300/s0206_reverse_linked_list) [Swift](src/main/swift/g0201_0300/s0206_reverse_linked_list) [Elixir](src/main/elixir/g0201_0300/s0206_reverse_linked_list) [Rust](src/main/rust/g0201_0300/s0206_reverse_linked_list) [Dart](src/main/dart/g0201_0300/s0206_reverse_linked_list) [C](src/main/c/g0201_0300/s0206_reverse_linked_list)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Linked_List, Recursion, Big_O_Time_O(N)_Space_O(1) | 0 | 100.00

#### Day 9 Stack Queue

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0020 |Valid Parentheses| [Java](src/main/java/g0001_0100/s0020_valid_parentheses) [Kotlin](src/main/kotlin/g0001_0100/s0020_valid_parentheses) [TypeScript](src/main/ts/g0001_0100/s0020_valid_parentheses) [Scala](src/main/scala/g0001_0100/s0020_valid_parentheses) [Ruby](src/main/ruby/g0001_0100/s0020_valid_parentheses) [PHP](src/main/php/g0001_0100/s0020_valid_parentheses) [C#](src/main/csharp/g0001_0100/s0020_valid_parentheses) [Go](src/main/go/g0001_0100/s0020_valid_parentheses) [Cpp](src/main/cpp/g0001_0100/s0020_valid_parentheses) [Python](src/main/python/g0001_0100/s0020_valid_parentheses) [Swift](src/main/swift/g0001_0100/s0020_valid_parentheses) [Elixir](src/main/elixir/g0001_0100/s0020_valid_parentheses) [Rust](src/main/rust/g0001_0100/s0020_valid_parentheses) [Dart](src/main/dart/g0001_0100/s0020_valid_parentheses) [C](src/main/c/g0001_0100/s0020_valid_parentheses)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, String, Stack, Big_O_Time_O(n)_Space_O(n) | 2 | 97.19

#### Day 10 Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0094 |Binary Tree Inorder Traversal| [Java](src/main/java/g0001_0100/s0094_binary_tree_inorder_traversal) [Kotlin](src/main/kotlin/g0001_0100/s0094_binary_tree_inorder_traversal) [TypeScript](src/main/ts/g0001_0100/s0094_binary_tree_inorder_traversal) [Scala](src/main/scala/g0001_0100/s0094_binary_tree_inorder_traversal) [Ruby](src/main/ruby/g0001_0100/s0094_binary_tree_inorder_traversal) [PHP](src/main/php/g0001_0100/s0094_binary_tree_inorder_traversal) [C#](src/main/csharp/g0001_0100/s0094_binary_tree_inorder_traversal) [Go](src/main/go/g0001_0100/s0094_binary_tree_inorder_traversal) [Cpp](src/main/cpp/g0001_0100/s0094_binary_tree_inorder_traversal) [Python](src/main/python/g0001_0100/s0094_binary_tree_inorder_traversal) [Swift](src/main/swift/g0001_0100/s0094_binary_tree_inorder_traversal) [Elixir](src/main/elixir/g0001_0100/s0094_binary_tree_inorder_traversal) [Rust](src/main/rust/g0001_0100/s0094_binary_tree_inorder_traversal) [Dart](src/main/dart/g0001_0100/s0094_binary_tree_inorder_traversal) [C](src/main/c/g0001_0100/s0094_binary_tree_inorder_traversal)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Tree, Binary_Tree, Stack, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

#### Day 11 Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0102 |Binary Tree Level Order Traversal| [Java](src/main/java/g0101_0200/s0102_binary_tree_level_order_traversal) [Kotlin](src/main/kotlin/g0101_0200/s0102_binary_tree_level_order_traversal) [TypeScript](src/main/ts/g0101_0200/s0102_binary_tree_level_order_traversal) [Scala](src/main/scala/g0101_0200/s0102_binary_tree_level_order_traversal) [Ruby](src/main/ruby/g0101_0200/s0102_binary_tree_level_order_traversal) [PHP](src/main/php/g0101_0200/s0102_binary_tree_level_order_traversal) [C#](src/main/csharp/g0101_0200/s0102_binary_tree_level_order_traversal) [Go](src/main/go/g0101_0200/s0102_binary_tree_level_order_traversal) [Cpp](src/main/cpp/g0101_0200/s0102_binary_tree_level_order_traversal) [Python](src/main/python/g0101_0200/s0102_binary_tree_level_order_traversal) [Swift](src/main/swift/g0101_0200/s0102_binary_tree_level_order_traversal) [Elixir](src/main/elixir/g0101_0200/s0102_binary_tree_level_order_traversal) [Rust](src/main/rust/g0101_0200/s0102_binary_tree_level_order_traversal) [Dart](src/main/dart/g0101_0200/s0102_binary_tree_level_order_traversal) [C](src/main/c/g0101_0200/s0102_binary_tree_level_order_traversal)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Breadth_First_Search, Tree, Binary_Tree, Big_O_Time_O(N)_Space_O(N) | 1 | 91.19

| 0104 |Maximum Depth of Binary Tree| [Java](src/main/java/g0101_0200/s0104_maximum_depth_of_binary_tree) [Kotlin](src/main/kotlin/g0101_0200/s0104_maximum_depth_of_binary_tree) [TypeScript](src/main/ts/g0101_0200/s0104_maximum_depth_of_binary_tree) [Scala](src/main/scala/g0101_0200/s0104_maximum_depth_of_binary_tree) [Ruby](src/main/ruby/g0101_0200/s0104_maximum_depth_of_binary_tree) [PHP](src/main/php/g0101_0200/s0104_maximum_depth_of_binary_tree) [C#](src/main/csharp/g0101_0200/s0104_maximum_depth_of_binary_tree) [Go](src/main/go/g0101_0200/s0104_maximum_depth_of_binary_tree) [Cpp](src/main/cpp/g0101_0200/s0104_maximum_depth_of_binary_tree) [Python](src/main/python/g0101_0200/s0104_maximum_depth_of_binary_tree) [Swift](src/main/swift/g0101_0200/s0104_maximum_depth_of_binary_tree) [Elixir](src/main/elixir/g0101_0200/s0104_maximum_depth_of_binary_tree) [Rust](src/main/rust/g0101_0200/s0104_maximum_depth_of_binary_tree) [Dart](src/main/dart/g0101_0200/s0104_maximum_depth_of_binary_tree) [C](src/main/c/g0101_0200/s0104_maximum_depth_of_binary_tree)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Big_O_Time_O(N)_Space_O(H) | 0 | 100.00

| 0101 |Symmetric Tree| [Java](src/main/java/g0101_0200/s0101_symmetric_tree) [Kotlin](src/main/kotlin/g0101_0200/s0101_symmetric_tree) [TypeScript](src/main/ts/g0101_0200/s0101_symmetric_tree) [Scala](src/main/scala/g0101_0200/s0101_symmetric_tree) [Ruby](src/main/ruby/g0101_0200/s0101_symmetric_tree) [PHP](src/main/php/g0101_0200/s0101_symmetric_tree) [C#](src/main/csharp/g0101_0200/s0101_symmetric_tree) [Go](src/main/go/g0101_0200/s0101_symmetric_tree) [Cpp](src/main/cpp/g0101_0200/s0101_symmetric_tree) [Python](src/main/python/g0101_0200/s0101_symmetric_tree) [Swift](src/main/swift/g0101_0200/s0101_symmetric_tree) [Elixir](src/main/elixir/g0101_0200/s0101_symmetric_tree) [Rust](src/main/rust/g0101_0200/s0101_symmetric_tree) [Dart](src/main/dart/g0101_0200/s0101_symmetric_tree) [C](src/main/c/g0101_0200/s0101_symmetric_tree)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Big_O_Time_O(N)_Space_O(log(N)) | 0 | 100.00

#### Day 12 Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0226 |Invert Binary Tree| [Java](src/main/java/g0201_0300/s0226_invert_binary_tree) [Kotlin](src/main/kotlin/g0201_0300/s0226_invert_binary_tree) [TypeScript](src/main/ts/g0201_0300/s0226_invert_binary_tree) [Scala](src/main/scala/g0201_0300/s0226_invert_binary_tree) [Ruby](src/main/ruby/g0201_0300/s0226_invert_binary_tree) [PHP](src/main/php/g0201_0300/s0226_invert_binary_tree) [C#](src/main/csharp/g0201_0300/s0226_invert_binary_tree) [Go](src/main/go/g0201_0300/s0226_invert_binary_tree) [Cpp](src/main/cpp/g0201_0300/s0226_invert_binary_tree) [Python](src/main/python/g0201_0300/s0226_invert_binary_tree) [Swift](src/main/swift/g0201_0300/s0226_invert_binary_tree) [Elixir](src/main/elixir/g0201_0300/s0226_invert_binary_tree) [Rust](src/main/rust/g0201_0300/s0226_invert_binary_tree) [Dart](src/main/dart/g0201_0300/s0226_invert_binary_tree) [C](src/main/c/g0201_0300/s0226_invert_binary_tree)| Easy | Top_100_Liked_Questions, Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

#### Day 13 Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

#### Day 14 Tree

|  |  |  |  |  |  | 

|-|-|-|-|-|-|-

| 0098 |Validate Binary Search Tree| [Java](src/main/java/g0001_0100/s0098_validate_binary_search_tree) [Kotlin](src/main/kotlin/g0001_0100/s0098_validate_binary_search_tree) [TypeScript](src/main/ts/g0001_0100/s0098_validate_binary_search_tree) [Scala](src/main/scala/g0001_0100/s0098_validate_binary_search_tree) [Ruby](src/main/ruby/g0001_0100/s0098_validate_binary_search_tree) [PHP](src/main/php/g0001_0100/s0098_validate_binary_search_tree) [C#](src/main/csharp/g0001_0100/s0098_validate_binary_search_tree) [Go](src/main/go/g0001_0100/s0098_validate_binary_search_tree) [Cpp](src/main/cpp/g0001_0100/s0098_validate_binary_search_tree) [Python](src/main/python/g0001_0100/s0098_validate_binary_search_tree) [Swift](src/main/swift/g0001_0100/s0098_validate_binary_search_tree) [Elixir](src/main/elixir/g0001_0100/s0098_validate_binary_search_tree) [Rust](src/main/rust/g0001_0100/s0098_validate_binary_search_tree) [Dart](src/main/dart/g0001_0100/s0098_validate_binary_search_tree) [C](src/main/c/g0001_0100/s0098_validate_binary_search_tree)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Tree, Binary_Tree, Binary_Search_Tree, Big_O_Time_O(N)_Space_O(log(N)) | 0 | 100.00

## Algorithms

| #    |      Title     | Language  | Difficulty  | Tag         | Time, ms | Time, %

|------|----------------|-----------|-------------|-------------|----------|---------

| 1143 |Longest Common Subsequence| [Java](src/main/java/g1101_1200/s1143_longest_common_subsequence) [Kotlin](src/main/kotlin/g1101_1200/s1143_longest_common_subsequence) [TypeScript](src/main/ts/g1101_1200/s1143_longest_common_subsequence) [Scala](src/main/scala/g1101_1200/s1143_longest_common_subsequence) [Ruby](src/main/ruby/g1101_1200/s1143_longest_common_subsequence) [PHP](src/main/php/g1101_1200/s1143_longest_common_subsequence) [C#](src/main/csharp/g1101_1200/s1143_longest_common_subsequence) [Go](src/main/go/g1101_1200/s1143_longest_common_subsequence) [Cpp](src/main/cpp/g1101_1200/s1143_longest_common_subsequence) [Python](src/main/python/g1101_1200/s1143_longest_common_subsequence) [Swift](src/main/swift/g1101_1200/s1143_longest_common_subsequence) [Elixir](src/main/elixir/g1101_1200/s1143_longest_common_subsequence) [Rust](src/main/rust/g1101_1200/s1143_longest_common_subsequence) [Dart](src/main/dart/g1101_1200/s1143_longest_common_subsequence) [C](src/main/c/g1101_1200/s1143_longest_common_subsequence)| Medium | Top_100_Liked_Questions, String, Dynamic_Programming, Algorithm_II_Day_17_Dynamic_Programming, Dynamic_Programming_I_Day_19, Udemy_Dynamic_Programming, Big_O_Time_O(n\*m)_Space_O(n\*m) | 19 | 89.05

| 0763 |Partition Labels| [Java](src/main/java/g0701_0800/s0763_partition_labels) [Kotlin](src/main/kotlin/g0701_0800/s0763_partition_labels) [TypeScript](src/main/ts/g0701_0800/s0763_partition_labels) [Scala](src/main/scala/g0701_0800/s0763_partition_labels) [Ruby](src/main/ruby/g0701_0800/s0763_partition_labels) [PHP](src/main/php/g0701_0800/s0763_partition_labels) [C#](src/main/csharp/g0701_0800/s0763_partition_labels) [Go](src/main/go/g0701_0800/s0763_partition_labels) [Cpp](src/main/cpp/g0701_0800/s0763_partition_labels) [Python](src/main/python/g0701_0800/s0763_partition_labels) [Swift](src/main/swift/g0701_0800/s0763_partition_labels) [Elixir](src/main/elixir/g0701_0800/s0763_partition_labels) [Rust](src/main/rust/g0701_0800/s0763_partition_labels) [Dart](src/main/dart/g0701_0800/s0763_partition_labels) [C](src/main/c/g0701_0800/s0763_partition_labels)| Medium | String, Hash_Table, Greedy, Two_Pointers, Data_Structure_II_Day_7_String, Big_O_Time_O(n)_Space_O(1) | 2 | 100.00

| 0739 |Daily Temperatures| [Java](src/main/java/g0701_0800/s0739_daily_temperatures) [Kotlin](src/main/kotlin/g0701_0800/s0739_daily_temperatures) [TypeScript](src/main/ts/g0701_0800/s0739_daily_temperatures) [Scala](src/main/scala/g0701_0800/s0739_daily_temperatures) [Ruby](src/main/ruby/g0701_0800/s0739_daily_temperatures) [PHP](src/main/php/g0701_0800/s0739_daily_temperatures) [C#](src/main/csharp/g0701_0800/s0739_daily_temperatures) [Go](src/main/go/g0701_0800/s0739_daily_temperatures) [Cpp](src/main/cpp/g0701_0800/s0739_daily_temperatures) [Python](src/main/python/g0701_0800/s0739_daily_temperatures) [Swift](src/main/swift/g0701_0800/s0739_daily_temperatures) [Elixir](src/main/elixir/g0701_0800/s0739_daily_temperatures) [Rust](src/main/rust/g0701_0800/s0739_daily_temperatures) [Dart](src/main/dart/g0701_0800/s0739_daily_temperatures) [C](src/main/c/g0701_0800/s0739_daily_temperatures)| Medium | Top_100_Liked_Questions, Array, Stack, Monotonic_Stack, Programming_Skills_II_Day_6, Big_O_Time_O(n)_Space_O(n) | 8 | 96.83

| 0647 |Palindromic Substrings| [Java](src/main/java/g0601_0700/s0647_palindromic_substrings) [Kotlin](src/main/kotlin/g0601_0700/s0647_palindromic_substrings) [TypeScript](src/main/ts/g0601_0700/s0647_palindromic_substrings) [Scala](src/main/scala/g0601_0700/s0647_palindromic_substrings) [Ruby](src/main/ruby/g0601_0700/s0647_palindromic_substrings) [PHP](src/main/php/g0601_0700/s0647_palindromic_substrings) [C#](src/main/csharp/g0601_0700/s0647_palindromic_substrings) [Go](src/main/go/g0601_0700/s0647_palindromic_substrings) [Cpp](src/main/cpp/g0601_0700/s0647_palindromic_substrings) [Python](src/main/python/g0601_0700/s0647_palindromic_substrings) [Swift](src/main/swift/g0601_0700/s0647_palindromic_substrings) [Elixir](src/main/elixir/g0601_0700/s0647_palindromic_substrings) [Rust](src/main/rust/g0601_0700/s0647_palindromic_substrings) [Dart](src/main/dart/g0601_0700/s0647_palindromic_substrings) [C](src/main/c/g0601_0700/s0647_palindromic_substrings)| Medium | String, Dynamic_Programming, Big_O_Time_O(n^2)_Space_O(n) | 2 | 99.31

| 0560 |Subarray Sum Equals K| [Java](src/main/java/g0501_0600/s0560_subarray_sum_equals_k) [Kotlin](src/main/kotlin/g0501_0600/s0560_subarray_sum_equals_k) [TypeScript](src/main/ts/g0501_0600/s0560_subarray_sum_equals_k) [Scala](src/main/scala/g0501_0600/s0560_subarray_sum_equals_k) [Ruby](src/main/ruby/g0501_0600/s0560_subarray_sum_equals_k) [PHP](src/main/php/g0501_0600/s0560_subarray_sum_equals_k) [C#](src/main/csharp/g0501_0600/s0560_subarray_sum_equals_k) [Go](src/main/go/g0501_0600/s0560_subarray_sum_equals_k) [Cpp](src/main/cpp/g0501_0600/s0560_subarray_sum_equals_k) [Python](src/main/python/g0501_0600/s0560_subarray_sum_equals_k) [Swift](src/main/swift/g0501_0600/s0560_subarray_sum_equals_k) [Elixir](src/main/elixir/g0501_0600/s0560_subarray_sum_equals_k) [Rust](src/main/rust/g0501_0600/s0560_subarray_sum_equals_k) [Dart](src/main/dart/g0501_0600/s0560_subarray_sum_equals_k) [C](src/main/c/g0501_0600/s0560_subarray_sum_equals_k)| Medium | Top_100_Liked_Questions, Array, Hash_Table, Prefix_Sum, Data_Structure_II_Day_5_Array, Big_O_Time_O(n)_Space_O(n) | 22 | 95.17

| 0543 |Diameter of Binary Tree| [Java](src/main/java/g0501_0600/s0543_diameter_of_binary_tree) [Kotlin](src/main/kotlin/g0501_0600/s0543_diameter_of_binary_tree) [TypeScript](src/main/ts/g0501_0600/s0543_diameter_of_binary_tree) [Scala](src/main/scala/g0501_0600/s0543_diameter_of_binary_tree) [Ruby](src/main/ruby/g0501_0600/s0543_diameter_of_binary_tree) [PHP](src/main/php/g0501_0600/s0543_diameter_of_binary_tree) [C#](src/main/csharp/g0501_0600/s0543_diameter_of_binary_tree) [Go](src/main/go/g0501_0600/s0543_diameter_of_binary_tree) [Cpp](src/main/cpp/g0501_0600/s0543_diameter_of_binary_tree) [Python](src/main/python/g0501_0600/s0543_diameter_of_binary_tree) [Swift](src/main/swift/g0501_0600/s0543_diameter_of_binary_tree) [Elixir](src/main/elixir/g0501_0600/s0543_diameter_of_binary_tree) [Rust](src/main/rust/g0501_0600/s0543_diameter_of_binary_tree) [Dart](src/main/dart/g0501_0600/s0543_diameter_of_binary_tree) [C](src/main/c/g0501_0600/s0543_diameter_of_binary_tree)| Easy | Top_100_Liked_Questions, Depth_First_Search, Tree, Binary_Tree, Level_2_Day_7_Tree, Udemy_Tree_Stack_Queue, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0494 |Target Sum| [Java](src/main/java/g0401_0500/s0494_target_sum) [Kotlin](src/main/kotlin/g0401_0500/s0494_target_sum) [TypeScript](src/main/ts/g0401_0500/s0494_target_sum) [Scala](src/main/scala/g0401_0500/s0494_target_sum) [Ruby](src/main/ruby/g0401_0500/s0494_target_sum) [PHP](src/main/php/g0401_0500/s0494_target_sum) [C#](src/main/csharp/g0401_0500/s0494_target_sum) [Go](src/main/go/g0401_0500/s0494_target_sum) [Cpp](src/main/cpp/g0401_0500/s0494_target_sum) [Python](src/main/python/g0401_0500/s0494_target_sum) [Swift](src/main/swift/g0401_0500/s0494_target_sum) [Elixir](src/main/elixir/g0401_0500/s0494_target_sum) [Rust](src/main/rust/g0401_0500/s0494_target_sum) [Dart](src/main/dart/g0401_0500/s0494_target_sum) [C](src/main/c/g0401_0500/s0494_target_sum)| Medium | Array, Dynamic_Programming, Backtracking, Big_O_Time_O(n\*(sum+s))_Space_O(n\*(sum+s)) | 4 | 92.28

