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LeetCode
LeetCode is a popular online platform that provides programming and technical interview questions. The site features challenges across a range of difficulties, focusing on algorithms, data structures, and other computer science fundamentals. LeetCode helps users enhance their coding skills, prepare for technical interviews, and engage in programming contests. This topic explores how LeetCode equips individuals with the tools to improve their coding proficiency and problem-solving abilities in a competitive environment.
- GitHub: https://github.com/topics/leetcode
- Wikipedia: https://en.wikipedia.org/wiki/LeetCode
- Created by: LeetCode
- Last updated: 2025-01-02 00:12:31 UTC
- JSON Representation
https://github.com/emahtab/island-perimeter
Island Perimeter
island-perimeter leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/intersection-of-two-linked-lists
Intersection of two Linked Lists
hashset intersection leetcode linked-list merge-point problem-solving
Last synced: 07 Dec 2024
https://github.com/itszeeshan/leetcode-problems-in-typescript
Goal is to find LeetCode Problems and there solutions
algorithms coding coding-interviews data-structures leetcode leetcode-solutions typescript
Last synced: 16 Nov 2024
https://github.com/emahtab/intersection-of-two-arrays-ii
Find the elements which intersect
hashmap leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/implement-stack-using-queues
Implement Stack using Queues
leetcode problem-solving queue stack
Last synced: 07 Dec 2024
https://github.com/emahtab/implement-strstr
kmp-algorithm leetcode pattern-matching rolling-hash
Last synced: 07 Dec 2024
https://github.com/emahtab/insert-delete-getrandom
Insert delete getRandom() in O(1) average
hashmap leetcode list problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/house-robber
House Robber
dynamic-programming leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/group-anagrams
Group the anagrams
anagrams leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/happy-number
Find whether a number is a Happy Number
happy-number hashset leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/flood-fill
Flood Fill
dfs flood-fill leetcode problem-solving recursion
Last synced: 07 Dec 2024
https://github.com/emahtab/find-the-duplicate-number
Find the duplicate number
array leetcode problem-solving tortoise-and-hare-algorithm
Last synced: 07 Dec 2024
https://github.com/emahtab/flipping-an-image
Flipping an image
array leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/first-unique-character-in-a-string
Find the first unique character in a string
hashmap leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/excel-sheet-column-number
Find the excel sheet column number
leetcode maths maths-problem problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/factorial-trailing-zeroes
Find number of trailing zeroes in factorial of a number
factorial leetcode maths maths-problem problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/course-schedule-ii
leetcode problem-solving queue topological-sort
Last synced: 07 Dec 2024
https://github.com/emahtab/course-schedule
Course Schedule
bfs dfs kosaraju-algorithm leetcode problem-solving strongly-connected-components topological-sort
Last synced: 07 Dec 2024
https://github.com/emahtab/contains-duplicate
Check whether an array contains a duplicate value.
array duplicate hashset leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/evaluate-reverse-polish-notation
Evaluate Reverse Polish Expression
leetcode problem-solving reverse-polish-notation stack
Last synced: 07 Dec 2024
https://github.com/emahtab/conway-game-of-life
Conway Game of life
game-of-life leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/binary-tree-zigzag-level-order-traversal
Binary Tree Zigzag (Spiral) Order Traversal
bfs binary-tree leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/binary-tree-vertical-order-traversal
Binary Tree Vertical Order Traversal
bfs binary-tree-traversal leetcode problem-solving vertical-order-traversal
Last synced: 07 Dec 2024
https://github.com/emahtab/course-schedule-iv
floyd-warshall-algorithm graph leetcode
Last synced: 07 Dec 2024
https://github.com/emahtab/delete-nodes-and-return-forest
depth-first-search forest leetcode
Last synced: 07 Dec 2024
https://github.com/emahtab/daily-temperatures
Find the days after which there will be a warmer day
Last synced: 07 Dec 2024
https://github.com/emahtab/cousins-in-binary-tree
Check whether given two nodes are cousins in a binary tree
binary-tree dfs leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/delete-node-in-a-linked-list
Delete node in a linked list
leetcode linked-list problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/copy-list-with-random-pointer
Copy a Linked List with Random Pointer
clone leetcode linked-list problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/count-square-submatrices-with-all-ones
Count square submatrices with all ones
dynamic-programming leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/decode-ways
Number of ways to decode
dynamic-programming leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/construct-binary-tree-from-preorder-and-postorder-traversal
Construct Binary Tree from Preorder and Postorder Traversal
binary-tree binary-tree-construction leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/container-with-most-water
Container with most water problem
container-with-most-water leetcode leetcode-java problem-solving two-pointers
Last synced: 07 Dec 2024
https://github.com/emahtab/convert-sorted-array-to-binary-search-tree
Convert Sorted Array to Height Balanced Binary Search Tree
binary-search-tree leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/closest-leaf-in-a-binary-tree
Closest Leaf node from a given node in a binary tree
breadth-first-search closest-leaf graph leetcode
Last synced: 07 Dec 2024
https://github.com/emahtab/battleships-in-a-board
Count the total Battleships in a board
dfs graph leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/count-complete-tree-nodes
Count total nodes in a Complete Binary Tree
complete-binary-tree leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/combinations
Combinations
combinations leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/climbing-stairs
Climbing Stairs
climbing-stairs dynamic-programming leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/clone-a-graph
Clone a Graph
breadth-first-search clone graph leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/cheapest-flights-within-k-stops
dijkstra-algorithm graph leetcode
Last synced: 07 Dec 2024
https://github.com/emahtab/closest-binary-search-tree-value
Closest Binary Search Tree Value
binary-search-tree leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/check-completeness-of-a-binary-tree
Checking whether a binary tree is Complete binary tree or not
bfs complete-binary-tree leetcode problem
Last synced: 07 Dec 2024
https://github.com/emahtab/binary-tree-right-side-view
Binary Tree Right Side View
bfs binary-tree leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/binary-tree-pruning
Binary Tree Pruning
binary-tree leetcode problem-solving pruning
Last synced: 07 Dec 2024
https://github.com/emahtab/best-time-to-buy-and-sell-stock-ii
Find the max profit buying and selling stock with unlimited number of transactions.
