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: 2025-06-29 00:17:03 UTC
- JSON Representation
https://github.com/emahtab/spiral-matrix
Spiral Traversal of a 2D Matrix
leetcode problem-solving spiral-traversal
Last synced: 28 Mar 2025
https://github.com/emahtab/single-number
Single Number
hashset leetcode problem-solving xor
Last synced: 28 Mar 2025
https://github.com/emahtab/merge-two-sorted-lists
Merge Two Sorted Linked Lists
leetcode linked-list merge-sorted-lists min-heap priority-queue problem-solving
Last synced: 28 Jun 2025
https://github.com/emahtab/random-pick-index
Random pick index
constant-space leetcode problem-solving random
Last synced: 28 Mar 2025
https://github.com/rockharshitmaurya/leetcode-java
java leetcode leetcode-java leetcode-solutions
Last synced: 26 Feb 2025
https://github.com/q191201771/yoko_leetcode
leetcode || 算法题
leetcode leetcode-cpp leetcode-solutions
Last synced: 19 Feb 2025
https://github.com/itsjomon/dsa-sheet
This DSA Sheet is a structured and curated collection of essential Data Structures and Algorithms problems sourced from LeetCode.
algorithms data-structures dsa geeksforgeeks java leetcode zoho
Last synced: 12 Jun 2025
https://github.com/subhash23jan/leetcode-and-gfg
I love problem solving, so I started problem solving in GFG and Leetcode. As of now, I'm using Leetcode for problem solving. Here are some problems solved by me.
coding-challenges datastructures dsa-algorithm geekforgeeks leetcode
Last synced: 28 Jun 2025
https://github.com/shariar-rafi/blind-75-leetcode-solutions-in-javascript
Blind 75 LeetCode Solutions in JavaScript
blind75 competitive-programming javascript leetcode leetcode-solutions
Last synced: 29 Mar 2025
https://github.com/emahtab/sort-list
leetcode linked-list merge-sort problem-solving
Last synced: 28 Mar 2025
https://github.com/emahtab/ugly-number
Find whether a number is an Ugly number
leetcode problem-solving ugly-number
Last synced: 28 Mar 2025
https://github.com/priyansusahoo/data-structure-and-algorithms-java
Learning Data Structures & Algorithms | Leetcode | Java
algorithms data-structures dsa-practice graph java leetcode leetcode-java list searching-algorithms sorting-algorithms tree
Last synced: 10 May 2025
https://github.com/msolimans/algorithms
Algorithms Topics and Problem Solving from different sites and books along with documentation/descriptions
algorithm cracking-the-coding-interview dynamic-programming geeksforgeeks-solutions graph greedy-algorithms hackerrank heap leetcode mit ocw ocw-6006 queue stack tree trie
Last synced: 07 Apr 2025
https://github.com/nolleh/leetcode
solving leetcode problems
alrogithm leetcode leetcode-python3
Last synced: 13 Mar 2025
https://github.com/shixinhuang99/leetcode-daily
leetcode playground and record
Last synced: 28 Jun 2025
https://github.com/emahtab/topological-sort-problems
Topological Sort Problems
kahns-alogrithm leetcode topological-sort
Last synced: 28 Mar 2025
https://github.com/unorsk/goog
Mostly Leetcode challenges
algorithm-challenges algorithms haskell leetcode
Last synced: 06 Apr 2025
https://github.com/singhjyoti24/leetcodedsa
Collection of LeetCode questions to ace the coding interview! - Created using [LeetHub](https://github.com/QasimWani/LeetHub)
algorithms data-structures java leetcode
Last synced: 18 Feb 2025
https://github.com/shricodev/6companies30days
This is my new challenge #ReviseWithArsh #6Companies30Days with - Arsh Goyal. I will post all the codes and learnings in this repository regularly. The challenge is to complete 90 questions of 6 different companies in 30 Days.