| 0438 |Find All Anagrams in a String| [Java](src/main/java/g0401_0500/s0438_find_all_anagrams_in_a_string) [Kotlin](src/main/kotlin/g0401_0500/s0438_find_all_anagrams_in_a_string) [TypeScript](src/main/ts/g0401_0500/s0438_find_all_anagrams_in_a_string) [Scala](src/main/scala/g0401_0500/s0438_find_all_anagrams_in_a_string) [Ruby](src/main/ruby/g0401_0500/s0438_find_all_anagrams_in_a_string) [PHP](src/main/php/g0401_0500/s0438_find_all_anagrams_in_a_string) [C#](src/main/csharp/g0401_0500/s0438_find_all_anagrams_in_a_string) [Go](src/main/go/g0401_0500/s0438_find_all_anagrams_in_a_string) [Cpp](src/main/cpp/g0401_0500/s0438_find_all_anagrams_in_a_string) [Python](src/main/python/g0401_0500/s0438_find_all_anagrams_in_a_string) [Swift](src/main/swift/g0401_0500/s0438_find_all_anagrams_in_a_string) [Elixir](src/main/elixir/g0401_0500/s0438_find_all_anagrams_in_a_string) [Rust](src/main/rust/g0401_0500/s0438_find_all_anagrams_in_a_string) [Dart](src/main/dart/g0401_0500/s0438_find_all_anagrams_in_a_string) [C](src/main/c/g0401_0500/s0438_find_all_anagrams_in_a_string)| Medium | Top_100_Liked_Questions, String, Hash_Table, Sliding_Window, Algorithm_II_Day_5_Sliding_Window, Programming_Skills_II_Day_12, Level_1_Day_12_Sliding_Window/Two_Pointer, Big_O_Time_O(n+m)_Space_O(1) | 3 | 99.83

| 0437 |Path Sum III| [Java](src/main/java/g0401_0500/s0437_path_sum_iii) [Kotlin](src/main/kotlin/g0401_0500/s0437_path_sum_iii) [TypeScript](src/main/ts/g0401_0500/s0437_path_sum_iii) [Scala](src/main/scala/g0401_0500/s0437_path_sum_iii) [Ruby](src/main/ruby/g0401_0500/s0437_path_sum_iii) [PHP](src/main/php/g0401_0500/s0437_path_sum_iii) [C#](src/main/csharp/g0401_0500/s0437_path_sum_iii) [Go](src/main/go/g0401_0500/s0437_path_sum_iii) [Cpp](src/main/cpp/g0401_0500/s0437_path_sum_iii) [Python](src/main/python/g0401_0500/s0437_path_sum_iii) [Swift](src/main/swift/g0401_0500/s0437_path_sum_iii) [Elixir](src/main/elixir/g0401_0500/s0437_path_sum_iii) [Rust](src/main/rust/g0401_0500/s0437_path_sum_iii) [Dart](src/main/dart/g0401_0500/s0437_path_sum_iii) [C](src/main/c/g0401_0500/s0437_path_sum_iii)| Medium | Depth_First_Search, Tree, Binary_Tree, Level_2_Day_7_Tree, Big_O_Time_O(n)_Space_O(n) | 2 | 100.00

| 0416 |Partition Equal Subset Sum| [Java](src/main/java/g0401_0500/s0416_partition_equal_subset_sum) [Kotlin](src/main/kotlin/g0401_0500/s0416_partition_equal_subset_sum) [TypeScript](src/main/ts/g0401_0500/s0416_partition_equal_subset_sum) [Scala](src/main/scala/g0401_0500/s0416_partition_equal_subset_sum) [Ruby](src/main/ruby/g0401_0500/s0416_partition_equal_subset_sum) [PHP](src/main/php/g0401_0500/s0416_partition_equal_subset_sum) [C#](src/main/csharp/g0401_0500/s0416_partition_equal_subset_sum) [Go](src/main/go/g0401_0500/s0416_partition_equal_subset_sum) [Cpp](src/main/cpp/g0401_0500/s0416_partition_equal_subset_sum) [Python](src/main/python/g0401_0500/s0416_partition_equal_subset_sum) [Swift](src/main/swift/g0401_0500/s0416_partition_equal_subset_sum) [Elixir](src/main/elixir/g0401_0500/s0416_partition_equal_subset_sum) [Rust](src/main/rust/g0401_0500/s0416_partition_equal_subset_sum) [Dart](src/main/dart/g0401_0500/s0416_partition_equal_subset_sum) [C](src/main/c/g0401_0500/s0416_partition_equal_subset_sum)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Level_2_Day_13_Dynamic_Programming, Big_O_Time_O(n\*sums)_Space_O(n\*sums) | 5 | 99.88

| 0394 |Decode String| [Java](src/main/java/g0301_0400/s0394_decode_string) [Kotlin](src/main/kotlin/g0301_0400/s0394_decode_string) [TypeScript](src/main/ts/g0301_0400/s0394_decode_string) [Scala](src/main/scala/g0301_0400/s0394_decode_string) [Ruby](src/main/ruby/g0301_0400/s0394_decode_string) [PHP](src/main/php/g0301_0400/s0394_decode_string) [C#](src/main/csharp/g0301_0400/s0394_decode_string) [Go](src/main/go/g0301_0400/s0394_decode_string) [Cpp](src/main/cpp/g0301_0400/s0394_decode_string) [Python](src/main/python/g0301_0400/s0394_decode_string) [Swift](src/main/swift/g0301_0400/s0394_decode_string) [Elixir](src/main/elixir/g0301_0400/s0394_decode_string) [Rust](src/main/rust/g0301_0400/s0394_decode_string) [Dart](src/main/dart/g0301_0400/s0394_decode_string) [C](src/main/c/g0301_0400/s0394_decode_string)| Medium | Top_100_Liked_Questions, String, Stack, Recursion, Level_1_Day_14_Stack, Udemy_Strings, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0347 |Top K Frequent Elements| [Java](src/main/java/g0301_0400/s0347_top_k_frequent_elements) [Kotlin](src/main/kotlin/g0301_0400/s0347_top_k_frequent_elements) [TypeScript](src/main/ts/g0301_0400/s0347_top_k_frequent_elements) [Scala](src/main/scala/g0301_0400/s0347_top_k_frequent_elements) [Ruby](src/main/ruby/g0301_0400/s0347_top_k_frequent_elements) [PHP](src/main/php/g0301_0400/s0347_top_k_frequent_elements) [C#](src/main/csharp/g0301_0400/s0347_top_k_frequent_elements) [Go](src/main/go/g0301_0400/s0347_top_k_frequent_elements) [Cpp](src/main/cpp/g0301_0400/s0347_top_k_frequent_elements) [Python](src/main/python/g0301_0400/s0347_top_k_frequent_elements) [Swift](src/main/swift/g0301_0400/s0347_top_k_frequent_elements) [Elixir](src/main/elixir/g0301_0400/s0347_top_k_frequent_elements) [Rust](src/main/rust/g0301_0400/s0347_top_k_frequent_elements) [Dart](src/main/dart/g0301_0400/s0347_top_k_frequent_elements) [C](src/main/c/g0301_0400/s0347_top_k_frequent_elements)| Medium | Top_100_Liked_Questions, Array, Hash_Table, Sorting, Heap_Priority_Queue, Counting, Divide_and_Conquer, Quickselect, Bucket_Sort, Data_Structure_II_Day_20_Heap_Priority_Queue, Big_O_Time_O(n\*log(n))_Space_O(k) | 9 | 97.30

| 0338 |Counting Bits| [Java](src/main/java/g0301_0400/s0338_counting_bits) [Kotlin](src/main/kotlin/g0301_0400/s0338_counting_bits) [TypeScript](src/main/ts/g0301_0400/s0338_counting_bits) [Scala](src/main/scala/g0301_0400/s0338_counting_bits) [Ruby](src/main/ruby/g0301_0400/s0338_counting_bits) [PHP](src/main/php/g0301_0400/s0338_counting_bits) [C#](src/main/csharp/g0301_0400/s0338_counting_bits) [Go](src/main/go/g0301_0400/s0338_counting_bits) [Cpp](src/main/cpp/g0301_0400/s0338_counting_bits) [Python](src/main/python/g0301_0400/s0338_counting_bits) [Swift](src/main/swift/g0301_0400/s0338_counting_bits) [Elixir](src/main/elixir/g0301_0400/s0338_counting_bits) [Rust](src/main/rust/g0301_0400/s0338_counting_bits) [Dart](src/main/dart/g0301_0400/s0338_counting_bits) [C](src/main/c/g0301_0400/s0338_counting_bits)| Easy | Dynamic_Programming, Bit_Manipulation, Udemy_Bit_Manipulation, Big_O_Time_O(num)_Space_O(num) | 2 | 96.37

| 0322 |Coin Change| [Java](src/main/java/g0301_0400/s0322_coin_change) [Kotlin](src/main/kotlin/g0301_0400/s0322_coin_change) [TypeScript](src/main/ts/g0301_0400/s0322_coin_change) [Scala](src/main/scala/g0301_0400/s0322_coin_change) [Ruby](src/main/ruby/g0301_0400/s0322_coin_change) [PHP](src/main/php/g0301_0400/s0322_coin_change) [C#](src/main/csharp/g0301_0400/s0322_coin_change) [Go](src/main/go/g0301_0400/s0322_coin_change) [Cpp](src/main/cpp/g0301_0400/s0322_coin_change) [Python](src/main/python/g0301_0400/s0322_coin_change) [Swift](src/main/swift/g0301_0400/s0322_coin_change) [Elixir](src/main/elixir/g0301_0400/s0322_coin_change) [Rust](src/main/rust/g0301_0400/s0322_coin_change) [Dart](src/main/dart/g0301_0400/s0322_coin_change) [C](src/main/c/g0301_0400/s0322_coin_change)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Breadth_First_Search, Algorithm_II_Day_18_Dynamic_Programming, Dynamic_Programming_I_Day_20, Level_2_Day_12_Dynamic_Programming, Big_O_Time_O(m\*n)_Space_O(amount) | 12 | 92.59

| 0300 |Longest Increasing Subsequence| [Java](src/main/java/g0201_0300/s0300_longest_increasing_subsequence) [Kotlin](src/main/kotlin/g0201_0300/s0300_longest_increasing_subsequence) [TypeScript](src/main/ts/g0201_0300/s0300_longest_increasing_subsequence) [Scala](src/main/scala/g0201_0300/s0300_longest_increasing_subsequence) [Ruby](src/main/ruby/g0201_0300/s0300_longest_increasing_subsequence) [PHP](src/main/php/g0201_0300/s0300_longest_increasing_subsequence) [C#](src/main/csharp/g0201_0300/s0300_longest_increasing_subsequence) [Go](src/main/go/g0201_0300/s0300_longest_increasing_subsequence) [Cpp](src/main/cpp/g0201_0300/s0300_longest_increasing_subsequence) [Python](src/main/python/g0201_0300/s0300_longest_increasing_subsequence) [Swift](src/main/swift/g0201_0300/s0300_longest_increasing_subsequence) [Elixir](src/main/elixir/g0201_0300/s0300_longest_increasing_subsequence) [Rust](src/main/rust/g0201_0300/s0300_longest_increasing_subsequence) [Dart](src/main/dart/g0201_0300/s0300_longest_increasing_subsequence) [C](src/main/c/g0201_0300/s0300_longest_increasing_subsequence)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Binary_Search, Algorithm_II_Day_16_Dynamic_Programming, Binary_Search_II_Day_3, Dynamic_Programming_I_Day_18, Udemy_Dynamic_Programming, Big_O_Time_O(n\*log_n)_Space_O(n) | 3 | 95.75

| 0295 |Find Median from Data Stream| [Java](src/main/java/g0201_0300/s0295_find_median_from_data_stream) [Kotlin](src/main/kotlin/g0201_0300/s0295_find_median_from_data_stream) [TypeScript](src/main/ts/g0201_0300/s0295_find_median_from_data_stream) [Scala](src/main/scala/g0201_0300/s0295_find_median_from_data_stream) [Ruby](src/main/ruby/g0201_0300/s0295_find_median_from_data_stream) [PHP](src/main/php/g0201_0300/s0295_find_median_from_data_stream) [C#](src/main/csharp/g0201_0300/s0295_find_median_from_data_stream) [Go](src/main/go/g0201_0300/s0295_find_median_from_data_stream) [Cpp](src/main/cpp/g0201_0300/s0295_find_median_from_data_stream) [Python](src/main/python/g0201_0300/s0295_find_median_from_data_stream) [Swift](src/main/swift/g0201_0300/s0295_find_median_from_data_stream) [Elixir](src/main/elixir/g0201_0300/s0295_find_median_from_data_stream) [Rust](src/main/rust/g0201_0300/s0295_find_median_from_data_stream) [Dart](src/main/dart/g0201_0300/s0295_find_median_from_data_stream) [C](src/main/c/g0201_0300/s0295_find_median_from_data_stream)| Hard | Top_100_Liked_Questions, Sorting, Two_Pointers, Design, Heap_Priority_Queue, Data_Stream, Big_O_Time_O(n\*log_n)_Space_O(n) | 83 | 99.56

| 0287 |Find the Duplicate Number| [Java](src/main/java/g0201_0300/s0287_find_the_duplicate_number) [Kotlin](src/main/kotlin/g0201_0300/s0287_find_the_duplicate_number) [TypeScript](src/main/ts/g0201_0300/s0287_find_the_duplicate_number) [Scala](src/main/scala/g0201_0300/s0287_find_the_duplicate_number) [Ruby](src/main/ruby/g0201_0300/s0287_find_the_duplicate_number) [PHP](src/main/php/g0201_0300/s0287_find_the_duplicate_number) [C#](src/main/csharp/g0201_0300/s0287_find_the_duplicate_number) [Go](src/main/go/g0201_0300/s0287_find_the_duplicate_number) [Cpp](src/main/cpp/g0201_0300/s0287_find_the_duplicate_number) [Python](src/main/python/g0201_0300/s0287_find_the_duplicate_number) [Swift](src/main/swift/g0201_0300/s0287_find_the_duplicate_number) [Elixir](src/main/elixir/g0201_0300/s0287_find_the_duplicate_number) [Rust](src/main/rust/g0201_0300/s0287_find_the_duplicate_number) [Dart](src/main/dart/g0201_0300/s0287_find_the_duplicate_number) [C](src/main/c/g0201_0300/s0287_find_the_duplicate_number)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Two_Pointers, Bit_Manipulation, Binary_Search_II_Day_5, Big_O_Time_O(n)_Space_O(n) | 2 | 97.52

| 0283 |Move Zeroes| [Java](src/main/java/g0201_0300/s0283_move_zeroes) [Kotlin](src/main/kotlin/g0201_0300/s0283_move_zeroes) [TypeScript](src/main/ts/g0201_0300/s0283_move_zeroes) [Scala](src/main/scala/g0201_0300/s0283_move_zeroes) [Ruby](src/main/ruby/g0201_0300/s0283_move_zeroes) [PHP](src/main/php/g0201_0300/s0283_move_zeroes) [C#](src/main/csharp/g0201_0300/s0283_move_zeroes) [Go](src/main/go/g0201_0300/s0283_move_zeroes) [Cpp](src/main/cpp/g0201_0300/s0283_move_zeroes) [Python](src/main/python/g0201_0300/s0283_move_zeroes) [Swift](src/main/swift/g0201_0300/s0283_move_zeroes) [Elixir](src/main/elixir/g0201_0300/s0283_move_zeroes) [Rust](src/main/rust/g0201_0300/s0283_move_zeroes) [Dart](src/main/dart/g0201_0300/s0283_move_zeroes) [C](src/main/c/g0201_0300/s0283_move_zeroes)| Easy | Top_100_Liked_Questions, Array, Two_Pointers, Algorithm_I_Day_3_Two_Pointers, Programming_Skills_I_Day_6_Array, Udemy_Arrays, Big_O_Time_O(n)_Space_O(1) | 2 | 83.99

| 0240 |Search a 2D Matrix II| [Java](src/main/java/g0201_0300/s0240_search_a_2d_matrix_ii) [Kotlin](src/main/kotlin/g0201_0300/s0240_search_a_2d_matrix_ii) [TypeScript](src/main/ts/g0201_0300/s0240_search_a_2d_matrix_ii) [Scala](src/main/scala/g0201_0300/s0240_search_a_2d_matrix_ii) [Ruby](src/main/ruby/g0201_0300/s0240_search_a_2d_matrix_ii) [PHP](src/main/php/g0201_0300/s0240_search_a_2d_matrix_ii) [C#](src/main/csharp/g0201_0300/s0240_search_a_2d_matrix_ii) [Go](src/main/go/g0201_0300/s0240_search_a_2d_matrix_ii) [Cpp](src/main/cpp/g0201_0300/s0240_search_a_2d_matrix_ii) [Python](src/main/python/g0201_0300/s0240_search_a_2d_matrix_ii) [Swift](src/main/swift/g0201_0300/s0240_search_a_2d_matrix_ii) [Elixir](src/main/elixir/g0201_0300/s0240_search_a_2d_matrix_ii) [Rust](src/main/rust/g0201_0300/s0240_search_a_2d_matrix_ii) [Dart](src/main/dart/g0201_0300/s0240_search_a_2d_matrix_ii) [C](src/main/c/g0201_0300/s0240_search_a_2d_matrix_ii)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Matrix, Divide_and_Conquer, Data_Structure_II_Day_4_Array, Binary_Search_II_Day_8, Big_O_Time_O(n+m)_Space_O(1) | 5 | 99.92