buy-and-sell leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/binary-tree-inorder-traversal
Binary Tree Inorder Traversal
binary-tree inorder-traversal leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/binary-tree-preorder-traversal
Binary Tree Preorder Traversal
binary-tree leetcode preorder-traversal problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/binary-tree-level-order-traversal-ii
Binary Tree Level Order Traversal
bfs binary-tree binary-tree-traversal leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/best-time-to-buy-and-sell-stock
Find the max profit buying and selling stock with at most one transaction.
buy-and-sell leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/01-matrix
01 Matrix
leetcode matrix problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/add-two-numbers
Add two linked lists nodes
leetcode linked-list problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/word-search
Word Search in a 2D Grid
dfs leetcode problem-solving word-search
Last synced: 07 Dec 2024
https://github.com/emahtab/number-of-provinces
connected-components depth-first-search graph leetcode
Last synced: 07 Dec 2024
https://github.com/emahtab/min-stack
Min Stack
constant-time leetcode problem-solving stack
Last synced: 07 Dec 2024
https://github.com/emahtab/water-area
Water Area Problem
leetcode problem-solving water-area water-trapping
Last synced: 07 Dec 2024
https://github.com/emahtab/word-break
Word Break
dynamic-programming leetcode problem-solving word-break
Last synced: 07 Dec 2024
https://github.com/emahtab/wiggle-sort
Wiggle Sort
leetcode lintcode problem-solving wiggle
Last synced: 07 Dec 2024
https://github.com/emahtab/unique-paths
Unique Paths
dynamic-programming leetcode problem-solving unique-paths
Last synced: 07 Dec 2024
https://github.com/emahtab/verifying-an-alien-dictionary
Verifying an alien dictionary
alien dictionary leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/valid-palindrome
Check if a string is palindrome
leetcode palindrome palindrome-string problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/vertical-order-traversal-of-a-binary-tree
Binary Tree Vertical Order Traversal
bfs leetcode problem-solving tree-traversal vertical-order-traversal
Last synced: 07 Dec 2024
https://github.com/emahtab/ugly-number
Find whether a number is an Ugly number
leetcode problem-solving ugly-number
Last synced: 07 Dec 2024
https://github.com/emahtab/subarray-sum-equals-k
Subarray sum equals k
array leetcode prefix-sum problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/symmetric-binary-tree
Check whether a Binary Tree is Symmetric around its center
binary-tree leetcode problem-solving symmetric-binary-tree
Last synced: 07 Dec 2024
https://github.com/emahtab/single-number
Single Number
hashset leetcode problem-solving xor
Last synced: 07 Dec 2024
https://github.com/emahtab/regular-expression-matching
Regular Expression Matching
leetcode problem-solving recursion regular-expression
Last synced: 07 Dec 2024
https://github.com/emahtab/search-2d-matrix-ii
Search 2D Matrix sorted row and column wise
Last synced: 07 Dec 2024
https://github.com/emahtab/random-pick-index
Random pick index
constant-space leetcode problem-solving random
Last synced: 07 Dec 2024
https://github.com/emahtab/reverse-bits
bit-manipulation leetcode problem-solving reverse-bits
Last synced: 07 Dec 2024
https://github.com/emahtab/set-matrix-zeroes
Set Matrix Zeroes
hashset leetcode matrix problem-solving space-optimization
Last synced: 07 Dec 2024
https://github.com/emahtab/odd-even-linked-list
Odd Even Linked List
leetcode linked-list odd-even problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/reverse-linked-list
Reverse a singly Linked List
leetcode linked-list problem-solving reverse
Last synced: 07 Dec 2024
https://github.com/emahtab/remove-duplicates-from-sorted-array
Remove Duplicated from Sorted Array
leetcode problem-solving remove-duplicates
Last synced: 07 Dec 2024
https://github.com/emahtab/remove-linked-list-elements
Remove Linked List Elements
leetcode linked-list problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/queue-reconstruction-by-height
Place persons at their correct location in a queue
leetcode problem-solving sorting
Last synced: 07 Dec 2024
https://github.com/emahtab/ransom-note
Check If Ransom string can be constructed
leetcode problem-solving ransom
Last synced: 07 Dec 2024
https://github.com/emahtab/product-of-array-except-self
Product of array except self
array leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/power-of-three
Determine whether a number is power of three.
leetcode maths problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/possible-bipartition
bipartite-graph breadth-first-search graph leetcode
Last synced: 07 Dec 2024
https://github.com/emahtab/number-of-closed-islands
Number of closed islands
depth-first-search dfs leetcode problem-solving
Last synced: 07 Dec 2024
https://github.com/emahtab/number-of-islands-ii
disjoint-set leetcode union-find
Last synced: 07 Dec 2024