6companies30days leetcode leetcode-solutions revisewitharsh
Last synced: 09 Apr 2025
https://github.com/sabberrahman/cse
My CSE study resources: Lecture notes, Code snippets, and Study materials
algorithm data-structures leetcode neetcode150 problem-solving
Last synced: 18 Feb 2025
https://github.com/emahtab/permutations
Permutations
leetcode permutations problem-solving recursion
Last synced: 28 Mar 2025
https://github.com/haunt98/leetcode
Leetcode
go leetcode leetcode-solution leetcode-solution-go leetcode-solutions leetcode-solutions-go
Last synced: 23 Apr 2025
https://github.com/proxzima/competitive-coding
Solved questions from all major competitive coding platforms
algorithms codechef coding coding-challenge competitive-programming cpp data-structures hackerrank interviewbit leetcode project-euler python regex sql
Last synced: 22 Mar 2025
https://github.com/caedenph/algorithms
Contains Leetcode problems, Algorithms, and Advent of Code solutions
advent-of-code algorithms aoc leetcode
Last synced: 18 Feb 2025
https://github.com/emahtab/number-of-provinces
Find number of connected components in a graph
bfs connected-components dfs graph leetcode
Last synced: 28 Mar 2025
https://github.com/aishanipach/interview-checkpoints
Keeping track of my various DSA solutions to Leetcode, Hackerrank & Striver's sheet! BasicChecklist has all the theory notes for interviews.
cheatsheet cpp data-structures dbms first-timers-friendly good-first-contribution interview-preparation leetcode open-source solutions sql strivers-cp-sheet strivers-sde-sheet
Last synced: 16 Mar 2025
https://github.com/sunchit17/june-leetcode-30daychallenge
June LeetCode Challenge
algorithms data-structures java leetcode leetcode-challenge python
Last synced: 30 Mar 2025
https://github.com/emahtab/min-stack
Min Stack
constant-time leetcode problem-solving stack
Last synced: 28 Mar 2025
https://github.com/emahtab/verifying-an-alien-dictionary
Verifying an alien dictionary
alien dictionary leetcode problem-solving
Last synced: 28 Mar 2025
https://github.com/ajinkyataranekar/leetcode
Leetcode Solutions
leetcode leetcode-python leetcode-solutions
Last synced: 29 Mar 2025
https://github.com/emahtab/min-cost-to-connect-all-points
Find the min cost for the Minimum Spanning Tree (MST)
leetcode minimum-spanning-tree prims-algorithm
Last synced: 28 Mar 2025
https://github.com/lauslim12/competitive-programming
My solutions for many competitive programming websites.
algorithms codeforces competitive-programming cplusplus data-structures leetcode
Last synced: 23 Apr 2025
https://github.com/thutasann/ts-leet
algorithms, leet code solutions and typescript fundamentals
algorithms leetcode typescript
Last synced: 24 Feb 2025
https://github.com/dreamless07/leetcode-solutions
This Repository is only for solutions for LeetCode questions by using different approaches and techniques. Thought this will be helpful to others looking for simpler solutions and appproaches.
approach code engineering ideas interview-preparation java leetcode leetcode-solutions python3 solutions
Last synced: 26 Feb 2025
https://github.com/chiragagg5k/leetcode
This repository contains all the LeetCode problems I have solved sorted by languages the solutions are implemented in.
java leetcode problem-solving python
Last synced: 16 Mar 2025
https://github.com/hkaur008/leetcode-questions
Collection of LeetCode questions to ace the coding interview! - Created using [LeetHub](https://github.com/QasimWani/LeetHub)
interview interview-questions leetcode
Last synced: 05 Mar 2025
https://github.com/mikhaillipanin/leetcode
Collection of LeetCode questions!
algorithms competetive-programming interview-questions leetcode
Last synced: 05 Mar 2025
https://github.com/tbeachill/leetcode-skills-box
Update a pinned gist to contain the top skills practiced on leetcode.