| 0239 |Sliding Window Maximum| [Java](src/main/java/g0201_0300/s0239_sliding_window_maximum) [Kotlin](src/main/kotlin/g0201_0300/s0239_sliding_window_maximum) [TypeScript](src/main/ts/g0201_0300/s0239_sliding_window_maximum) [Scala](src/main/scala/g0201_0300/s0239_sliding_window_maximum) [Ruby](src/main/ruby/g0201_0300/s0239_sliding_window_maximum) [PHP](src/main/php/g0201_0300/s0239_sliding_window_maximum) [C#](src/main/csharp/g0201_0300/s0239_sliding_window_maximum) [Go](src/main/go/g0201_0300/s0239_sliding_window_maximum) [Cpp](src/main/cpp/g0201_0300/s0239_sliding_window_maximum) [Python](src/main/python/g0201_0300/s0239_sliding_window_maximum) [Swift](src/main/swift/g0201_0300/s0239_sliding_window_maximum) [Elixir](src/main/elixir/g0201_0300/s0239_sliding_window_maximum) [Rust](src/main/rust/g0201_0300/s0239_sliding_window_maximum) [Dart](src/main/dart/g0201_0300/s0239_sliding_window_maximum) [C](src/main/c/g0201_0300/s0239_sliding_window_maximum)| Hard | Top_100_Liked_Questions, Array, Heap_Priority_Queue, Sliding_Window, Queue, Monotonic_Queue, Udemy_Arrays, Big_O_Time_O(n\*k)_Space_O(n+k) | 26 | 95.89

| 0238 |Product of Array Except Self| [Java](src/main/java/g0201_0300/s0238_product_of_array_except_self) [Kotlin](src/main/kotlin/g0201_0300/s0238_product_of_array_except_self) [TypeScript](src/main/ts/g0201_0300/s0238_product_of_array_except_self) [Scala](src/main/scala/g0201_0300/s0238_product_of_array_except_self) [Ruby](src/main/ruby/g0201_0300/s0238_product_of_array_except_self) [PHP](src/main/php/g0201_0300/s0238_product_of_array_except_self) [C#](src/main/csharp/g0201_0300/s0238_product_of_array_except_self) [Go](src/main/go/g0201_0300/s0238_product_of_array_except_self) [Cpp](src/main/cpp/g0201_0300/s0238_product_of_array_except_self) [Python](src/main/python/g0201_0300/s0238_product_of_array_except_self) [Swift](src/main/swift/g0201_0300/s0238_product_of_array_except_self) [Elixir](src/main/elixir/g0201_0300/s0238_product_of_array_except_self) [Rust](src/main/rust/g0201_0300/s0238_product_of_array_except_self) [Dart](src/main/dart/g0201_0300/s0238_product_of_array_except_self) [C](src/main/c/g0201_0300/s0238_product_of_array_except_self)| Medium | Top_100_Liked_Questions, Array, Prefix_Sum, Data_Structure_II_Day_5_Array, Udemy_Arrays, Big_O_Time_O(n^2)_Space_O(n) | 1 | 99.66

| 0236 |Lowest Common Ancestor of a Binary Tree| [Java](src/main/java/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Kotlin](src/main/kotlin/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [TypeScript](src/main/ts/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Scala](src/main/scala/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Ruby](src/main/ruby/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [PHP](src/main/php/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [C#](src/main/csharp/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Go](src/main/go/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Cpp](src/main/cpp/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Python](src/main/python/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Swift](src/main/swift/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Elixir](src/main/elixir/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Rust](src/main/rust/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [Dart](src/main/dart/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree) [C](src/main/c/g0201_0300/s0236_lowest_common_ancestor_of_a_binary_tree)| Medium | Top_100_Liked_Questions, Depth_First_Search, Tree, Binary_Tree, Data_Structure_II_Day_18_Tree, Udemy_Tree_Stack_Queue, Big_O_Time_O(n)_Space_O(n) | 6 | 100.00

| 0234 |Palindrome Linked List| [Java](src/main/java/g0201_0300/s0234_palindrome_linked_list) [Kotlin](src/main/kotlin/g0201_0300/s0234_palindrome_linked_list) [TypeScript](src/main/ts/g0201_0300/s0234_palindrome_linked_list) [Scala](src/main/scala/g0201_0300/s0234_palindrome_linked_list) [Ruby](src/main/ruby/g0201_0300/s0234_palindrome_linked_list) [PHP](src/main/php/g0201_0300/s0234_palindrome_linked_list) [C#](src/main/csharp/g0201_0300/s0234_palindrome_linked_list) [Go](src/main/go/g0201_0300/s0234_palindrome_linked_list) [Cpp](src/main/cpp/g0201_0300/s0234_palindrome_linked_list) [Python](src/main/python/g0201_0300/s0234_palindrome_linked_list) [Swift](src/main/swift/g0201_0300/s0234_palindrome_linked_list) [Elixir](src/main/elixir/g0201_0300/s0234_palindrome_linked_list) [Rust](src/main/rust/g0201_0300/s0234_palindrome_linked_list) [Dart](src/main/dart/g0201_0300/s0234_palindrome_linked_list) [C](src/main/c/g0201_0300/s0234_palindrome_linked_list)| Easy | Top_100_Liked_Questions, Two_Pointers, Stack, Linked_List, Recursion, Level_2_Day_3_Linked_List, Udemy_Linked_List, Big_O_Time_O(n)_Space_O(1) | 4 | 84.46

| 0230 |Kth Smallest Element in a BST| [Java](src/main/java/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Kotlin](src/main/kotlin/g0201_0300/s0230_kth_smallest_element_in_a_bst) [TypeScript](src/main/ts/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Scala](src/main/scala/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Ruby](src/main/ruby/g0201_0300/s0230_kth_smallest_element_in_a_bst) [PHP](src/main/php/g0201_0300/s0230_kth_smallest_element_in_a_bst) [C#](src/main/csharp/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Go](src/main/go/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Cpp](src/main/cpp/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Python](src/main/python/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Swift](src/main/swift/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Elixir](src/main/elixir/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Rust](src/main/rust/g0201_0300/s0230_kth_smallest_element_in_a_bst) [Dart](src/main/dart/g0201_0300/s0230_kth_smallest_element_in_a_bst) [C](src/main/c/g0201_0300/s0230_kth_smallest_element_in_a_bst)| Medium | Top_100_Liked_Questions, Depth_First_Search, Tree, Binary_Tree, Binary_Search_Tree, Data_Structure_II_Day_17_Tree, Level_2_Day_9_Binary_Search_Tree, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0226 |Invert Binary Tree| [Java](src/main/java/g0201_0300/s0226_invert_binary_tree) [Kotlin](src/main/kotlin/g0201_0300/s0226_invert_binary_tree) [TypeScript](src/main/ts/g0201_0300/s0226_invert_binary_tree) [Scala](src/main/scala/g0201_0300/s0226_invert_binary_tree) [Ruby](src/main/ruby/g0201_0300/s0226_invert_binary_tree) [PHP](src/main/php/g0201_0300/s0226_invert_binary_tree) [C#](src/main/csharp/g0201_0300/s0226_invert_binary_tree) [Go](src/main/go/g0201_0300/s0226_invert_binary_tree) [Cpp](src/main/cpp/g0201_0300/s0226_invert_binary_tree) [Python](src/main/python/g0201_0300/s0226_invert_binary_tree) [Swift](src/main/swift/g0201_0300/s0226_invert_binary_tree) [Elixir](src/main/elixir/g0201_0300/s0226_invert_binary_tree) [Rust](src/main/rust/g0201_0300/s0226_invert_binary_tree) [Dart](src/main/dart/g0201_0300/s0226_invert_binary_tree) [C](src/main/c/g0201_0300/s0226_invert_binary_tree)| Easy | Top_100_Liked_Questions, Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Data_Structure_I_Day_12_Tree, Level_2_Day_6_Tree, Udemy_Tree_Stack_Queue, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0221 |Maximal Square| [Java](src/main/java/g0201_0300/s0221_maximal_square) [Kotlin](src/main/kotlin/g0201_0300/s0221_maximal_square) [TypeScript](src/main/ts/g0201_0300/s0221_maximal_square) [Scala](src/main/scala/g0201_0300/s0221_maximal_square) [Ruby](src/main/ruby/g0201_0300/s0221_maximal_square) [PHP](src/main/php/g0201_0300/s0221_maximal_square) [C#](src/main/csharp/g0201_0300/s0221_maximal_square) [Go](src/main/go/g0201_0300/s0221_maximal_square) [Cpp](src/main/cpp/g0201_0300/s0221_maximal_square) [Python](src/main/python/g0201_0300/s0221_maximal_square) [Swift](src/main/swift/g0201_0300/s0221_maximal_square) [Elixir](src/main/elixir/g0201_0300/s0221_maximal_square) [Rust](src/main/rust/g0201_0300/s0221_maximal_square) [Dart](src/main/dart/g0201_0300/s0221_maximal_square) [C](src/main/c/g0201_0300/s0221_maximal_square)| Medium | Array, Dynamic_Programming, Matrix, Dynamic_Programming_I_Day_16, Big_O_Time_O(m\*n)_Space_O(m\*n) | 6 | 97.07

| 0215 |Kth Largest Element in an Array| [Java](src/main/java/g0201_0300/s0215_kth_largest_element_in_an_array) [Kotlin](src/main/kotlin/g0201_0300/s0215_kth_largest_element_in_an_array) [TypeScript](src/main/ts/g0201_0300/s0215_kth_largest_element_in_an_array) [Scala](src/main/scala/g0201_0300/s0215_kth_largest_element_in_an_array) [Ruby](src/main/ruby/g0201_0300/s0215_kth_largest_element_in_an_array) [PHP](src/main/php/g0201_0300/s0215_kth_largest_element_in_an_array) [C#](src/main/csharp/g0201_0300/s0215_kth_largest_element_in_an_array) [Go](src/main/go/g0201_0300/s0215_kth_largest_element_in_an_array) [Cpp](src/main/cpp/g0201_0300/s0215_kth_largest_element_in_an_array) [Python](src/main/python/g0201_0300/s0215_kth_largest_element_in_an_array) [Swift](src/main/swift/g0201_0300/s0215_kth_largest_element_in_an_array) [Elixir](src/main/elixir/g0201_0300/s0215_kth_largest_element_in_an_array) [Rust](src/main/rust/g0201_0300/s0215_kth_largest_element_in_an_array) [Dart](src/main/dart/g0201_0300/s0215_kth_largest_element_in_an_array) [C](src/main/c/g0201_0300/s0215_kth_largest_element_in_an_array)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Sorting, Heap_Priority_Queue, Divide_and_Conquer, Quickselect, Data_Structure_II_Day_20_Heap_Priority_Queue, Big_O_Time_O(n\*log(n))_Space_O(log(n)) | 5 | 70.82

| 0208 |Implement Trie (Prefix Tree)| [Java](src/main/java/g0201_0300/s0208_implement_trie_prefix_tree) [Kotlin](src/main/kotlin/g0201_0300/s0208_implement_trie_prefix_tree) [TypeScript](src/main/ts/g0201_0300/s0208_implement_trie_prefix_tree) [Scala](src/main/scala/g0201_0300/s0208_implement_trie_prefix_tree) [Ruby](src/main/ruby/g0201_0300/s0208_implement_trie_prefix_tree) [PHP](src/main/php/g0201_0300/s0208_implement_trie_prefix_tree) [C#](src/main/csharp/g0201_0300/s0208_implement_trie_prefix_tree) [Go](src/main/go/g0201_0300/s0208_implement_trie_prefix_tree) [Cpp](src/main/cpp/g0201_0300/s0208_implement_trie_prefix_tree) [Python](src/main/python/g0201_0300/s0208_implement_trie_prefix_tree) [Swift](src/main/swift/g0201_0300/s0208_implement_trie_prefix_tree) [Elixir](src/main/elixir/g0201_0300/s0208_implement_trie_prefix_tree) [Rust](src/main/rust/g0201_0300/s0208_implement_trie_prefix_tree) [Dart](src/main/dart/g0201_0300/s0208_implement_trie_prefix_tree) [C](src/main/c/g0201_0300/s0208_implement_trie_prefix_tree)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Design, Trie, Level_2_Day_16_Design, Udemy_Trie_and_Heap, Big_O_Time_O(word.length())_or_O(prefix.length())_Space_O(N) | 32 | 95.05

| 0207 |Course Schedule| [Java](src/main/java/g0201_0300/s0207_course_schedule) [Kotlin](src/main/kotlin/g0201_0300/s0207_course_schedule) [TypeScript](src/main/ts/g0201_0300/s0207_course_schedule) [Scala](src/main/scala/g0201_0300/s0207_course_schedule) [Ruby](src/main/ruby/g0201_0300/s0207_course_schedule) [PHP](src/main/php/g0201_0300/s0207_course_schedule) [C#](src/main/csharp/g0201_0300/s0207_course_schedule) [Go](src/main/go/g0201_0300/s0207_course_schedule) [Cpp](src/main/cpp/g0201_0300/s0207_course_schedule) [Python](src/main/python/g0201_0300/s0207_course_schedule) [Swift](src/main/swift/g0201_0300/s0207_course_schedule) [Elixir](src/main/elixir/g0201_0300/s0207_course_schedule) [Rust](src/main/rust/g0201_0300/s0207_course_schedule) [Dart](src/main/dart/g0201_0300/s0207_course_schedule) [C](src/main/c/g0201_0300/s0207_course_schedule)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Breadth_First_Search, Graph, Topological_Sort, Big_O_Time_O(N)_Space_O(N) | 3 | 97.58

| 0206 |Reverse Linked List| [Java](src/main/java/g0201_0300/s0206_reverse_linked_list) [Kotlin](src/main/kotlin/g0201_0300/s0206_reverse_linked_list) [TypeScript](src/main/ts/g0201_0300/s0206_reverse_linked_list) [Scala](src/main/scala/g0201_0300/s0206_reverse_linked_list) [Ruby](src/main/ruby/g0201_0300/s0206_reverse_linked_list) [PHP](src/main/php/g0201_0300/s0206_reverse_linked_list) [C#](src/main/csharp/g0201_0300/s0206_reverse_linked_list) [Go](src/main/go/g0201_0300/s0206_reverse_linked_list) [Cpp](src/main/cpp/g0201_0300/s0206_reverse_linked_list) [Python](src/main/python/g0201_0300/s0206_reverse_linked_list) [Swift](src/main/swift/g0201_0300/s0206_reverse_linked_list) [Elixir](src/main/elixir/g0201_0300/s0206_reverse_linked_list) [Rust](src/main/rust/g0201_0300/s0206_reverse_linked_list) [Dart](src/main/dart/g0201_0300/s0206_reverse_linked_list) [C](src/main/c/g0201_0300/s0206_reverse_linked_list)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Linked_List, Recursion, Data_Structure_I_Day_8_Linked_List, Algorithm_I_Day_10_Recursion_Backtracking, Level_1_Day_3_Linked_List, Udemy_Linked_List, Big_O_Time_O(N)_Space_O(1) | 0 | 100.00

| 0200 |Number of Islands| [Java](src/main/java/g0101_0200/s0200_number_of_islands) [Kotlin](src/main/kotlin/g0101_0200/s0200_number_of_islands) [TypeScript](src/main/ts/g0101_0200/s0200_number_of_islands) [Scala](src/main/scala/g0101_0200/s0200_number_of_islands) [Ruby](src/main/ruby/g0101_0200/s0200_number_of_islands) [PHP](src/main/php/g0101_0200/s0200_number_of_islands) [C#](src/main/csharp/g0101_0200/s0200_number_of_islands) [Go](src/main/go/g0101_0200/s0200_number_of_islands) [Cpp](src/main/cpp/g0101_0200/s0200_number_of_islands) [Python](src/main/python/g0101_0200/s0200_number_of_islands) [Swift](src/main/swift/g0101_0200/s0200_number_of_islands) [Elixir](src/main/elixir/g0101_0200/s0200_number_of_islands) [Rust](src/main/rust/g0101_0200/s0200_number_of_islands) [Dart](src/main/dart/g0101_0200/s0200_number_of_islands) [C](src/main/c/g0101_0200/s0200_number_of_islands)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Depth_First_Search, Breadth_First_Search, Matrix, Union_Find, Algorithm_II_Day_6_Breadth_First_Search_Depth_First_Search, Graph_Theory_I_Day_1_Matrix_Related_Problems, Level_1_Day_9_Graph/BFS/DFS, Udemy_Graph, Big_O_Time_O(M\*N)_Space_O(M\*N) | 3 | 87.24

| 0198 |House Robber| [Java](src/main/java/g0101_0200/s0198_house_robber) [Kotlin](src/main/kotlin/g0101_0200/s0198_house_robber) [TypeScript](src/main/ts/g0101_0200/s0198_house_robber) [Scala](src/main/scala/g0101_0200/s0198_house_robber) [Ruby](src/main/ruby/g0101_0200/s0198_house_robber) [PHP](src/main/php/g0101_0200/s0198_house_robber) [C#](src/main/csharp/g0101_0200/s0198_house_robber) [Go](src/main/go/g0101_0200/s0198_house_robber) [Cpp](src/main/cpp/g0101_0200/s0198_house_robber) [Python](src/main/python/g0101_0200/s0198_house_robber) [Swift](src/main/swift/g0101_0200/s0198_house_robber) [Elixir](src/main/elixir/g0101_0200/s0198_house_robber) [Rust](src/main/rust/g0101_0200/s0198_house_robber) [Dart](src/main/dart/g0101_0200/s0198_house_robber) [C](src/main/c/g0101_0200/s0198_house_robber)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Algorithm_I_Day_12_Dynamic_Programming, Dynamic_Programming_I_Day_3, Level_2_Day_12_Dynamic_Programming, Udemy_Dynamic_Programming, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0189 |Rotate Array| [Java](src/main/java/g0101_0200/s0189_rotate_array) [Kotlin](src/main/kotlin/g0101_0200/s0189_rotate_array) [TypeScript](src/main/ts/g0101_0200/s0189_rotate_array) [Scala](src/main/scala/g0101_0200/s0189_rotate_array) [Ruby](src/main/ruby/g0101_0200/s0189_rotate_array) [PHP](src/main/php/g0101_0200/s0189_rotate_array) [C#](src/main/csharp/g0101_0200/s0189_rotate_array) [Go](src/main/go/g0101_0200/s0189_rotate_array) [Cpp](src/main/cpp/g0101_0200/s0189_rotate_array) [Python](src/main/python/g0101_0200/s0189_rotate_array) [Swift](src/main/swift/g0101_0200/s0189_rotate_array) [Elixir](src/main/elixir/g0101_0200/s0189_rotate_array) [Rust](src/main/rust/g0101_0200/s0189_rotate_array) [Dart](src/main/dart/g0101_0200/s0189_rotate_array) [C](src/main/c/g0101_0200/s0189_rotate_array)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Math, Two_Pointers, Algorithm_I_Day_2_Two_Pointers, Udemy_Arrays, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

| 0169 |Majority Element| [Java](src/main/java/g0101_0200/s0169_majority_element) [Kotlin](src/main/kotlin/g0101_0200/s0169_majority_element) [TypeScript](src/main/ts/g0101_0200/s0169_majority_element) [Scala](src/main/scala/g0101_0200/s0169_majority_element) [Ruby](src/main/ruby/g0101_0200/s0169_majority_element) [PHP](src/main/php/g0101_0200/s0169_majority_element) [C#](src/main/csharp/g0101_0200/s0169_majority_element) [Go](src/main/go/g0101_0200/s0169_majority_element) [Cpp](src/main/cpp/g0101_0200/s0169_majority_element) [Python](src/main/python/g0101_0200/s0169_majority_element) [Swift](src/main/swift/g0101_0200/s0169_majority_element) [Elixir](src/main/elixir/g0101_0200/s0169_majority_element) [Rust](src/main/rust/g0101_0200/s0169_majority_element) [Dart](src/main/dart/g0101_0200/s0169_majority_element) [C](src/main/c/g0101_0200/s0169_majority_element)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Sorting, Counting, Divide_and_Conquer, Data_Structure_II_Day_1_Array, Udemy_Famous_Algorithm, Big_O_Time_O(n)_Space_O(1) | 1 | 99.89

| 0160 |Intersection of Two Linked Lists| [Java](src/main/java/g0101_0200/s0160_intersection_of_two_linked_lists) [Kotlin](src/main/kotlin/g0101_0200/s0160_intersection_of_two_linked_lists) [TypeScript](src/main/ts/g0101_0200/s0160_intersection_of_two_linked_lists) [Scala](src/main/scala/g0101_0200/s0160_intersection_of_two_linked_lists) [Ruby](src/main/ruby/g0101_0200/s0160_intersection_of_two_linked_lists) [PHP](src/main/php/g0101_0200/s0160_intersection_of_two_linked_lists) [C#](src/main/csharp/g0101_0200/s0160_intersection_of_two_linked_lists) [Go](src/main/go/g0101_0200/s0160_intersection_of_two_linked_lists) [Cpp](src/main/cpp/g0101_0200/s0160_intersection_of_two_linked_lists) [Python](src/main/python/g0101_0200/s0160_intersection_of_two_linked_lists) [Swift](src/main/swift/g0101_0200/s0160_intersection_of_two_linked_lists) [Elixir](src/main/elixir/g0101_0200/s0160_intersection_of_two_linked_lists) [Rust](src/main/rust/g0101_0200/s0160_intersection_of_two_linked_lists) [Dart](src/main/dart/g0101_0200/s0160_intersection_of_two_linked_lists) [C](src/main/c/g0101_0200/s0160_intersection_of_two_linked_lists)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Two_Pointers, Linked_List, Data_Structure_II_Day_11_Linked_List, Udemy_Linked_List, Big_O_Time_O(M+N)_Space_O(1) | 1 | 99.92

| 0155 |Min Stack| [Java](src/main/java/g0101_0200/s0155_min_stack) [Kotlin](src/main/kotlin/g0101_0200/s0155_min_stack) [TypeScript](src/main/ts/g0101_0200/s0155_min_stack) [Scala](src/main/scala/g0101_0200/s0155_min_stack) [Ruby](src/main/ruby/g0101_0200/s0155_min_stack) [PHP](src/main/php/g0101_0200/s0155_min_stack) [C#](src/main/csharp/g0101_0200/s0155_min_stack) [Go](src/main/go/g0101_0200/s0155_min_stack) [Cpp](src/main/cpp/g0101_0200/s0155_min_stack) [Python](src/main/python/g0101_0200/s0155_min_stack) [Swift](src/main/swift/g0101_0200/s0155_min_stack) [Elixir](src/main/elixir/g0101_0200/s0155_min_stack) [Rust](src/main/rust/g0101_0200/s0155_min_stack) [Dart](src/main/dart/g0101_0200/s0155_min_stack) [C](src/main/c/g0101_0200/s0155_min_stack)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Stack, Design, Data_Structure_II_Day_14_Stack_Queue, Programming_Skills_II_Day_18, Level_2_Day_16_Design, Udemy_Design, Big_O_Time_O(1)_Space_O(N) | 4 | 96.54

| 0153 |Find Minimum in Rotated Sorted Array| [Java](src/main/java/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Kotlin](src/main/kotlin/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [TypeScript](src/main/ts/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Scala](src/main/scala/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Ruby](src/main/ruby/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [PHP](src/main/php/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [C#](src/main/csharp/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Go](src/main/go/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Cpp](src/main/cpp/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Python](src/main/python/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Swift](src/main/swift/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Elixir](src/main/elixir/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Rust](src/main/rust/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [Dart](src/main/dart/g0101_0200/s0153_find_minimum_in_rotated_sorted_array) [C](src/main/c/g0101_0200/s0153_find_minimum_in_rotated_sorted_array)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Algorithm_II_Day_2_Binary_Search, Binary_Search_I_Day_12, Udemy_Binary_Search, Big_O_Time_O(log_N)_Space_O(log_N) | 0 | 100.00

| 0152 |Maximum Product Subarray| [Java](src/main/java/g0101_0200/s0152_maximum_product_subarray) [Kotlin](src/main/kotlin/g0101_0200/s0152_maximum_product_subarray) [TypeScript](src/main/ts/g0101_0200/s0152_maximum_product_subarray) [Scala](src/main/scala/g0101_0200/s0152_maximum_product_subarray) [Ruby](src/main/ruby/g0101_0200/s0152_maximum_product_subarray) [PHP](src/main/php/g0101_0200/s0152_maximum_product_subarray) [C#](src/main/csharp/g0101_0200/s0152_maximum_product_subarray) [Go](src/main/go/g0101_0200/s0152_maximum_product_subarray) [Cpp](src/main/cpp/g0101_0200/s0152_maximum_product_subarray) [Python](src/main/python/g0101_0200/s0152_maximum_product_subarray) [Swift](src/main/swift/g0101_0200/s0152_maximum_product_subarray) [Elixir](src/main/elixir/g0101_0200/s0152_maximum_product_subarray) [Rust](src/main/rust/g0101_0200/s0152_maximum_product_subarray) [Dart](src/main/dart/g0101_0200/s0152_maximum_product_subarray) [C](src/main/c/g0101_0200/s0152_maximum_product_subarray)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Dynamic_Programming_I_Day_6, Level_2_Day_13_Dynamic_Programming, Udemy_Dynamic_Programming, Big_O_Time_O(N)_Space_O(1) | 1 | 92.74

| 0148 |Sort List| [Java](src/main/java/g0101_0200/s0148_sort_list) [Kotlin](src/main/kotlin/g0101_0200/s0148_sort_list) [TypeScript](src/main/ts/g0101_0200/s0148_sort_list) [Scala](src/main/scala/g0101_0200/s0148_sort_list) [Ruby](src/main/ruby/g0101_0200/s0148_sort_list) [PHP](src/main/php/g0101_0200/s0148_sort_list) [C#](src/main/csharp/g0101_0200/s0148_sort_list) [Go](src/main/go/g0101_0200/s0148_sort_list) [Cpp](src/main/cpp/g0101_0200/s0148_sort_list) [Python](src/main/python/g0101_0200/s0148_sort_list) [Swift](src/main/swift/g0101_0200/s0148_sort_list) [Elixir](src/main/elixir/g0101_0200/s0148_sort_list) [Rust](src/main/rust/g0101_0200/s0148_sort_list) [Dart](src/main/dart/g0101_0200/s0148_sort_list) [C](src/main/c/g0101_0200/s0148_sort_list)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Sorting, Two_Pointers, Linked_List, Divide_and_Conquer, Merge_Sort, Level_2_Day_4_Linked_List, Big_O_Time_O(log(N))_Space_O(log(N)) | 9 | 93.90

| 0146 |LRU Cache| [Java](src/main/java/g0101_0200/s0146_lru_cache) [Kotlin](src/main/kotlin/g0101_0200/s0146_lru_cache) [TypeScript](src/main/ts/g0101_0200/s0146_lru_cache) [Scala](src/main/scala/g0101_0200/s0146_lru_cache) [Ruby](src/main/ruby/g0101_0200/s0146_lru_cache) [PHP](src/main/php/g0101_0200/s0146_lru_cache) [C#](src/main/csharp/g0101_0200/s0146_lru_cache) [Go](src/main/go/g0101_0200/s0146_lru_cache) [Cpp](src/main/cpp/g0101_0200/s0146_lru_cache) [Python](src/main/python/g0101_0200/s0146_lru_cache) [Swift](src/main/swift/g0101_0200/s0146_lru_cache) [Elixir](src/main/elixir/g0101_0200/s0146_lru_cache) [Rust](src/main/rust/g0101_0200/s0146_lru_cache) [Dart](src/main/dart/g0101_0200/s0146_lru_cache) [C](src/main/c/g0101_0200/s0146_lru_cache)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Design, Linked_List, Doubly_Linked_List, Udemy_Linked_List, Big_O_Time_O(1)_Space_O(capacity) | 40 | 98.20

| 0142 |Linked List Cycle II| [Java](src/main/java/g0101_0200/s0142_linked_list_cycle_ii) [Kotlin](src/main/kotlin/g0101_0200/s0142_linked_list_cycle_ii) [TypeScript](src/main/ts/g0101_0200/s0142_linked_list_cycle_ii) [Scala](src/main/scala/g0101_0200/s0142_linked_list_cycle_ii) [Ruby](src/main/ruby/g0101_0200/s0142_linked_list_cycle_ii) [PHP](src/main/php/g0101_0200/s0142_linked_list_cycle_ii) [C#](src/main/csharp/g0101_0200/s0142_linked_list_cycle_ii) [Go](src/main/go/g0101_0200/s0142_linked_list_cycle_ii) [Cpp](src/main/cpp/g0101_0200/s0142_linked_list_cycle_ii) [Python](src/main/python/g0101_0200/s0142_linked_list_cycle_ii) [Swift](src/main/swift/g0101_0200/s0142_linked_list_cycle_ii) [Elixir](src/main/elixir/g0101_0200/s0142_linked_list_cycle_ii) [Rust](src/main/rust/g0101_0200/s0142_linked_list_cycle_ii) [Dart](src/main/dart/g0101_0200/s0142_linked_list_cycle_ii) [C](src/main/c/g0101_0200/s0142_linked_list_cycle_ii)| Medium | Top_100_Liked_Questions, Hash_Table, Two_Pointers, Linked_List, Data_Structure_II_Day_10_Linked_List, Level_1_Day_4_Linked_List, Udemy_Linked_List, Big_O_Time_O(N)_Space_O(1) | 0 | 100.00

| 0141 |Linked List Cycle| [Java](src/main/java/g0101_0200/s0141_linked_list_cycle) [Kotlin](src/main/kotlin/g0101_0200/s0141_linked_list_cycle) [TypeScript](src/main/ts/g0101_0200/s0141_linked_list_cycle) [Scala](src/main/scala/g0101_0200/s0141_linked_list_cycle) [Ruby](src/main/ruby/g0101_0200/s0141_linked_list_cycle) [PHP](src/main/php/g0101_0200/s0141_linked_list_cycle) [C#](src/main/csharp/g0101_0200/s0141_linked_list_cycle) [Go](src/main/go/g0101_0200/s0141_linked_list_cycle) [Cpp](src/main/cpp/g0101_0200/s0141_linked_list_cycle) [Python](src/main/python/g0101_0200/s0141_linked_list_cycle) [Swift](src/main/swift/g0101_0200/s0141_linked_list_cycle) [Elixir](src/main/elixir/g0101_0200/s0141_linked_list_cycle) [Rust](src/main/rust/g0101_0200/s0141_linked_list_cycle) [Dart](src/main/dart/g0101_0200/s0141_linked_list_cycle) [C](src/main/c/g0101_0200/s0141_linked_list_cycle)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Two_Pointers, Linked_List, Data_Structure_I_Day_7_Linked_List, Udemy_Linked_List, Big_O_Time_O(N)_Space_O(1) | 0 | 100.00

| 0139 |Word Break| [Java](src/main/java/g0101_0200/s0139_word_break) [Kotlin](src/main/kotlin/g0101_0200/s0139_word_break) [TypeScript](src/main/ts/g0101_0200/s0139_word_break) [Scala](src/main/scala/g0101_0200/s0139_word_break) [Ruby](src/main/ruby/g0101_0200/s0139_word_break) [PHP](src/main/php/g0101_0200/s0139_word_break) [C#](src/main/csharp/g0101_0200/s0139_word_break) [Go](src/main/go/g0101_0200/s0139_word_break) [Cpp](src/main/cpp/g0101_0200/s0139_word_break) [Python](src/main/python/g0101_0200/s0139_word_break) [Swift](src/main/swift/g0101_0200/s0139_word_break) [Elixir](src/main/elixir/g0101_0200/s0139_word_break) [Rust](src/main/rust/g0101_0200/s0139_word_break) [Dart](src/main/dart/g0101_0200/s0139_word_break) [C](src/main/c/g0101_0200/s0139_word_break)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Dynamic_Programming, Trie, Memoization, Algorithm_II_Day_15_Dynamic_Programming, Dynamic_Programming_I_Day_9, Udemy_Dynamic_Programming, Big_O_Time_O(M+max\*N)_Space_O(M+N+max) | 1 | 99.42

| 0138 |Copy List with Random Pointer| [Java](src/main/java/g0101_0200/s0138_copy_list_with_random_pointer) [Kotlin](src/main/kotlin/g0101_0200/s0138_copy_list_with_random_pointer) [TypeScript](src/main/ts/g0101_0200/s0138_copy_list_with_random_pointer) [Scala](src/main/scala/g0101_0200/s0138_copy_list_with_random_pointer) [Ruby](src/main/ruby/g0101_0200/s0138_copy_list_with_random_pointer) [PHP](src/main/php/g0101_0200/s0138_copy_list_with_random_pointer) [C#](src/main/csharp/g0101_0200/s0138_copy_list_with_random_pointer) [Go](src/main/go/g0101_0200/s0138_copy_list_with_random_pointer) [Cpp](src/main/cpp/g0101_0200/s0138_copy_list_with_random_pointer) [Python](src/main/python/g0101_0200/s0138_copy_list_with_random_pointer) [Swift](src/main/swift/g0101_0200/s0138_copy_list_with_random_pointer) [Elixir](src/main/elixir/g0101_0200/s0138_copy_list_with_random_pointer) [Rust](src/main/rust/g0101_0200/s0138_copy_list_with_random_pointer) [Dart](src/main/dart/g0101_0200/s0138_copy_list_with_random_pointer) [C](src/main/c/g0101_0200/s0138_copy_list_with_random_pointer)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Hash_Table, Linked_List, Programming_Skills_II_Day_14, Udemy_Linked_List, Big_O_Time_O(N)_Space_O(N) | 0 | 100.00

| 0136 |Single Number| [Java](src/main/java/g0101_0200/s0136_single_number) [Kotlin](src/main/kotlin/g0101_0200/s0136_single_number) [TypeScript](src/main/ts/g0101_0200/s0136_single_number) [Scala](src/main/scala/g0101_0200/s0136_single_number) [Ruby](src/main/ruby/g0101_0200/s0136_single_number) [PHP](src/main/php/g0101_0200/s0136_single_number) [C#](src/main/csharp/g0101_0200/s0136_single_number) [Go](src/main/go/g0101_0200/s0136_single_number) [Cpp](src/main/cpp/g0101_0200/s0136_single_number) [Python](src/main/python/g0101_0200/s0136_single_number) [Swift](src/main/swift/g0101_0200/s0136_single_number) [Elixir](src/main/elixir/g0101_0200/s0136_single_number) [Rust](src/main/rust/g0101_0200/s0136_single_number) [Dart](src/main/dart/g0101_0200/s0136_single_number) [C](src/main/c/g0101_0200/s0136_single_number)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Bit_Manipulation, Data_Structure_II_Day_1_Array, Algorithm_I_Day_14_Bit_Manipulation, Udemy_Integers, Big_O_Time_O(N)_Space_O(1) | 1 | 99.86

| 0131 |Palindrome Partitioning| [Java](src/main/java/g0101_0200/s0131_palindrome_partitioning) [Kotlin](src/main/kotlin/g0101_0200/s0131_palindrome_partitioning) [TypeScript](src/main/ts/g0101_0200/s0131_palindrome_partitioning) [Scala](src/main/scala/g0101_0200/s0131_palindrome_partitioning) [Ruby](src/main/ruby/g0101_0200/s0131_palindrome_partitioning) [PHP](src/main/php/g0101_0200/s0131_palindrome_partitioning) [C#](src/main/csharp/g0101_0200/s0131_palindrome_partitioning) [Go](src/main/go/g0101_0200/s0131_palindrome_partitioning) [Cpp](src/main/cpp/g0101_0200/s0131_palindrome_partitioning) [Python](src/main/python/g0101_0200/s0131_palindrome_partitioning) [Swift](src/main/swift/g0101_0200/s0131_palindrome_partitioning) [Elixir](src/main/elixir/g0101_0200/s0131_palindrome_partitioning) [Rust](src/main/rust/g0101_0200/s0131_palindrome_partitioning) [Dart](src/main/dart/g0101_0200/s0131_palindrome_partitioning) [C](src/main/c/g0101_0200/s0131_palindrome_partitioning)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Dynamic_Programming, Backtracking, Big_O_Time_O(N\*2^N)_Space_O(2^N\*N) | 7 | 98.55

| 0128 |Longest Consecutive Sequence| [Java](src/main/java/g0101_0200/s0128_longest_consecutive_sequence) [Kotlin](src/main/kotlin/g0101_0200/s0128_longest_consecutive_sequence) [TypeScript](src/main/ts/g0101_0200/s0128_longest_consecutive_sequence) [Scala](src/main/scala/g0101_0200/s0128_longest_consecutive_sequence) [Ruby](src/main/ruby/g0101_0200/s0128_longest_consecutive_sequence) [PHP](src/main/php/g0101_0200/s0128_longest_consecutive_sequence) [C#](src/main/csharp/g0101_0200/s0128_longest_consecutive_sequence) [Go](src/main/go/g0101_0200/s0128_longest_consecutive_sequence) [Cpp](src/main/cpp/g0101_0200/s0128_longest_consecutive_sequence) [Python](src/main/python/g0101_0200/s0128_longest_consecutive_sequence) [Swift](src/main/swift/g0101_0200/s0128_longest_consecutive_sequence) [Elixir](src/main/elixir/g0101_0200/s0128_longest_consecutive_sequence) [Rust](src/main/rust/g0101_0200/s0128_longest_consecutive_sequence) [Dart](src/main/dart/g0101_0200/s0128_longest_consecutive_sequence) [C](src/main/c/g0101_0200/s0128_longest_consecutive_sequence)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Union_Find, Big_O_Time_O(N_log_N)_Space_O(1) | 14 | 98.89

| 0124 |Binary Tree Maximum Path Sum| [Java](src/main/java/g0101_0200/s0124_binary_tree_maximum_path_sum) [Kotlin](src/main/kotlin/g0101_0200/s0124_binary_tree_maximum_path_sum) [TypeScript](src/main/ts/g0101_0200/s0124_binary_tree_maximum_path_sum) [Scala](src/main/scala/g0101_0200/s0124_binary_tree_maximum_path_sum) [Ruby](src/main/ruby/g0101_0200/s0124_binary_tree_maximum_path_sum) [PHP](src/main/php/g0101_0200/s0124_binary_tree_maximum_path_sum) [C#](src/main/csharp/g0101_0200/s0124_binary_tree_maximum_path_sum) [Go](src/main/go/g0101_0200/s0124_binary_tree_maximum_path_sum) [Cpp](src/main/cpp/g0101_0200/s0124_binary_tree_maximum_path_sum) [Python](src/main/python/g0101_0200/s0124_binary_tree_maximum_path_sum) [Swift](src/main/swift/g0101_0200/s0124_binary_tree_maximum_path_sum) [Elixir](src/main/elixir/g0101_0200/s0124_binary_tree_maximum_path_sum) [Rust](src/main/rust/g0101_0200/s0124_binary_tree_maximum_path_sum) [Dart](src/main/dart/g0101_0200/s0124_binary_tree_maximum_path_sum) [C](src/main/c/g0101_0200/s0124_binary_tree_maximum_path_sum)| Hard | Top_100_Liked_Questions, Top_Interview_Questions, Dynamic_Programming, Depth_First_Search, Tree, Binary_Tree, Udemy_Tree_Stack_Queue, Big_O_Time_O(N)_Space_O(N) | 0 | 100.00