leetcode pinned-gist profile-readme
Last synced: 01 Apr 2025
https://github.com/emahtab/alien-dictionary
Find the order of alphabets in an alien dictionary
graph leetcode problem-solving topological-sort
Last synced: 28 Mar 2025
https://github.com/stynw7/code_challenge_resources
Collection of Code Challenge that will improve your logic and programming syntax 🔥🔥
coddytech codeforces competitive-programming cpp javascript leetcode problem-solving
Last synced: 27 Feb 2025
https://github.com/zhima-mochi/algorithm-problem-solving
personal problem solving code for leetcode
algorithm leetcode leetcode-solutions
Last synced: 01 Apr 2025
https://github.com/emahtab/word-break
Word Break
dynamic-programming leetcode problem-solving word-break
Last synced: 28 Mar 2025
https://github.com/emahtab/coin-change
coin-change dynamic-programming leetcode
Last synced: 28 Mar 2025
https://github.com/kaka-lin/leetcode
My LeetCode solution collections
algorithms data-structures-and-algorithms leetcode leetcode-solutions leethub
Last synced: 05 Apr 2025
https://github.com/dylanrothbauer/interview-prep-central
My personal technical interview preparation repository. The next few years, I will gather a collection of problems and resources to enhance my coding skills and prepare for technical interviews.
dsa-algorithm interview-prep leetcode
Last synced: 01 Apr 2025
https://github.com/andream16/algorithms
Algorithms & Data Structures. Problems and solutions for Leetcode.com and Google Foobar Challenge.
algorithms data-structures golang google-foobar java leetcode python
Last synced: 18 Feb 2025
https://github.com/akabharat/leetcode-practice
Collection of LeetCode questions to ace the coding interview!
leetcode leetcode-cpp leetcode-solutions
Last synced: 28 Feb 2025
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: 28 Mar 2025
https://github.com/manjeettahkur/30-day-leetcode
30-Day LeetCoding Challenge In Go programming language
algorithms-and-data-structures data-structures go golang leetcode
Last synced: 24 Jun 2025
https://github.com/sugaliudaykiran/cpp
Lets_go
algorithms cpp cpp-stl-algorithms data-structures gfg-cpp leetcode stack
Last synced: 14 May 2025
https://github.com/emahtab/range-sum-of-bst
Range Sum of BST
binary-search-tree leetcode problem-solving
Last synced: 28 Mar 2025
https://github.com/mohammadpagard/python-algorithm
Write some algorithms with Python. I'm trying to write the best way that I can.
algorithms data-structures implement leetcode pytest python3 two-pointers
Last synced: 05 Feb 2025
https://github.com/khemssharma/leetcode
Calmly practice DSA here...
array leetcode logic problem-solving solutions strivers-sde-sheet
Last synced: 14 Apr 2025
https://github.com/emahtab/count-complete-tree-nodes
Count total nodes in a Complete Binary Tree
complete-binary-tree leetcode problem-solving
Last synced: 28 Mar 2025
https://github.com/waasiq/leetcode
My solutions to LeetCode problems.
competitive-programming leetcode leetcode-solutions
Last synced: 14 Mar 2025
https://github.com/emahtab/decode-ways
Number of ways to decode
dynamic-programming leetcode problem-solving
Last synced: 28 Mar 2025
https://github.com/emahtab/print-in-order
concurrency java leetcode semaphore
Last synced: 28 Mar 2025
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: 28 Mar 2025
https://github.com/emahtab/path-sum-iii
leetcode path-sum prefix-sum recursion
Last synced: 28 Mar 2025
https://github.com/emahtab/count-square-submatrices-with-all-ones
Count square submatrices with all ones
dynamic-programming leetcode problem-solving
Last synced: 28 Mar 2025
https://github.com/vanditg/leetcode
This repository contains solutions for Leetcode - The World's Leading Programming Learning website. The programming language will vary depending on the problem-solving strategy and convenience, but most solutions will be in python.
data-structures-and-algorithms leetcode python3
Last synced: 09 Apr 2025
https://github.com/emahtab/delete-nodes-and-return-forest
depth-first-search forest leetcode
Last synced: 28 Mar 2025
https://github.com/emahtab/longest-substring-without-repeating-characters
Longest Substring Without Repeating Characters
hashset leetcode sliding-window
Last synced: 28 Mar 2025
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: 28 Mar 2025
https://github.com/emahtab/intersection-of-two-arrays-ii
Find the elements which intersect
hashmap leetcode problem-solving
Last synced: 28 Mar 2025
https://github.com/alexscience/wordsearchengine
WordSearchEngine - это консольное приложение на C#, предназначенное для поиска слов в текстовых файлах. Программа позволяет пользователю указать путь к текстовому файлу и искомое слово, а затем выводит строки, в которых это слово встречается, вместе с номерами строк. Пользователь также может выбрать, искать ли все вхождения слова или только первое.