| 0121 |Best Time to Buy and Sell Stock| [Java](src/main/java/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Kotlin](src/main/kotlin/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [TypeScript](src/main/ts/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Scala](src/main/scala/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Ruby](src/main/ruby/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [PHP](src/main/php/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [C#](src/main/csharp/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Go](src/main/go/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Cpp](src/main/cpp/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Python](src/main/python/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Swift](src/main/swift/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Elixir](src/main/elixir/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Rust](src/main/rust/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [Dart](src/main/dart/g0101_0200/s0121_best_time_to_buy_and_sell_stock) [C](src/main/c/g0101_0200/s0121_best_time_to_buy_and_sell_stock)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Data_Structure_I_Day_3_Array, Dynamic_Programming_I_Day_7, Level_1_Day_5_Greedy, Udemy_Arrays, Big_O_Time_O(N)_Space_O(1) | 1 | 99.78

| 0114 |Flatten Binary Tree to Linked List| [Java](src/main/java/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Kotlin](src/main/kotlin/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [TypeScript](src/main/ts/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Scala](src/main/scala/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Ruby](src/main/ruby/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [PHP](src/main/php/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [C#](src/main/csharp/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Go](src/main/go/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Cpp](src/main/cpp/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Python](src/main/python/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Swift](src/main/swift/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Elixir](src/main/elixir/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Rust](src/main/rust/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [Dart](src/main/dart/g0101_0200/s0114_flatten_binary_tree_to_linked_list) [C](src/main/c/g0101_0200/s0114_flatten_binary_tree_to_linked_list)| Medium | Top_100_Liked_Questions, Depth_First_Search, Tree, Binary_Tree, Stack, Linked_List, Udemy_Linked_List, Big_O_Time_O(N)_Space_O(N) | 0 | 100.00

| 0105 |Construct Binary Tree from Preorder and Inorder Traversal| [Java](src/main/java/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Kotlin](src/main/kotlin/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [TypeScript](src/main/ts/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Scala](src/main/scala/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Ruby](src/main/ruby/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [PHP](src/main/php/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [C#](src/main/csharp/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Go](src/main/go/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Cpp](src/main/cpp/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Python](src/main/python/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Swift](src/main/swift/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Elixir](src/main/elixir/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Rust](src/main/rust/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [Dart](src/main/dart/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal) [C](src/main/c/g0101_0200/s0105_construct_binary_tree_from_preorder_and_inorder_traversal)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Tree, Binary_Tree, Divide_and_Conquer, Data_Structure_II_Day_15_Tree, Big_O_Time_O(N)_Space_O(N) | 1 | 96.33

| 0104 |Maximum Depth of Binary Tree| [Java](src/main/java/g0101_0200/s0104_maximum_depth_of_binary_tree) [Kotlin](src/main/kotlin/g0101_0200/s0104_maximum_depth_of_binary_tree) [TypeScript](src/main/ts/g0101_0200/s0104_maximum_depth_of_binary_tree) [Scala](src/main/scala/g0101_0200/s0104_maximum_depth_of_binary_tree) [Ruby](src/main/ruby/g0101_0200/s0104_maximum_depth_of_binary_tree) [PHP](src/main/php/g0101_0200/s0104_maximum_depth_of_binary_tree) [C#](src/main/csharp/g0101_0200/s0104_maximum_depth_of_binary_tree) [Go](src/main/go/g0101_0200/s0104_maximum_depth_of_binary_tree) [Cpp](src/main/cpp/g0101_0200/s0104_maximum_depth_of_binary_tree) [Python](src/main/python/g0101_0200/s0104_maximum_depth_of_binary_tree) [Swift](src/main/swift/g0101_0200/s0104_maximum_depth_of_binary_tree) [Elixir](src/main/elixir/g0101_0200/s0104_maximum_depth_of_binary_tree) [Rust](src/main/rust/g0101_0200/s0104_maximum_depth_of_binary_tree) [Dart](src/main/dart/g0101_0200/s0104_maximum_depth_of_binary_tree) [C](src/main/c/g0101_0200/s0104_maximum_depth_of_binary_tree)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Data_Structure_I_Day_11_Tree, Programming_Skills_I_Day_10_Linked_List_and_Tree, Udemy_Tree_Stack_Queue, Big_O_Time_O(N)_Space_O(H) | 0 | 100.00

| 0102 |Binary Tree Level Order Traversal| [Java](src/main/java/g0101_0200/s0102_binary_tree_level_order_traversal) [Kotlin](src/main/kotlin/g0101_0200/s0102_binary_tree_level_order_traversal) [TypeScript](src/main/ts/g0101_0200/s0102_binary_tree_level_order_traversal) [Scala](src/main/scala/g0101_0200/s0102_binary_tree_level_order_traversal) [Ruby](src/main/ruby/g0101_0200/s0102_binary_tree_level_order_traversal) [PHP](src/main/php/g0101_0200/s0102_binary_tree_level_order_traversal) [C#](src/main/csharp/g0101_0200/s0102_binary_tree_level_order_traversal) [Go](src/main/go/g0101_0200/s0102_binary_tree_level_order_traversal) [Cpp](src/main/cpp/g0101_0200/s0102_binary_tree_level_order_traversal) [Python](src/main/python/g0101_0200/s0102_binary_tree_level_order_traversal) [Swift](src/main/swift/g0101_0200/s0102_binary_tree_level_order_traversal) [Elixir](src/main/elixir/g0101_0200/s0102_binary_tree_level_order_traversal) [Rust](src/main/rust/g0101_0200/s0102_binary_tree_level_order_traversal) [Dart](src/main/dart/g0101_0200/s0102_binary_tree_level_order_traversal) [C](src/main/c/g0101_0200/s0102_binary_tree_level_order_traversal)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Breadth_First_Search, Tree, Binary_Tree, Data_Structure_I_Day_11_Tree, Level_1_Day_6_Tree, Udemy_Tree_Stack_Queue, Big_O_Time_O(N)_Space_O(N) | 1 | 91.19

| 0101 |Symmetric Tree| [Java](src/main/java/g0101_0200/s0101_symmetric_tree) [Kotlin](src/main/kotlin/g0101_0200/s0101_symmetric_tree) [TypeScript](src/main/ts/g0101_0200/s0101_symmetric_tree) [Scala](src/main/scala/g0101_0200/s0101_symmetric_tree) [Ruby](src/main/ruby/g0101_0200/s0101_symmetric_tree) [PHP](src/main/php/g0101_0200/s0101_symmetric_tree) [C#](src/main/csharp/g0101_0200/s0101_symmetric_tree) [Go](src/main/go/g0101_0200/s0101_symmetric_tree) [Cpp](src/main/cpp/g0101_0200/s0101_symmetric_tree) [Python](src/main/python/g0101_0200/s0101_symmetric_tree) [Swift](src/main/swift/g0101_0200/s0101_symmetric_tree) [Elixir](src/main/elixir/g0101_0200/s0101_symmetric_tree) [Rust](src/main/rust/g0101_0200/s0101_symmetric_tree) [Dart](src/main/dart/g0101_0200/s0101_symmetric_tree) [C](src/main/c/g0101_0200/s0101_symmetric_tree)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Breadth_First_Search, Tree, Binary_Tree, Data_Structure_I_Day_11_Tree, Level_2_Day_15_Tree, Big_O_Time_O(N)_Space_O(log(N)) | 0 | 100.00

| 0098 |Validate Binary Search Tree| [Java](src/main/java/g0001_0100/s0098_validate_binary_search_tree) [Kotlin](src/main/kotlin/g0001_0100/s0098_validate_binary_search_tree) [TypeScript](src/main/ts/g0001_0100/s0098_validate_binary_search_tree) [Scala](src/main/scala/g0001_0100/s0098_validate_binary_search_tree) [Ruby](src/main/ruby/g0001_0100/s0098_validate_binary_search_tree) [PHP](src/main/php/g0001_0100/s0098_validate_binary_search_tree) [C#](src/main/csharp/g0001_0100/s0098_validate_binary_search_tree) [Go](src/main/go/g0001_0100/s0098_validate_binary_search_tree) [Cpp](src/main/cpp/g0001_0100/s0098_validate_binary_search_tree) [Python](src/main/python/g0001_0100/s0098_validate_binary_search_tree) [Swift](src/main/swift/g0001_0100/s0098_validate_binary_search_tree) [Elixir](src/main/elixir/g0001_0100/s0098_validate_binary_search_tree) [Rust](src/main/rust/g0001_0100/s0098_validate_binary_search_tree) [Dart](src/main/dart/g0001_0100/s0098_validate_binary_search_tree) [C](src/main/c/g0001_0100/s0098_validate_binary_search_tree)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Tree, Binary_Tree, Binary_Search_Tree, Data_Structure_I_Day_14_Tree, Level_1_Day_8_Binary_Search_Tree, Udemy_Tree_Stack_Queue, Big_O_Time_O(N)_Space_O(log(N)) | 0 | 100.00

| 0096 |Unique Binary Search Trees| [Java](src/main/java/g0001_0100/s0096_unique_binary_search_trees) [Kotlin](src/main/kotlin/g0001_0100/s0096_unique_binary_search_trees) [TypeScript](src/main/ts/g0001_0100/s0096_unique_binary_search_trees) [Scala](src/main/scala/g0001_0100/s0096_unique_binary_search_trees) [Ruby](src/main/ruby/g0001_0100/s0096_unique_binary_search_trees) [PHP](src/main/php/g0001_0100/s0096_unique_binary_search_trees) [C#](src/main/csharp/g0001_0100/s0096_unique_binary_search_trees) [Go](src/main/go/g0001_0100/s0096_unique_binary_search_trees) [Cpp](src/main/cpp/g0001_0100/s0096_unique_binary_search_trees) [Python](src/main/python/g0001_0100/s0096_unique_binary_search_trees) [Swift](src/main/swift/g0001_0100/s0096_unique_binary_search_trees) [Elixir](src/main/elixir/g0001_0100/s0096_unique_binary_search_trees) [Rust](src/main/rust/g0001_0100/s0096_unique_binary_search_trees) [Dart](src/main/dart/g0001_0100/s0096_unique_binary_search_trees) [C](src/main/c/g0001_0100/s0096_unique_binary_search_trees)| Medium | Dynamic_Programming, Math, Tree, Binary_Tree, Binary_Search_Tree, Dynamic_Programming_I_Day_11, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

| 0094 |Binary Tree Inorder Traversal| [Java](src/main/java/g0001_0100/s0094_binary_tree_inorder_traversal) [Kotlin](src/main/kotlin/g0001_0100/s0094_binary_tree_inorder_traversal) [TypeScript](src/main/ts/g0001_0100/s0094_binary_tree_inorder_traversal) [Scala](src/main/scala/g0001_0100/s0094_binary_tree_inorder_traversal) [Ruby](src/main/ruby/g0001_0100/s0094_binary_tree_inorder_traversal) [PHP](src/main/php/g0001_0100/s0094_binary_tree_inorder_traversal) [C#](src/main/csharp/g0001_0100/s0094_binary_tree_inorder_traversal) [Go](src/main/go/g0001_0100/s0094_binary_tree_inorder_traversal) [Cpp](src/main/cpp/g0001_0100/s0094_binary_tree_inorder_traversal) [Python](src/main/python/g0001_0100/s0094_binary_tree_inorder_traversal) [Swift](src/main/swift/g0001_0100/s0094_binary_tree_inorder_traversal) [Elixir](src/main/elixir/g0001_0100/s0094_binary_tree_inorder_traversal) [Rust](src/main/rust/g0001_0100/s0094_binary_tree_inorder_traversal) [Dart](src/main/dart/g0001_0100/s0094_binary_tree_inorder_traversal) [C](src/main/c/g0001_0100/s0094_binary_tree_inorder_traversal)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Depth_First_Search, Tree, Binary_Tree, Stack, Data_Structure_I_Day_10_Tree, Udemy_Tree_Stack_Queue, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0084 |Largest Rectangle in Histogram| [Java](src/main/java/g0001_0100/s0084_largest_rectangle_in_histogram) [Kotlin](src/main/kotlin/g0001_0100/s0084_largest_rectangle_in_histogram) [TypeScript](src/main/ts/g0001_0100/s0084_largest_rectangle_in_histogram) [Scala](src/main/scala/g0001_0100/s0084_largest_rectangle_in_histogram) [Ruby](src/main/ruby/g0001_0100/s0084_largest_rectangle_in_histogram) [PHP](src/main/php/g0001_0100/s0084_largest_rectangle_in_histogram) [C#](src/main/csharp/g0001_0100/s0084_largest_rectangle_in_histogram) [Go](src/main/go/g0001_0100/s0084_largest_rectangle_in_histogram) [Cpp](src/main/cpp/g0001_0100/s0084_largest_rectangle_in_histogram) [Python](src/main/python/g0001_0100/s0084_largest_rectangle_in_histogram) [Swift](src/main/swift/g0001_0100/s0084_largest_rectangle_in_histogram) [Elixir](src/main/elixir/g0001_0100/s0084_largest_rectangle_in_histogram) [Rust](src/main/rust/g0001_0100/s0084_largest_rectangle_in_histogram) [Dart](src/main/dart/g0001_0100/s0084_largest_rectangle_in_histogram) [C](src/main/c/g0001_0100/s0084_largest_rectangle_in_histogram)| Hard | Top_100_Liked_Questions, Top_Interview_Questions, Array, Stack, Monotonic_Stack, Big_O_Time_O(n_log_n)_Space_O(log_n) | 9 | 93.28

| 0079 |Word Search| [Java](src/main/java/g0001_0100/s0079_word_search) [Kotlin](src/main/kotlin/g0001_0100/s0079_word_search) [TypeScript](src/main/ts/g0001_0100/s0079_word_search) [Scala](src/main/scala/g0001_0100/s0079_word_search) [Ruby](src/main/ruby/g0001_0100/s0079_word_search) [PHP](src/main/php/g0001_0100/s0079_word_search) [C#](src/main/csharp/g0001_0100/s0079_word_search) [Go](src/main/go/g0001_0100/s0079_word_search) [Cpp](src/main/cpp/g0001_0100/s0079_word_search) [Python](src/main/python/g0001_0100/s0079_word_search) [Swift](src/main/swift/g0001_0100/s0079_word_search) [Elixir](src/main/elixir/g0001_0100/s0079_word_search) [Rust](src/main/rust/g0001_0100/s0079_word_search) [Dart](src/main/dart/g0001_0100/s0079_word_search) [C](src/main/c/g0001_0100/s0079_word_search)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Matrix, Backtracking, Algorithm_II_Day_11_Recursion_Backtracking, Big_O_Time_O(4^(m\*n))_Space_O(m\*n) | 64 | 98.51

| 0078 |Subsets| [Java](src/main/java/g0001_0100/s0078_subsets) [Kotlin](src/main/kotlin/g0001_0100/s0078_subsets) [TypeScript](src/main/ts/g0001_0100/s0078_subsets) [Scala](src/main/scala/g0001_0100/s0078_subsets) [Ruby](src/main/ruby/g0001_0100/s0078_subsets) [PHP](src/main/php/g0001_0100/s0078_subsets) [C#](src/main/csharp/g0001_0100/s0078_subsets) [Go](src/main/go/g0001_0100/s0078_subsets) [Cpp](src/main/cpp/g0001_0100/s0078_subsets) [Python](src/main/python/g0001_0100/s0078_subsets) [Swift](src/main/swift/g0001_0100/s0078_subsets) [Elixir](src/main/elixir/g0001_0100/s0078_subsets) [Rust](src/main/rust/g0001_0100/s0078_subsets) [Dart](src/main/dart/g0001_0100/s0078_subsets) [C](src/main/c/g0001_0100/s0078_subsets)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Bit_Manipulation, Backtracking, Algorithm_II_Day_9_Recursion_Backtracking, Udemy_Backtracking/Recursion, Big_O_Time_O(2^n)_Space_O(n\*2^n) | 0 | 100.00

| 0076 |Minimum Window Substring| [Java](src/main/java/g0001_0100/s0076_minimum_window_substring) [Kotlin](src/main/kotlin/g0001_0100/s0076_minimum_window_substring) [TypeScript](src/main/ts/g0001_0100/s0076_minimum_window_substring) [Scala](src/main/scala/g0001_0100/s0076_minimum_window_substring) [Ruby](src/main/ruby/g0001_0100/s0076_minimum_window_substring) [PHP](src/main/php/g0001_0100/s0076_minimum_window_substring) [C#](src/main/csharp/g0001_0100/s0076_minimum_window_substring) [Go](src/main/go/g0001_0100/s0076_minimum_window_substring) [Cpp](src/main/cpp/g0001_0100/s0076_minimum_window_substring) [Python](src/main/python/g0001_0100/s0076_minimum_window_substring) [Swift](src/main/swift/g0001_0100/s0076_minimum_window_substring) [Elixir](src/main/elixir/g0001_0100/s0076_minimum_window_substring) [Rust](src/main/rust/g0001_0100/s0076_minimum_window_substring) [Dart](src/main/dart/g0001_0100/s0076_minimum_window_substring) [C](src/main/c/g0001_0100/s0076_minimum_window_substring)| Hard | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Sliding_Window, Level_2_Day_14_Sliding_Window/Two_Pointer, Big_O_Time_O(s.length())_Space_O(1) | 2 | 99.83

| 0075 |Sort Colors| [Java](src/main/java/g0001_0100/s0075_sort_colors) [Kotlin](src/main/kotlin/g0001_0100/s0075_sort_colors) [TypeScript](src/main/ts/g0001_0100/s0075_sort_colors) [Scala](src/main/scala/g0001_0100/s0075_sort_colors) [Ruby](src/main/ruby/g0001_0100/s0075_sort_colors) [PHP](src/main/php/g0001_0100/s0075_sort_colors) [C#](src/main/csharp/g0001_0100/s0075_sort_colors) [Go](src/main/go/g0001_0100/s0075_sort_colors) [Cpp](src/main/cpp/g0001_0100/s0075_sort_colors) [Python](src/main/python/g0001_0100/s0075_sort_colors) [Swift](src/main/swift/g0001_0100/s0075_sort_colors) [Elixir](src/main/elixir/g0001_0100/s0075_sort_colors) [Rust](src/main/rust/g0001_0100/s0075_sort_colors) [Dart](src/main/dart/g0001_0100/s0075_sort_colors) [C](src/main/c/g0001_0100/s0075_sort_colors)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Sorting, Two_Pointers, Data_Structure_II_Day_2_Array, Udemy_Arrays, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

| 0074 |Search a 2D Matrix| [Java](src/main/java/g0001_0100/s0074_search_a_2d_matrix) [Kotlin](src/main/kotlin/g0001_0100/s0074_search_a_2d_matrix) [TypeScript](src/main/ts/g0001_0100/s0074_search_a_2d_matrix) [Scala](src/main/scala/g0001_0100/s0074_search_a_2d_matrix) [Ruby](src/main/ruby/g0001_0100/s0074_search_a_2d_matrix) [PHP](src/main/php/g0001_0100/s0074_search_a_2d_matrix) [C#](src/main/csharp/g0001_0100/s0074_search_a_2d_matrix) [Go](src/main/go/g0001_0100/s0074_search_a_2d_matrix) [Cpp](src/main/cpp/g0001_0100/s0074_search_a_2d_matrix) [Python](src/main/python/g0001_0100/s0074_search_a_2d_matrix) [Swift](src/main/swift/g0001_0100/s0074_search_a_2d_matrix) [Elixir](src/main/elixir/g0001_0100/s0074_search_a_2d_matrix) [Rust](src/main/rust/g0001_0100/s0074_search_a_2d_matrix) [Dart](src/main/dart/g0001_0100/s0074_search_a_2d_matrix) [C](src/main/c/g0001_0100/s0074_search_a_2d_matrix)| Medium | Top_100_Liked_Questions, Array, Binary_Search, Matrix, Data_Structure_I_Day_5_Array, Algorithm_II_Day_1_Binary_Search, Binary_Search_I_Day_8, Level_2_Day_8_Binary_Search, Udemy_2D_Arrays/Matrix, Big_O_Time_O(endRow+endCol)_Space_O(1) | 0 | 100.00

| 0073 |Set Matrix Zeroes| [Java](src/main/java/g0001_0100/s0073_set_matrix_zeroes) [Kotlin](src/main/kotlin/g0001_0100/s0073_set_matrix_zeroes) [TypeScript](src/main/ts/g0001_0100/s0073_set_matrix_zeroes) [Scala](src/main/scala/g0001_0100/s0073_set_matrix_zeroes) [Ruby](src/main/ruby/g0001_0100/s0073_set_matrix_zeroes) [PHP](src/main/php/g0001_0100/s0073_set_matrix_zeroes) [C#](src/main/csharp/g0001_0100/s0073_set_matrix_zeroes) [Go](src/main/go/g0001_0100/s0073_set_matrix_zeroes) [Cpp](src/main/cpp/g0001_0100/s0073_set_matrix_zeroes) [Python](src/main/python/g0001_0100/s0073_set_matrix_zeroes) [Swift](src/main/swift/g0001_0100/s0073_set_matrix_zeroes) [Elixir](src/main/elixir/g0001_0100/s0073_set_matrix_zeroes) [Rust](src/main/rust/g0001_0100/s0073_set_matrix_zeroes) [Dart](src/main/dart/g0001_0100/s0073_set_matrix_zeroes) [C](src/main/c/g0001_0100/s0073_set_matrix_zeroes)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Matrix, Udemy_2D_Arrays/Matrix, Big_O_Time_O(m\*n)_Space_O(1) | 0 | 100.00

| 0072 |Edit Distance| [Java](src/main/java/g0001_0100/s0072_edit_distance) [Kotlin](src/main/kotlin/g0001_0100/s0072_edit_distance) [TypeScript](src/main/ts/g0001_0100/s0072_edit_distance) [Scala](src/main/scala/g0001_0100/s0072_edit_distance) [Ruby](src/main/ruby/g0001_0100/s0072_edit_distance) [PHP](src/main/php/g0001_0100/s0072_edit_distance) [C#](src/main/csharp/g0001_0100/s0072_edit_distance) [Go](src/main/go/g0001_0100/s0072_edit_distance) [Cpp](src/main/cpp/g0001_0100/s0072_edit_distance) [Python](src/main/python/g0001_0100/s0072_edit_distance) [Swift](src/main/swift/g0001_0100/s0072_edit_distance) [Elixir](src/main/elixir/g0001_0100/s0072_edit_distance) [Rust](src/main/rust/g0001_0100/s0072_edit_distance) [Dart](src/main/dart/g0001_0100/s0072_edit_distance) [C](src/main/c/g0001_0100/s0072_edit_distance)| Medium | Top_100_Liked_Questions, String, Dynamic_Programming, Algorithm_II_Day_18_Dynamic_Programming, Dynamic_Programming_I_Day_19, Udemy_Dynamic_Programming, Big_O_Time_O(n^2)_Space_O(n2) | 3 | 97.19

| 0070 |Climbing Stairs| [Java](src/main/java/g0001_0100/s0070_climbing_stairs) [Kotlin](src/main/kotlin/g0001_0100/s0070_climbing_stairs) [TypeScript](src/main/ts/g0001_0100/s0070_climbing_stairs) [Scala](src/main/scala/g0001_0100/s0070_climbing_stairs) [Ruby](src/main/ruby/g0001_0100/s0070_climbing_stairs) [PHP](src/main/php/g0001_0100/s0070_climbing_stairs) [C#](src/main/csharp/g0001_0100/s0070_climbing_stairs) [Go](src/main/go/g0001_0100/s0070_climbing_stairs) [Cpp](src/main/cpp/g0001_0100/s0070_climbing_stairs) [Python](src/main/python/g0001_0100/s0070_climbing_stairs) [Swift](src/main/swift/g0001_0100/s0070_climbing_stairs) [Elixir](src/main/elixir/g0001_0100/s0070_climbing_stairs) [Rust](src/main/rust/g0001_0100/s0070_climbing_stairs) [Dart](src/main/dart/g0001_0100/s0070_climbing_stairs) [C](src/main/c/g0001_0100/s0070_climbing_stairs)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Dynamic_Programming, Math, Memoization, Algorithm_I_Day_12_Dynamic_Programming, Dynamic_Programming_I_Day_2, Level_1_Day_10_Dynamic_Programming, Udemy_Dynamic_Programming, Big_O_Time_O(n)_Space_O(n) | 0 | 100.00

| 0064 |Minimum Path Sum| [Java](src/main/java/g0001_0100/s0064_minimum_path_sum) [Kotlin](src/main/kotlin/g0001_0100/s0064_minimum_path_sum) [TypeScript](src/main/ts/g0001_0100/s0064_minimum_path_sum) [Scala](src/main/scala/g0001_0100/s0064_minimum_path_sum) [Ruby](src/main/ruby/g0001_0100/s0064_minimum_path_sum) [PHP](src/main/php/g0001_0100/s0064_minimum_path_sum) [C#](src/main/csharp/g0001_0100/s0064_minimum_path_sum) [Go](src/main/go/g0001_0100/s0064_minimum_path_sum) [Cpp](src/main/cpp/g0001_0100/s0064_minimum_path_sum) [Python](src/main/python/g0001_0100/s0064_minimum_path_sum) [Swift](src/main/swift/g0001_0100/s0064_minimum_path_sum) [Elixir](src/main/elixir/g0001_0100/s0064_minimum_path_sum) [Rust](src/main/rust/g0001_0100/s0064_minimum_path_sum) [Dart](src/main/dart/g0001_0100/s0064_minimum_path_sum) [C](src/main/c/g0001_0100/s0064_minimum_path_sum)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Matrix, Dynamic_Programming_I_Day_16, Udemy_Dynamic_Programming, Big_O_Time_O(m\*n)_Space_O(m\*n) | 1 | 99.73

| 0062 |Unique Paths| [Java](src/main/java/g0001_0100/s0062_unique_paths) [Kotlin](src/main/kotlin/g0001_0100/s0062_unique_paths) [TypeScript](src/main/ts/g0001_0100/s0062_unique_paths) [Scala](src/main/scala/g0001_0100/s0062_unique_paths) [Ruby](src/main/ruby/g0001_0100/s0062_unique_paths) [PHP](src/main/php/g0001_0100/s0062_unique_paths) [C#](src/main/csharp/g0001_0100/s0062_unique_paths) [Go](src/main/go/g0001_0100/s0062_unique_paths) [Cpp](src/main/cpp/g0001_0100/s0062_unique_paths) [Python](src/main/python/g0001_0100/s0062_unique_paths) [Swift](src/main/swift/g0001_0100/s0062_unique_paths) [Elixir](src/main/elixir/g0001_0100/s0062_unique_paths) [Rust](src/main/rust/g0001_0100/s0062_unique_paths) [Dart](src/main/dart/g0001_0100/s0062_unique_paths) [C](src/main/c/g0001_0100/s0062_unique_paths)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Dynamic_Programming, Math, Combinatorics, Algorithm_II_Day_13_Dynamic_Programming, Dynamic_Programming_I_Day_15, Level_1_Day_11_Dynamic_Programming, Big_O_Time_O(m\*n)_Space_O(m\*n) | 0 | 100.00

| 0056 |Merge Intervals| [Java](src/main/java/g0001_0100/s0056_merge_intervals) [Kotlin](src/main/kotlin/g0001_0100/s0056_merge_intervals) [TypeScript](src/main/ts/g0001_0100/s0056_merge_intervals) [Scala](src/main/scala/g0001_0100/s0056_merge_intervals) [Ruby](src/main/ruby/g0001_0100/s0056_merge_intervals) [PHP](src/main/php/g0001_0100/s0056_merge_intervals) [C#](src/main/csharp/g0001_0100/s0056_merge_intervals) [Go](src/main/go/g0001_0100/s0056_merge_intervals) [Cpp](src/main/cpp/g0001_0100/s0056_merge_intervals) [Python](src/main/python/g0001_0100/s0056_merge_intervals) [Swift](src/main/swift/g0001_0100/s0056_merge_intervals) [Elixir](src/main/elixir/g0001_0100/s0056_merge_intervals) [Rust](src/main/rust/g0001_0100/s0056_merge_intervals) [Dart](src/main/dart/g0001_0100/s0056_merge_intervals) [C](src/main/c/g0001_0100/s0056_merge_intervals)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Sorting, Data_Structure_II_Day_2_Array, Level_2_Day_17_Interval, Udemy_2D_Arrays/Matrix, Big_O_Time_O(n_log_n)_Space_O(n) | 7 | 98.37

| 0055 |Jump Game| [Java](src/main/java/g0001_0100/s0055_jump_game) [Kotlin](src/main/kotlin/g0001_0100/s0055_jump_game) [TypeScript](src/main/ts/g0001_0100/s0055_jump_game) [Scala](src/main/scala/g0001_0100/s0055_jump_game) [Ruby](src/main/ruby/g0001_0100/s0055_jump_game) [PHP](src/main/php/g0001_0100/s0055_jump_game) [C#](src/main/csharp/g0001_0100/s0055_jump_game) [Go](src/main/go/g0001_0100/s0055_jump_game) [Cpp](src/main/cpp/g0001_0100/s0055_jump_game) [Python](src/main/python/g0001_0100/s0055_jump_game) [Swift](src/main/swift/g0001_0100/s0055_jump_game) [Elixir](src/main/elixir/g0001_0100/s0055_jump_game) [Rust](src/main/rust/g0001_0100/s0055_jump_game) [Dart](src/main/dart/g0001_0100/s0055_jump_game) [C](src/main/c/g0001_0100/s0055_jump_game)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Greedy, Algorithm_II_Day_12_Dynamic_Programming, Dynamic_Programming_I_Day_4, Udemy_Arrays, Big_O_Time_O(n)_Space_O(1) | 1 | 100.00

| 0053 |Maximum Subarray| [Java](src/main/java/g0001_0100/s0053_maximum_subarray) [Kotlin](src/main/kotlin/g0001_0100/s0053_maximum_subarray) [TypeScript](src/main/ts/g0001_0100/s0053_maximum_subarray) [Scala](src/main/scala/g0001_0100/s0053_maximum_subarray) [Ruby](src/main/ruby/g0001_0100/s0053_maximum_subarray) [PHP](src/main/php/g0001_0100/s0053_maximum_subarray) [C#](src/main/csharp/g0001_0100/s0053_maximum_subarray) [Go](src/main/go/g0001_0100/s0053_maximum_subarray) [Cpp](src/main/cpp/g0001_0100/s0053_maximum_subarray) [Python](src/main/python/g0001_0100/s0053_maximum_subarray) [Swift](src/main/swift/g0001_0100/s0053_maximum_subarray) [Elixir](src/main/elixir/g0001_0100/s0053_maximum_subarray) [Rust](src/main/rust/g0001_0100/s0053_maximum_subarray) [Dart](src/main/dart/g0001_0100/s0053_maximum_subarray) [C](src/main/c/g0001_0100/s0053_maximum_subarray)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Divide_and_Conquer, Data_Structure_I_Day_1_Array, Dynamic_Programming_I_Day_5, Udemy_Famous_Algorithm, Big_O_Time_O(n)_Space_O(1) | 1 | 99.32

| 0051 |N-Queens| [Java](src/main/java/g0001_0100/s0051_n_queens) [Kotlin](src/main/kotlin/g0001_0100/s0051_n_queens) [TypeScript](src/main/ts/g0001_0100/s0051_n_queens) [Scala](src/main/scala/g0001_0100/s0051_n_queens) [Ruby](src/main/ruby/g0001_0100/s0051_n_queens) [PHP](src/main/php/g0001_0100/s0051_n_queens) [C#](src/main/csharp/g0001_0100/s0051_n_queens) [Go](src/main/go/g0001_0100/s0051_n_queens) [Cpp](src/main/cpp/g0001_0100/s0051_n_queens) [Python](src/main/python/g0001_0100/s0051_n_queens) [Swift](src/main/swift/g0001_0100/s0051_n_queens) [Elixir](src/main/elixir/g0001_0100/s0051_n_queens) [Rust](src/main/rust/g0001_0100/s0051_n_queens) [Dart](src/main/dart/g0001_0100/s0051_n_queens) [C](src/main/c/g0001_0100/s0051_n_queens)| Hard | Top_100_Liked_Questions, Array, Backtracking, Big_O_Time_O(N!)_Space_O(N) | 1 | 99.77

| 0049 |Group Anagrams| [Java](src/main/java/g0001_0100/s0049_group_anagrams) [Kotlin](src/main/kotlin/g0001_0100/s0049_group_anagrams) [TypeScript](src/main/ts/g0001_0100/s0049_group_anagrams) [Scala](src/main/scala/g0001_0100/s0049_group_anagrams) [Ruby](src/main/ruby/g0001_0100/s0049_group_anagrams) [PHP](src/main/php/g0001_0100/s0049_group_anagrams) [C#](src/main/csharp/g0001_0100/s0049_group_anagrams) [Go](src/main/go/g0001_0100/s0049_group_anagrams) [Cpp](src/main/cpp/g0001_0100/s0049_group_anagrams) [Python](src/main/python/g0001_0100/s0049_group_anagrams) [Swift](src/main/swift/g0001_0100/s0049_group_anagrams) [Elixir](src/main/elixir/g0001_0100/s0049_group_anagrams) [Rust](src/main/rust/g0001_0100/s0049_group_anagrams) [Dart](src/main/dart/g0001_0100/s0049_group_anagrams) [C](src/main/c/g0001_0100/s0049_group_anagrams)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, String, Hash_Table, Sorting, Data_Structure_II_Day_8_String, Programming_Skills_II_Day_11, Udemy_Strings, Big_O_Time_O(n\*k_log_k)_Space_O(n) | 6 | 97.61

| 0048 |Rotate Image| [Java](src/main/java/g0001_0100/s0048_rotate_image) [Kotlin](src/main/kotlin/g0001_0100/s0048_rotate_image) [TypeScript](src/main/ts/g0001_0100/s0048_rotate_image) [Scala](src/main/scala/g0001_0100/s0048_rotate_image) [Ruby](src/main/ruby/g0001_0100/s0048_rotate_image) [PHP](src/main/php/g0001_0100/s0048_rotate_image) [C#](src/main/csharp/g0001_0100/s0048_rotate_image) [Go](src/main/go/g0001_0100/s0048_rotate_image) [Cpp](src/main/cpp/g0001_0100/s0048_rotate_image) [Python](src/main/python/g0001_0100/s0048_rotate_image) [Swift](src/main/swift/g0001_0100/s0048_rotate_image) [Elixir](src/main/elixir/g0001_0100/s0048_rotate_image) [Rust](src/main/rust/g0001_0100/s0048_rotate_image) [Dart](src/main/dart/g0001_0100/s0048_rotate_image) [C](src/main/c/g0001_0100/s0048_rotate_image)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Math, Matrix, Data_Structure_II_Day_3_Array, Programming_Skills_II_Day_7, Udemy_2D_Arrays/Matrix, Big_O_Time_O(n^2)_Space_O(1) | 0 | 100.00

| 0046 |Permutations| [Java](src/main/java/g0001_0100/s0046_permutations) [Kotlin](src/main/kotlin/g0001_0100/s0046_permutations) [TypeScript](src/main/ts/g0001_0100/s0046_permutations) [Scala](src/main/scala/g0001_0100/s0046_permutations) [Ruby](src/main/ruby/g0001_0100/s0046_permutations) [PHP](src/main/php/g0001_0100/s0046_permutations) [C#](src/main/csharp/g0001_0100/s0046_permutations) [Go](src/main/go/g0001_0100/s0046_permutations) [Cpp](src/main/cpp/g0001_0100/s0046_permutations) [Python](src/main/python/g0001_0100/s0046_permutations) [Swift](src/main/swift/g0001_0100/s0046_permutations) [Elixir](src/main/elixir/g0001_0100/s0046_permutations) [Rust](src/main/rust/g0001_0100/s0046_permutations) [Dart](src/main/dart/g0001_0100/s0046_permutations) [C](src/main/c/g0001_0100/s0046_permutations)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Backtracking, Algorithm_I_Day_11_Recursion_Backtracking, Level_2_Day_20_Brute_Force/Backtracking, Udemy_Backtracking/Recursion, Big_O_Time_O(n\*n!)_Space_O(n+n!) | 1 | 94.08

| 0045 |Jump Game II| [Java](src/main/java/g0001_0100/s0045_jump_game_ii) [Kotlin](src/main/kotlin/g0001_0100/s0045_jump_game_ii) [TypeScript](src/main/ts/g0001_0100/s0045_jump_game_ii) [Scala](src/main/scala/g0001_0100/s0045_jump_game_ii) [Ruby](src/main/ruby/g0001_0100/s0045_jump_game_ii) [PHP](src/main/php/g0001_0100/s0045_jump_game_ii) [C#](src/main/csharp/g0001_0100/s0045_jump_game_ii) [Go](src/main/go/g0001_0100/s0045_jump_game_ii) [Cpp](src/main/cpp/g0001_0100/s0045_jump_game_ii) [Python](src/main/python/g0001_0100/s0045_jump_game_ii) [Swift](src/main/swift/g0001_0100/s0045_jump_game_ii) [Elixir](src/main/elixir/g0001_0100/s0045_jump_game_ii) [Rust](src/main/rust/g0001_0100/s0045_jump_game_ii) [Dart](src/main/dart/g0001_0100/s0045_jump_game_ii) [C](src/main/c/g0001_0100/s0045_jump_game_ii)| Medium | Top_100_Liked_Questions, Array, Dynamic_Programming, Greedy, Algorithm_II_Day_13_Dynamic_Programming, Dynamic_Programming_I_Day_4, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