csharp dotnet-core dotnet-framework leetcode test-task word-search-engine
Last synced: 14 Mar 2025
https://github.com/emahtab/copy-list-with-random-pointer
Copy a Linked List with Random Pointer
clone leetcode linked-list problem-solving
Last synced: 28 Mar 2025
https://github.com/emahtab/longest-increasing-subsequence
Longest Increasing Subsequence
dynamic-programming leetcode longest-increasing-subsequence problem-solving
Last synced: 28 Mar 2025
https://github.com/emahtab/linked-list-cycle
Linked List Cycle
detect-cycle hashset leetcode linked-list problem-solving
Last synced: 28 Mar 2025
https://github.com/pbelskiy/contest
Sweet home for my solutions from different contests
Last synced: 05 Mar 2025
https://github.com/aldoignatachandra/leetcode
This repository houses my solutions to various LEETCODE challenges implemented in JavaScript
backend-engineer challenge javascript leetcode problem-solving
Last synced: 28 Jun 2025
https://github.com/emahtab/add-two-numbers
Add two linked lists nodes
leetcode linked-list problem-solving
Last synced: 28 Mar 2025
https://github.com/emahtab/closest-binary-search-tree-value
Closest Binary Search Tree Value
binary-search-tree leetcode problem-solving
Last synced: 28 Mar 2025
https://github.com/emahtab/largest-rectangle-in-a-histogram
Largest rectangle in a histogram
Last synced: 28 Mar 2025
https://github.com/crisnguyendev/problem-solving-practice-java
A Java-focused repository to master algorithms, data structures, and problem-solving techniques. Ideal for coding interview preparation and competitive programming challenges.
algorithms big-o-interview codeforces data-structures grokking-coding-interview java leetcode problem
Last synced: 14 Apr 2025
https://github.com/sultanfariz/leetcode-solutions
The source code I created to track my progress in solving Leetcode problems.
competitive-programming elixir go golang leetcode leetcode-solutions
Last synced: 25 Feb 2025
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: 28 Mar 2025
https://github.com/emahtab/binary-tree-inorder-traversal
Binary Tree Inorder Traversal
binary-tree inorder-traversal leetcode problem-solving
Last synced: 28 Mar 2025
https://github.com/fireinrain/leetcode-runs
leetcode exercise that implemented by Java
Last synced: 03 Mar 2025
https://github.com/emahtab/maximal-square
Find the maximal square area
dynamic-programming leetcode problem-solving
Last synced: 28 Mar 2025
https://github.com/edrisym/leet_code
LeetCode Solutions - A collection of solutions for various LeetCode problems, showcasing problem-solving techniques and efficient code implementations. This repository serves as a resource for practicing algorithms and data structures.
csharp go golang leetcode leetcode-csharp leetcode-solutions
Last synced: 05 Apr 2025
https://github.com/emahtab/battleships-in-a-board
Count the total Battleships in a board
dfs graph leetcode problem-solving
Last synced: 28 Mar 2025
https://github.com/daverbk/learning-sql
Exercises and Examples from "Learning SQL" by Alan Beaulieu and LeetCode SQL 50 Study Plan
alan-beaulieu learn learning-sql leetcode leetcode-sql-50 mysql sql
Last synced: 18 Feb 2025
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: 28 Mar 2025
https://github.com/emahtab/meeting-rooms
Meeting Rooms
interval leetcode problem-solving
Last synced: 28 Mar 2025
https://github.com/igaozp/oh-my-leetcode
LeetCode problem code. LeetCode 题目代码
java leetcode leetcode-solutions
Last synced: 18 Feb 2025
https://github.com/forloopcodes/javascript-leetcode-solutions
This repository contains my solutions to LeetCode problems in JavaScript. Each solution is contained in its own file and is named according to the problem title.
javascript leetcode leetcode-java leetcode-javascript
Last synced: 03 Mar 2025
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: 28 Mar 2025