| 0042 |Trapping Rain Water| [Java](src/main/java/g0001_0100/s0042_trapping_rain_water) [Kotlin](src/main/kotlin/g0001_0100/s0042_trapping_rain_water) [TypeScript](src/main/ts/g0001_0100/s0042_trapping_rain_water) [Scala](src/main/scala/g0001_0100/s0042_trapping_rain_water) [Ruby](src/main/ruby/g0001_0100/s0042_trapping_rain_water) [PHP](src/main/php/g0001_0100/s0042_trapping_rain_water) [C#](src/main/csharp/g0001_0100/s0042_trapping_rain_water) [Go](src/main/go/g0001_0100/s0042_trapping_rain_water) [Cpp](src/main/cpp/g0001_0100/s0042_trapping_rain_water) [Python](src/main/python/g0001_0100/s0042_trapping_rain_water) [Swift](src/main/swift/g0001_0100/s0042_trapping_rain_water) [Elixir](src/main/elixir/g0001_0100/s0042_trapping_rain_water) [Rust](src/main/rust/g0001_0100/s0042_trapping_rain_water) [Dart](src/main/dart/g0001_0100/s0042_trapping_rain_water) [C](src/main/c/g0001_0100/s0042_trapping_rain_water)| Hard | Top_100_Liked_Questions, Top_Interview_Questions, Array, Dynamic_Programming, Two_Pointers, Stack, Monotonic_Stack, Dynamic_Programming_I_Day_9, Udemy_Two_Pointers, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

| 0041 |First Missing Positive| [Java](src/main/java/g0001_0100/s0041_first_missing_positive) [Kotlin](src/main/kotlin/g0001_0100/s0041_first_missing_positive) [TypeScript](src/main/ts/g0001_0100/s0041_first_missing_positive) [Scala](src/main/scala/g0001_0100/s0041_first_missing_positive) [Ruby](src/main/ruby/g0001_0100/s0041_first_missing_positive) [PHP](src/main/php/g0001_0100/s0041_first_missing_positive) [C#](src/main/csharp/g0001_0100/s0041_first_missing_positive) [Go](src/main/go/g0001_0100/s0041_first_missing_positive) [Cpp](src/main/cpp/g0001_0100/s0041_first_missing_positive) [Python](src/main/python/g0001_0100/s0041_first_missing_positive) [Swift](src/main/swift/g0001_0100/s0041_first_missing_positive) [Elixir](src/main/elixir/g0001_0100/s0041_first_missing_positive) [Rust](src/main/rust/g0001_0100/s0041_first_missing_positive) [Dart](src/main/dart/g0001_0100/s0041_first_missing_positive) [C](src/main/c/g0001_0100/s0041_first_missing_positive)| Hard | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Udemy_Arrays, Big_O_Time_O(n)_Space_O(n) | 1 | 100.00

| 0039 |Combination Sum| [Java](src/main/java/g0001_0100/s0039_combination_sum) [Kotlin](src/main/kotlin/g0001_0100/s0039_combination_sum) [TypeScript](src/main/ts/g0001_0100/s0039_combination_sum) [Scala](src/main/scala/g0001_0100/s0039_combination_sum) [Ruby](src/main/ruby/g0001_0100/s0039_combination_sum) [PHP](src/main/php/g0001_0100/s0039_combination_sum) [C#](src/main/csharp/g0001_0100/s0039_combination_sum) [Go](src/main/go/g0001_0100/s0039_combination_sum) [Cpp](src/main/cpp/g0001_0100/s0039_combination_sum) [Python](src/main/python/g0001_0100/s0039_combination_sum) [Swift](src/main/swift/g0001_0100/s0039_combination_sum) [Elixir](src/main/elixir/g0001_0100/s0039_combination_sum) [Rust](src/main/rust/g0001_0100/s0039_combination_sum) [Dart](src/main/dart/g0001_0100/s0039_combination_sum) [C](src/main/c/g0001_0100/s0039_combination_sum)| Medium | Top_100_Liked_Questions, Array, Backtracking, Algorithm_II_Day_10_Recursion_Backtracking, Level_2_Day_20_Brute_Force/Backtracking, Udemy_Backtracking/Recursion, Big_O_Time_O(2^n)_Space_O(n+2^n) | 1 | 99.99

| 0035 |Search Insert Position| [Java](src/main/java/g0001_0100/s0035_search_insert_position) [Kotlin](src/main/kotlin/g0001_0100/s0035_search_insert_position) [TypeScript](src/main/ts/g0001_0100/s0035_search_insert_position) [Scala](src/main/scala/g0001_0100/s0035_search_insert_position) [Ruby](src/main/ruby/g0001_0100/s0035_search_insert_position) [PHP](src/main/php/g0001_0100/s0035_search_insert_position) [C#](src/main/csharp/g0001_0100/s0035_search_insert_position) [Go](src/main/go/g0001_0100/s0035_search_insert_position) [Cpp](src/main/cpp/g0001_0100/s0035_search_insert_position) [Python](src/main/python/g0001_0100/s0035_search_insert_position) [Swift](src/main/swift/g0001_0100/s0035_search_insert_position) [Elixir](src/main/elixir/g0001_0100/s0035_search_insert_position) [Rust](src/main/rust/g0001_0100/s0035_search_insert_position) [Dart](src/main/dart/g0001_0100/s0035_search_insert_position) [C](src/main/c/g0001_0100/s0035_search_insert_position)| Easy | Top_100_Liked_Questions, Array, Binary_Search, Algorithm_I_Day_1_Binary_Search, Binary_Search_I_Day_2, Big_O_Time_O(log_n)_Space_O(1) | 0 | 100.00

| 0034 |Find First and Last Position of Element in Sorted Array| [Java](src/main/java/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Kotlin](src/main/kotlin/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [TypeScript](src/main/ts/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Scala](src/main/scala/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Ruby](src/main/ruby/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [PHP](src/main/php/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [C#](src/main/csharp/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Go](src/main/go/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Cpp](src/main/cpp/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Python](src/main/python/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Swift](src/main/swift/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Elixir](src/main/elixir/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Rust](src/main/rust/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [Dart](src/main/dart/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array) [C](src/main/c/g0001_0100/s0034_find_first_and_last_position_of_element_in_sorted_array)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Binary_Search, Algorithm_II_Day_1_Binary_Search, Binary_Search_I_Day_5, Big_O_Time_O(log_n)_Space_O(1) | 0 | 100.00

| 0033 |Search in Rotated Sorted Array| [Java](src/main/java/g0001_0100/s0033_search_in_rotated_sorted_array) [Kotlin](src/main/kotlin/g0001_0100/s0033_search_in_rotated_sorted_array) [TypeScript](src/main/ts/g0001_0100/s0033_search_in_rotated_sorted_array) [Scala](src/main/scala/g0001_0100/s0033_search_in_rotated_sorted_array) [Ruby](src/main/ruby/g0001_0100/s0033_search_in_rotated_sorted_array) [PHP](src/main/php/g0001_0100/s0033_search_in_rotated_sorted_array) [C#](src/main/csharp/g0001_0100/s0033_search_in_rotated_sorted_array) [Go](src/main/go/g0001_0100/s0033_search_in_rotated_sorted_array) [Cpp](src/main/cpp/g0001_0100/s0033_search_in_rotated_sorted_array) [Python](src/main/python/g0001_0100/s0033_search_in_rotated_sorted_array) [Swift](src/main/swift/g0001_0100/s0033_search_in_rotated_sorted_array) [Elixir](src/main/elixir/g0001_0100/s0033_search_in_rotated_sorted_array) [Rust](src/main/rust/g0001_0100/s0033_search_in_rotated_sorted_array) [Dart](src/main/dart/g0001_0100/s0033_search_in_rotated_sorted_array) [C](src/main/c/g0001_0100/s0033_search_in_rotated_sorted_array)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Binary_Search, Algorithm_II_Day_1_Binary_Search, Binary_Search_I_Day_11, Level_2_Day_8_Binary_Search, Udemy_Binary_Search, Big_O_Time_O(log_n)_Space_O(1) | 0 | 100.00

| 0032 |Longest Valid Parentheses| [Java](src/main/java/g0001_0100/s0032_longest_valid_parentheses) [Kotlin](src/main/kotlin/g0001_0100/s0032_longest_valid_parentheses) [TypeScript](src/main/ts/g0001_0100/s0032_longest_valid_parentheses) [Scala](src/main/scala/g0001_0100/s0032_longest_valid_parentheses) [Ruby](src/main/ruby/g0001_0100/s0032_longest_valid_parentheses) [PHP](src/main/php/g0001_0100/s0032_longest_valid_parentheses) [C#](src/main/csharp/g0001_0100/s0032_longest_valid_parentheses) [Go](src/main/go/g0001_0100/s0032_longest_valid_parentheses) [Cpp](src/main/cpp/g0001_0100/s0032_longest_valid_parentheses) [Python](src/main/python/g0001_0100/s0032_longest_valid_parentheses) [Swift](src/main/swift/g0001_0100/s0032_longest_valid_parentheses) [Elixir](src/main/elixir/g0001_0100/s0032_longest_valid_parentheses) [Rust](src/main/rust/g0001_0100/s0032_longest_valid_parentheses) [Dart](src/main/dart/g0001_0100/s0032_longest_valid_parentheses) [C](src/main/c/g0001_0100/s0032_longest_valid_parentheses)| Hard | Top_100_Liked_Questions, String, Dynamic_Programming, Stack, Big_O_Time_O(n)_Space_O(1) | 1 | 99.74

| 0031 |Next Permutation| [Java](src/main/java/g0001_0100/s0031_next_permutation) [Kotlin](src/main/kotlin/g0001_0100/s0031_next_permutation) [TypeScript](src/main/ts/g0001_0100/s0031_next_permutation) [Scala](src/main/scala/g0001_0100/s0031_next_permutation) [Ruby](src/main/ruby/g0001_0100/s0031_next_permutation) [PHP](src/main/php/g0001_0100/s0031_next_permutation) [C#](src/main/csharp/g0001_0100/s0031_next_permutation) [Go](src/main/go/g0001_0100/s0031_next_permutation) [Cpp](src/main/cpp/g0001_0100/s0031_next_permutation) [Python](src/main/python/g0001_0100/s0031_next_permutation) [Swift](src/main/swift/g0001_0100/s0031_next_permutation) [Elixir](src/main/elixir/g0001_0100/s0031_next_permutation) [Rust](src/main/rust/g0001_0100/s0031_next_permutation) [Dart](src/main/dart/g0001_0100/s0031_next_permutation) [C](src/main/c/g0001_0100/s0031_next_permutation)| Medium | Top_100_Liked_Questions, Array, Two_Pointers, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

| 0025 |Reverse Nodes in k-Group| [Java](src/main/java/g0001_0100/s0025_reverse_nodes_in_k_group) [Kotlin](src/main/kotlin/g0001_0100/s0025_reverse_nodes_in_k_group) [TypeScript](src/main/ts/g0001_0100/s0025_reverse_nodes_in_k_group) [Scala](src/main/scala/g0001_0100/s0025_reverse_nodes_in_k_group) [Ruby](src/main/ruby/g0001_0100/s0025_reverse_nodes_in_k_group) [PHP](src/main/php/g0001_0100/s0025_reverse_nodes_in_k_group) [C#](src/main/csharp/g0001_0100/s0025_reverse_nodes_in_k_group) [Go](src/main/go/g0001_0100/s0025_reverse_nodes_in_k_group) [Cpp](src/main/cpp/g0001_0100/s0025_reverse_nodes_in_k_group) [Python](src/main/python/g0001_0100/s0025_reverse_nodes_in_k_group) [Swift](src/main/swift/g0001_0100/s0025_reverse_nodes_in_k_group) [Elixir](src/main/elixir/g0001_0100/s0025_reverse_nodes_in_k_group) [Rust](src/main/rust/g0001_0100/s0025_reverse_nodes_in_k_group) [Dart](src/main/dart/g0001_0100/s0025_reverse_nodes_in_k_group) [C](src/main/c/g0001_0100/s0025_reverse_nodes_in_k_group)| Hard | Top_100_Liked_Questions, Linked_List, Recursion, Data_Structure_II_Day_13_Linked_List, Udemy_Linked_List, Big_O_Time_O(n)_Space_O(k) | 0 | 100.00

| 0024 |Swap Nodes in Pairs| [Java](src/main/java/g0001_0100/s0024_swap_nodes_in_pairs) [Kotlin](src/main/kotlin/g0001_0100/s0024_swap_nodes_in_pairs) [TypeScript](src/main/ts/g0001_0100/s0024_swap_nodes_in_pairs) [Scala](src/main/scala/g0001_0100/s0024_swap_nodes_in_pairs) [Ruby](src/main/ruby/g0001_0100/s0024_swap_nodes_in_pairs) [PHP](src/main/php/g0001_0100/s0024_swap_nodes_in_pairs) [C#](src/main/csharp/g0001_0100/s0024_swap_nodes_in_pairs) [Go](src/main/go/g0001_0100/s0024_swap_nodes_in_pairs) [Cpp](src/main/cpp/g0001_0100/s0024_swap_nodes_in_pairs) [Python](src/main/python/g0001_0100/s0024_swap_nodes_in_pairs) [Swift](src/main/swift/g0001_0100/s0024_swap_nodes_in_pairs) [Elixir](src/main/elixir/g0001_0100/s0024_swap_nodes_in_pairs) [Rust](src/main/rust/g0001_0100/s0024_swap_nodes_in_pairs) [Dart](src/main/dart/g0001_0100/s0024_swap_nodes_in_pairs) [C](src/main/c/g0001_0100/s0024_swap_nodes_in_pairs)| Medium | Top_100_Liked_Questions, Linked_List, Recursion, Data_Structure_II_Day_12_Linked_List, Udemy_Linked_List, Big_O_Time_O(n)_Space_O(1) | 0 | 100.00

| 0023 |Merge k Sorted Lists| [Java](src/main/java/g0001_0100/s0023_merge_k_sorted_lists) [Kotlin](src/main/kotlin/g0001_0100/s0023_merge_k_sorted_lists) [TypeScript](src/main/ts/g0001_0100/s0023_merge_k_sorted_lists) [Scala](src/main/scala/g0001_0100/s0023_merge_k_sorted_lists) [Ruby](src/main/ruby/g0001_0100/s0023_merge_k_sorted_lists) [PHP](src/main/php/g0001_0100/s0023_merge_k_sorted_lists) [C#](src/main/csharp/g0001_0100/s0023_merge_k_sorted_lists) [Go](src/main/go/g0001_0100/s0023_merge_k_sorted_lists) [Cpp](src/main/cpp/g0001_0100/s0023_merge_k_sorted_lists) [Python](src/main/python/g0001_0100/s0023_merge_k_sorted_lists) [Swift](src/main/swift/g0001_0100/s0023_merge_k_sorted_lists) [Elixir](src/main/elixir/g0001_0100/s0023_merge_k_sorted_lists) [Rust](src/main/rust/g0001_0100/s0023_merge_k_sorted_lists) [Dart](src/main/dart/g0001_0100/s0023_merge_k_sorted_lists) [C](src/main/c/g0001_0100/s0023_merge_k_sorted_lists)| Hard | Top_100_Liked_Questions, Top_Interview_Questions, Heap_Priority_Queue, Linked_List, Divide_and_Conquer, Merge_Sort, Big_O_Time_O(k\*n\*log(k))_Space_O(log(k)) | 1 | 99.86

| 0022 |Generate Parentheses| [Java](src/main/java/g0001_0100/s0022_generate_parentheses) [Kotlin](src/main/kotlin/g0001_0100/s0022_generate_parentheses) [TypeScript](src/main/ts/g0001_0100/s0022_generate_parentheses) [Scala](src/main/scala/g0001_0100/s0022_generate_parentheses) [Ruby](src/main/ruby/g0001_0100/s0022_generate_parentheses) [PHP](src/main/php/g0001_0100/s0022_generate_parentheses) [C#](src/main/csharp/g0001_0100/s0022_generate_parentheses) [Go](src/main/go/g0001_0100/s0022_generate_parentheses) [Cpp](src/main/cpp/g0001_0100/s0022_generate_parentheses) [Python](src/main/python/g0001_0100/s0022_generate_parentheses) [Swift](src/main/swift/g0001_0100/s0022_generate_parentheses) [Elixir](src/main/elixir/g0001_0100/s0022_generate_parentheses) [Rust](src/main/rust/g0001_0100/s0022_generate_parentheses) [Dart](src/main/dart/g0001_0100/s0022_generate_parentheses) [C](src/main/c/g0001_0100/s0022_generate_parentheses)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Dynamic_Programming, Backtracking, Algorithm_II_Day_11_Recursion_Backtracking, Udemy_Backtracking/Recursion, Big_O_Time_O(2^n)_Space_O(n) | 0 | 100.00

| 0021 |Merge Two Sorted Lists| [Java](src/main/java/g0001_0100/s0021_merge_two_sorted_lists) [Kotlin](src/main/kotlin/g0001_0100/s0021_merge_two_sorted_lists) [TypeScript](src/main/ts/g0001_0100/s0021_merge_two_sorted_lists) [Scala](src/main/scala/g0001_0100/s0021_merge_two_sorted_lists) [Ruby](src/main/ruby/g0001_0100/s0021_merge_two_sorted_lists) [PHP](src/main/php/g0001_0100/s0021_merge_two_sorted_lists) [C#](src/main/csharp/g0001_0100/s0021_merge_two_sorted_lists) [Go](src/main/go/g0001_0100/s0021_merge_two_sorted_lists) [Cpp](src/main/cpp/g0001_0100/s0021_merge_two_sorted_lists) [Python](src/main/python/g0001_0100/s0021_merge_two_sorted_lists) [Swift](src/main/swift/g0001_0100/s0021_merge_two_sorted_lists) [Elixir](src/main/elixir/g0001_0100/s0021_merge_two_sorted_lists) [Rust](src/main/rust/g0001_0100/s0021_merge_two_sorted_lists) [Dart](src/main/dart/g0001_0100/s0021_merge_two_sorted_lists) [C](src/main/c/g0001_0100/s0021_merge_two_sorted_lists)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Linked_List, Recursion, Data_Structure_I_Day_7_Linked_List, Algorithm_I_Day_10_Recursion_Backtracking, Level_1_Day_3_Linked_List, Udemy_Linked_List, Big_O_Time_O(m+n)_Space_O(m+n) | 0 | 100.00

| 0020 |Valid Parentheses| [Java](src/main/java/g0001_0100/s0020_valid_parentheses) [Kotlin](src/main/kotlin/g0001_0100/s0020_valid_parentheses) [TypeScript](src/main/ts/g0001_0100/s0020_valid_parentheses) [Scala](src/main/scala/g0001_0100/s0020_valid_parentheses) [Ruby](src/main/ruby/g0001_0100/s0020_valid_parentheses) [PHP](src/main/php/g0001_0100/s0020_valid_parentheses) [C#](src/main/csharp/g0001_0100/s0020_valid_parentheses) [Go](src/main/go/g0001_0100/s0020_valid_parentheses) [Cpp](src/main/cpp/g0001_0100/s0020_valid_parentheses) [Python](src/main/python/g0001_0100/s0020_valid_parentheses) [Swift](src/main/swift/g0001_0100/s0020_valid_parentheses) [Elixir](src/main/elixir/g0001_0100/s0020_valid_parentheses) [Rust](src/main/rust/g0001_0100/s0020_valid_parentheses) [Dart](src/main/dart/g0001_0100/s0020_valid_parentheses) [C](src/main/c/g0001_0100/s0020_valid_parentheses)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, String, Stack, Data_Structure_I_Day_9_Stack_Queue, Udemy_Strings, Big_O_Time_O(n)_Space_O(n) | 2 | 97.19

| 0019 |Remove Nth Node From End of List| [Java](src/main/java/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Kotlin](src/main/kotlin/g0001_0100/s0019_remove_nth_node_from_end_of_list) [TypeScript](src/main/ts/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Scala](src/main/scala/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Ruby](src/main/ruby/g0001_0100/s0019_remove_nth_node_from_end_of_list) [PHP](src/main/php/g0001_0100/s0019_remove_nth_node_from_end_of_list) [C#](src/main/csharp/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Go](src/main/go/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Cpp](src/main/cpp/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Python](src/main/python/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Swift](src/main/swift/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Elixir](src/main/elixir/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Rust](src/main/rust/g0001_0100/s0019_remove_nth_node_from_end_of_list) [Dart](src/main/dart/g0001_0100/s0019_remove_nth_node_from_end_of_list) [C](src/main/c/g0001_0100/s0019_remove_nth_node_from_end_of_list)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Two_Pointers, Linked_List, Algorithm_I_Day_5_Two_Pointers, Level_2_Day_3_Linked_List, Big_O_Time_O(L)_Space_O(L) | 0 | 100.00

| 0017 |Letter Combinations of a Phone Number| [Java](src/main/java/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Kotlin](src/main/kotlin/g0001_0100/s0017_letter_combinations_of_a_phone_number) [TypeScript](src/main/ts/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Scala](src/main/scala/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Ruby](src/main/ruby/g0001_0100/s0017_letter_combinations_of_a_phone_number) [PHP](src/main/php/g0001_0100/s0017_letter_combinations_of_a_phone_number) [C#](src/main/csharp/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Go](src/main/go/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Cpp](src/main/cpp/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Python](src/main/python/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Swift](src/main/swift/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Elixir](src/main/elixir/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Rust](src/main/rust/g0001_0100/s0017_letter_combinations_of_a_phone_number) [Dart](src/main/dart/g0001_0100/s0017_letter_combinations_of_a_phone_number) [C](src/main/c/g0001_0100/s0017_letter_combinations_of_a_phone_number)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Backtracking, Algorithm_II_Day_11_Recursion_Backtracking, Udemy_Backtracking/Recursion, Big_O_Time_O(4^n)_Space_O(n) | 0 | 100.00

| 0015 |3Sum| [Java](src/main/java/g0001_0100/s0015_3sum) [Kotlin](src/main/kotlin/g0001_0100/s0015_3sum) [TypeScript](src/main/ts/g0001_0100/s0015_3sum) [Scala](src/main/scala/g0001_0100/s0015_3sum) [Ruby](src/main/ruby/g0001_0100/s0015_3sum) [PHP](src/main/php/g0001_0100/s0015_3sum) [C#](src/main/csharp/g0001_0100/s0015_3sum) [Go](src/main/go/g0001_0100/s0015_3sum) [Cpp](src/main/cpp/g0001_0100/s0015_3sum) [Python](src/main/python/g0001_0100/s0015_3sum) [Swift](src/main/swift/g0001_0100/s0015_3sum) [Elixir](src/main/elixir/g0001_0100/s0015_3sum) [Rust](src/main/rust/g0001_0100/s0015_3sum) [Dart](src/main/dart/g0001_0100/s0015_3sum) [C](src/main/c/g0001_0100/s0015_3sum)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Sorting, Two_Pointers, Data_Structure_II_Day_1_Array, Algorithm_II_Day_3_Two_Pointers, Udemy_Two_Pointers, Big_O_Time_O(n\*log(n))_Space_O(n^2) | 29 | 72.02

| 0011 |Container With Most Water| [Java](src/main/java/g0001_0100/s0011_container_with_most_water) [Kotlin](src/main/kotlin/g0001_0100/s0011_container_with_most_water) [TypeScript](src/main/ts/g0001_0100/s0011_container_with_most_water) [Scala](src/main/scala/g0001_0100/s0011_container_with_most_water) [Ruby](src/main/ruby/g0001_0100/s0011_container_with_most_water) [PHP](src/main/php/g0001_0100/s0011_container_with_most_water) [C#](src/main/csharp/g0001_0100/s0011_container_with_most_water) [Go](src/main/go/g0001_0100/s0011_container_with_most_water) [Cpp](src/main/cpp/g0001_0100/s0011_container_with_most_water) [Python](src/main/python/g0001_0100/s0011_container_with_most_water) [Swift](src/main/swift/g0001_0100/s0011_container_with_most_water) [Elixir](src/main/elixir/g0001_0100/s0011_container_with_most_water) [Rust](src/main/rust/g0001_0100/s0011_container_with_most_water) [Dart](src/main/dart/g0001_0100/s0011_container_with_most_water) [C](src/main/c/g0001_0100/s0011_container_with_most_water)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Array, Greedy, Two_Pointers, Algorithm_II_Day_4_Two_Pointers, Big_O_Time_O(n)_Space_O(1) | 3 | 96.01

| 0010 |Regular Expression Matching| [Java](src/main/java/g0001_0100/s0010_regular_expression_matching) [Kotlin](src/main/kotlin/g0001_0100/s0010_regular_expression_matching) [TypeScript](src/main/ts/g0001_0100/s0010_regular_expression_matching) [Scala](src/main/scala/g0001_0100/s0010_regular_expression_matching) [Ruby](src/main/ruby/g0001_0100/s0010_regular_expression_matching) [PHP](src/main/php/g0001_0100/s0010_regular_expression_matching) [C#](src/main/csharp/g0001_0100/s0010_regular_expression_matching) [Go](src/main/go/g0001_0100/s0010_regular_expression_matching) [Cpp](src/main/cpp/g0001_0100/s0010_regular_expression_matching) [Python](src/main/python/g0001_0100/s0010_regular_expression_matching) [Swift](src/main/swift/g0001_0100/s0010_regular_expression_matching) [Elixir](src/main/elixir/g0001_0100/s0010_regular_expression_matching) [Rust](src/main/rust/g0001_0100/s0010_regular_expression_matching) [Dart](src/main/dart/g0001_0100/s0010_regular_expression_matching) [C](src/main/c/g0001_0100/s0010_regular_expression_matching)| Hard | Top_Interview_Questions, String, Dynamic_Programming, Recursion, Udemy_Dynamic_Programming, Big_O_Time_O(m\*n)_Space_O(m\*n) | 1 | 100.00

| 0009 |Palindrome Number| [Java](src/main/java/g0001_0100/s0009_palindrome_number) [Kotlin](src/main/kotlin/g0001_0100/s0009_palindrome_number) [TypeScript](src/main/ts/g0001_0100/s0009_palindrome_number) [Scala](src/main/scala/g0001_0100/s0009_palindrome_number) [Ruby](src/main/ruby/g0001_0100/s0009_palindrome_number) [PHP](src/main/php/g0001_0100/s0009_palindrome_number) [C#](src/main/csharp/g0001_0100/s0009_palindrome_number) [Go](src/main/go/g0001_0100/s0009_palindrome_number) [Cpp](src/main/cpp/g0001_0100/s0009_palindrome_number) [Python](src/main/python/g0001_0100/s0009_palindrome_number) [Swift](src/main/swift/g0001_0100/s0009_palindrome_number) [Elixir](src/main/elixir/g0001_0100/s0009_palindrome_number) [Rust](src/main/rust/g0001_0100/s0009_palindrome_number) [Dart](src/main/dart/g0001_0100/s0009_palindrome_number) [C](src/main/c/g0001_0100/s0009_palindrome_number)| Easy | Math, Udemy_Integers | 4 | 100.00

| 0008 |String to Integer (atoi)| [Java](src/main/java/g0001_0100/s0008_string_to_integer_atoi) [Kotlin](src/main/kotlin/g0001_0100/s0008_string_to_integer_atoi) [TypeScript](src/main/ts/g0001_0100/s0008_string_to_integer_atoi) [Scala](src/main/scala/g0001_0100/s0008_string_to_integer_atoi) [Ruby](src/main/ruby/g0001_0100/s0008_string_to_integer_atoi) [PHP](src/main/php/g0001_0100/s0008_string_to_integer_atoi) [C#](src/main/csharp/g0001_0100/s0008_string_to_integer_atoi) [Go](src/main/go/g0001_0100/s0008_string_to_integer_atoi) [Cpp](src/main/cpp/g0001_0100/s0008_string_to_integer_atoi) [Python](src/main/python/g0001_0100/s0008_string_to_integer_atoi) [Swift](src/main/swift/g0001_0100/s0008_string_to_integer_atoi) [Elixir](src/main/elixir/g0001_0100/s0008_string_to_integer_atoi) [Rust](src/main/rust/g0001_0100/s0008_string_to_integer_atoi) [Dart](src/main/dart/g0001_0100/s0008_string_to_integer_atoi) [C](src/main/c/g0001_0100/s0008_string_to_integer_atoi)| Medium | Top_Interview_Questions, String | 1 | 100.00

| 0007 |Reverse Integer| [Java](src/main/java/g0001_0100/s0007_reverse_integer) [Kotlin](src/main/kotlin/g0001_0100/s0007_reverse_integer) [TypeScript](src/main/ts/g0001_0100/s0007_reverse_integer) [Scala](src/main/scala/g0001_0100/s0007_reverse_integer) [Ruby](src/main/ruby/g0001_0100/s0007_reverse_integer) [PHP](src/main/php/g0001_0100/s0007_reverse_integer) [C#](src/main/csharp/g0001_0100/s0007_reverse_integer) [Go](src/main/go/g0001_0100/s0007_reverse_integer) [Cpp](src/main/cpp/g0001_0100/s0007_reverse_integer) [Python](src/main/python/g0001_0100/s0007_reverse_integer) [Swift](src/main/swift/g0001_0100/s0007_reverse_integer) [Elixir](src/main/elixir/g0001_0100/s0007_reverse_integer) [Rust](src/main/rust/g0001_0100/s0007_reverse_integer) [Dart](src/main/dart/g0001_0100/s0007_reverse_integer) [C](src/main/c/g0001_0100/s0007_reverse_integer)| Medium | Top_Interview_Questions, Math, Udemy_Integers | 0 | 100.00

| 0006 |Zigzag Conversion| [Java](src/main/java/g0001_0100/s0006_zigzag_conversion) [Kotlin](src/main/kotlin/g0001_0100/s0006_zigzag_conversion) [TypeScript](src/main/ts/g0001_0100/s0006_zigzag_conversion) [Scala](src/main/scala/g0001_0100/s0006_zigzag_conversion) [Ruby](src/main/ruby/g0001_0100/s0006_zigzag_conversion) [PHP](src/main/php/g0001_0100/s0006_zigzag_conversion) [C#](src/main/csharp/g0001_0100/s0006_zigzag_conversion) [Go](src/main/go/g0001_0100/s0006_zigzag_conversion) [Cpp](src/main/cpp/g0001_0100/s0006_zigzag_conversion) [Python](src/main/python/g0001_0100/s0006_zigzag_conversion) [Swift](src/main/swift/g0001_0100/s0006_zigzag_conversion) [Elixir](src/main/elixir/g0001_0100/s0006_zigzag_conversion) [Rust](src/main/rust/g0001_0100/s0006_zigzag_conversion) [Dart](src/main/dart/g0001_0100/s0006_zigzag_conversion) [C](src/main/c/g0001_0100/s0006_zigzag_conversion)| Medium | String | 2 | 99.71

| 0005 |Longest Palindromic Substring| [Java](src/main/java/g0001_0100/s0005_longest_palindromic_substring) [Kotlin](src/main/kotlin/g0001_0100/s0005_longest_palindromic_substring) [TypeScript](src/main/ts/g0001_0100/s0005_longest_palindromic_substring) [Scala](src/main/scala/g0001_0100/s0005_longest_palindromic_substring) [Ruby](src/main/ruby/g0001_0100/s0005_longest_palindromic_substring) [PHP](src/main/php/g0001_0100/s0005_longest_palindromic_substring) [C#](src/main/csharp/g0001_0100/s0005_longest_palindromic_substring) [Go](src/main/go/g0001_0100/s0005_longest_palindromic_substring) [Cpp](src/main/cpp/g0001_0100/s0005_longest_palindromic_substring) [Python](src/main/python/g0001_0100/s0005_longest_palindromic_substring) [Swift](src/main/swift/g0001_0100/s0005_longest_palindromic_substring) [Elixir](src/main/elixir/g0001_0100/s0005_longest_palindromic_substring) [Rust](src/main/rust/g0001_0100/s0005_longest_palindromic_substring) [Dart](src/main/dart/g0001_0100/s0005_longest_palindromic_substring) [C](src/main/c/g0001_0100/s0005_longest_palindromic_substring)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Dynamic_Programming, Data_Structure_II_Day_9_String, Algorithm_II_Day_14_Dynamic_Programming, Dynamic_Programming_I_Day_17, Udemy_Strings, Big_O_Time_O(n)_Space_O(n) | 7 | 97.82

| 0004 |Median of Two Sorted Arrays| [Java](src/main/java/g0001_0100/s0004_median_of_two_sorted_arrays) [Kotlin](src/main/kotlin/g0001_0100/s0004_median_of_two_sorted_arrays) [TypeScript](src/main/ts/g0001_0100/s0004_median_of_two_sorted_arrays) [Scala](src/main/scala/g0001_0100/s0004_median_of_two_sorted_arrays) [Ruby](src/main/ruby/g0001_0100/s0004_median_of_two_sorted_arrays) [PHP](src/main/php/g0001_0100/s0004_median_of_two_sorted_arrays) [C#](src/main/csharp/g0001_0100/s0004_median_of_two_sorted_arrays) [Go](src/main/go/g0001_0100/s0004_median_of_two_sorted_arrays) [Cpp](src/main/cpp/g0001_0100/s0004_median_of_two_sorted_arrays) [Python](src/main/python/g0001_0100/s0004_median_of_two_sorted_arrays) [Swift](src/main/swift/g0001_0100/s0004_median_of_two_sorted_arrays) [Elixir](src/main/elixir/g0001_0100/s0004_median_of_two_sorted_arrays) [Rust](src/main/rust/g0001_0100/s0004_median_of_two_sorted_arrays) [Dart](src/main/dart/g0001_0100/s0004_median_of_two_sorted_arrays) [C](src/main/c/g0001_0100/s0004_median_of_two_sorted_arrays)| Hard | Top_100_Liked_Questions, Top_Interview_Questions, Array, Binary_Search, Divide_and_Conquer, Big_O_Time_O(log(min(N,M)))_Space_O(1), AI_can_be_used_to_solve_the_task | 1 | 100.00

| 0003 |Longest Substring Without Repeating Characters| [Java](src/main/java/g0001_0100/s0003_longest_substring_without_repeating_characters) [Kotlin](src/main/kotlin/g0001_0100/s0003_longest_substring_without_repeating_characters) [TypeScript](src/main/ts/g0001_0100/s0003_longest_substring_without_repeating_characters) [Scala](src/main/scala/g0001_0100/s0003_longest_substring_without_repeating_characters) [Ruby](src/main/ruby/g0001_0100/s0003_longest_substring_without_repeating_characters) [PHP](src/main/php/g0001_0100/s0003_longest_substring_without_repeating_characters) [C#](src/main/csharp/g0001_0100/s0003_longest_substring_without_repeating_characters) [Go](src/main/go/g0001_0100/s0003_longest_substring_without_repeating_characters) [Cpp](src/main/cpp/g0001_0100/s0003_longest_substring_without_repeating_characters) [Python](src/main/python/g0001_0100/s0003_longest_substring_without_repeating_characters) [Swift](src/main/swift/g0001_0100/s0003_longest_substring_without_repeating_characters) [Elixir](src/main/elixir/g0001_0100/s0003_longest_substring_without_repeating_characters) [Rust](src/main/rust/g0001_0100/s0003_longest_substring_without_repeating_characters) [Dart](src/main/dart/g0001_0100/s0003_longest_substring_without_repeating_characters) [C](src/main/c/g0001_0100/s0003_longest_substring_without_repeating_characters)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, String, Hash_Table, Sliding_Window, Algorithm_I_Day_6_Sliding_Window, Level_2_Day_14_Sliding_Window/Two_Pointer, Udemy_Strings, Big_O_Time_O(n)_Space_O(1), AI_can_be_used_to_solve_the_task | 2 | 98.59

| 0002 |Add Two Numbers| [Java](src/main/java/g0001_0100/s0002_add_two_numbers) [Kotlin](src/main/kotlin/g0001_0100/s0002_add_two_numbers) [TypeScript](src/main/ts/g0001_0100/s0002_add_two_numbers) [Scala](src/main/scala/g0001_0100/s0002_add_two_numbers) [Ruby](src/main/ruby/g0001_0100/s0002_add_two_numbers) [PHP](src/main/php/g0001_0100/s0002_add_two_numbers) [C#](src/main/csharp/g0001_0100/s0002_add_two_numbers) [Go](src/main/go/g0001_0100/s0002_add_two_numbers) [Cpp](src/main/cpp/g0001_0100/s0002_add_two_numbers) [Python](src/main/python/g0001_0100/s0002_add_two_numbers) [Swift](src/main/swift/g0001_0100/s0002_add_two_numbers) [Elixir](src/main/elixir/g0001_0100/s0002_add_two_numbers) [Rust](src/main/rust/g0001_0100/s0002_add_two_numbers) [Dart](src/main/dart/g0001_0100/s0002_add_two_numbers) [C](src/main/c/g0001_0100/s0002_add_two_numbers)| Medium | Top_100_Liked_Questions, Top_Interview_Questions, Math, Linked_List, Recursion, Data_Structure_II_Day_10_Linked_List, Programming_Skills_II_Day_15, Big_O_Time_O(max(N,M))_Space_O(max(N,M)), AI_can_be_used_to_solve_the_task | 1 | 100.00

| 0001 |Two Sum| [Java](src/main/java/g0001_0100/s0001_two_sum) [Kotlin](src/main/kotlin/g0001_0100/s0001_two_sum) [TypeScript](src/main/ts/g0001_0100/s0001_two_sum) [Scala](src/main/scala/g0001_0100/s0001_two_sum) [Ruby](src/main/ruby/g0001_0100/s0001_two_sum) [PHP](src/main/php/g0001_0100/s0001_two_sum) [C#](src/main/csharp/g0001_0100/s0001_two_sum) [Go](src/main/go/g0001_0100/s0001_two_sum) [Cpp](src/main/cpp/g0001_0100/s0001_two_sum) [Python](src/main/python/g0001_0100/s0001_two_sum) [Swift](src/main/swift/g0001_0100/s0001_two_sum) [Elixir](src/main/elixir/g0001_0100/s0001_two_sum) [Rust](src/main/rust/g0001_0100/s0001_two_sum) [Dart](src/main/dart/g0001_0100/s0001_two_sum) [C](src/main/c/g0001_0100/s0001_two_sum)| Easy | Top_100_Liked_Questions, Top_Interview_Questions, Array, Hash_Table, Data_Structure_I_Day_2_Array, Level_1_Day_13_Hashmap, Udemy_Arrays, Big_O_Time_O(n)_Space_O(n), AI_can_be_used_to_solve_the_task | 2 | 98.90

## Contributing

Your ideas/fixes/algorithms are more than welcome!

1. Fork this repo

2. Clone your forked repo (`git clone https://github.com/YOUR_GITHUB_USERNAME/LeetCode-in-All.git`) onto your local machine

3. `cd` into your cloned directory, create your feature branch (`git checkout -b my-awesome-fix`)

4. `git add` your desired changes to this repo

5. Commit your changes (`git commit -m 'Added some awesome features/fixes'`)

6. Push to the branch (`git push origin my-awesome-feature`)

7. Open your forked repo on Github website, create a new Pull Request to this repo!