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: 2025-07-15 00:17:08 UTC
- JSON Representation
https://github.com/matveyguralskiy/leet-code
Leet-code Solutions of problems using programming languages such as Python, JavaScript, C++ and Bash. Here are all the solutions to problems from my personal profile
bash javascript leetcode leetcode-solutions postgresql python
Last synced: 11 Mar 2025
https://github.com/jiannan-dev/leetcode-daily-mailer
邮件自动接收leetcode的每日一题(Mail automatically receives the daily question of leetcode)
daily-questions email-sender-tool leetcode
Last synced: 26 Mar 2025
https://github.com/hossein13m/leetcodechallenges
LeetCode Challenges Answers and Explanations
algorithms data-structures javascript leetcode
Last synced: 02 Mar 2025
https://github.com/windfarer/leetcode-solutions
逆水行舟
leetcode leetcode-practice leetcode-python leetcode-solutions
Last synced: 03 Apr 2025
https://github.com/farooq85-dev/leetcode-problems
LeetCode enhance your coding skills. Inshallah, i will present all the problems in JavaScript or Python. But my first priority will be to solve in JavaScript. Inshallah, I will solve minimum 200 problems. Happy Coding!
coding-skills javascript leetcode problems python
Last synced: 12 Mar 2025
https://github.com/crusty0gphr/leetcode-top-150-interview-questions
Must-do List for Interview Prep
golang leetcode leetcode-go leetcode-golang leetcode-solutions top-150
Last synced: 12 Mar 2025
https://github.com/emahtab/cheapest-flights-within-k-stops
Cheapest Flight with k stops
dijkstra-algorithm graph leetcode
Last synced: 16 Jun 2025
https://github.com/leafycodes/leetcode
This repository contains my personal solutions to LeetCode problems. Almost all problems are solved using Java, with very few in Python or C++.
dsa java leetcode leetcode-java leetcode-solutions
Last synced: 10 Apr 2025
https://github.com/linehk/go-problems
go-problems is a repo that contains a variety of exercise answers about Golang.
algorithms datastructures golang leetcode leetcode-golang offer
Last synced: 11 Mar 2025
https://github.com/theodesp/leetcode-scala
Working through Leetcode problems with Scala
leetcode leetcode-solutions scala
Last synced: 07 Jul 2025
https://github.com/afsify/leetcode
Boost your JavaScript skills with curated LeetCode exercises. From basics to advanced, these hands on challenges help you master JavaScript step by step. Perfect for all skill levels.
Last synced: 26 Mar 2025
https://github.com/md-mafujul-hasan/codeforces_problem_solving
These Contain Some Programming Solutions of Code Forces in any programming language😏
algorithm codeforces codeforces-coders codeforces-contests codeforces-problems codeforces-solutions codeforces-solutions-github competitive-programming leetcode python
Last synced: 22 Feb 2025
https://github.com/tuancamtbtx/beyond-leet-code-practice
Practice for Algorithm, Data structure, SQL, Bigdata ...
data-structures-and-algorithms leetcode python sql system-design
Last synced: 22 Feb 2025
https://github.com/data-miner00/codeforces
My inefficient, naive and unoptimized solution to challenges on https://codeforces.com/
Last synced: 15 Jun 2025
https://github.com/yuliang-lee/leetcode-submission-table
:notebook: Use crawlers to get all submitted records, use tables to display, add filtering.
Last synced: 02 Apr 2025
https://github.com/pranav2092/ipmp
This repo contains solution to various LeetCode and GeeksForGeeks DSA practice questions for placements
cpp cpp-all cpp-programming geeksforgeeks geeksforgeeks-cpp geeksforgeeks-dsa geeksforgeeks-interview-prep geeksforgeeks-practice geeksforgeeks-practice-solutions geeksforgeeks-solutions interview-preparation leetcode leetcode-cpp leetcode-practice leetcode-questions leetcode-solutions placement-preparation
Last synced: 28 Mar 2025
https://github.com/wzslr321/leetcode
My leetcode solutions, update systematically :>
algorithms algorithms-and-data-structures cpp data-structures leetcode leetcode-cpp leetcode-solutions
Last synced: 22 Feb 2025
https://github.com/hyrumdickinson/leetcode-solutions
My leetcode solutions. I usually code in Java and occasionally solve problems in C++ or Python.
leetcode leetcode-java leetcode-practice leetcode-questions leetcode-solutions
Last synced: 12 Mar 2025
https://github.com/worst001/note_algorithm
整理了数据结构与基础算法,以及一些经典的LeetCode算法
algorithm design development guide learning leetcode leetcode-solutions markdown mkdocs note notebook
Last synced: 01 Mar 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/ibwei/leetcode-js-solution
记录自己leetcode的js&ts刷题历程
algorithm algorithmic-trading javascript js leetcode typescript
Last synced: 01 Jul 2025
https://github.com/ghosts6/leetcode_exercise
Leet code exercise solutions
bash c cpp js leetcode leetcode-solutions python3
Last synced: 05 Mar 2025
https://github.com/emahtab/single-number
Single Number
hashset leetcode problem-solving xor
Last synced: 28 Mar 2025
https://github.com/emahtab/sort-list
leetcode linked-list merge-sort problem-solving
Last synced: 28 Mar 2025
https://github.com/dhruvabhat24/weekend-contests
Questions of Weekend Contest & other Contests from Leetcode and GFG
biweekly geeksforgeeks leetcode open-source weekly-challenges
Last synced: 24 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/iron-buster/leetcode-python
python算法题代码 (leetcode, codeforces, atcoder)
algorithms atcoder datastructures leetcode python solutions
Last synced: 03 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: 03 Jul 2025
https://github.com/sh20raj/leetcode
All Leetcode Problems and Solutions || Download Offline
Last synced: 15 Jul 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/emahtab/topological-sort-problems
Topological Sort Problems
kahns-alogrithm leetcode topological-sort
Last synced: 28 Mar 2025
https://github.com/emahtab/insert-delete-getrandom
Insert delete getRandom() in O(1) average
hashmap leetcode list problem-solving
Last synced: 28 Mar 2025
https://github.com/emahtab/implement-strstr
kmp-algorithm leetcode pattern-matching rolling-hash
Last synced: 28 Mar 2025
https://github.com/emahtab/delete-node-in-a-linked-list
Delete node in a linked list
leetcode linked-list 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/sebastiandotdev/waste-v2
Leetcode platform exercises... Completely Open Sources, Ready to challenge your programming. 🌙
exercism leetcode rust typescript
Last synced: 30 Mar 2025
https://github.com/emahtab/permutations
Permutations
leetcode permutations problem-solving recursion
Last synced: 28 Mar 2025
https://github.com/emahtab/flood-fill
Flood Fill
dfs flood-fill leetcode problem-solving recursion
Last synced: 28 Mar 2025
https://github.com/shivankk26/leetcode-questions
In this GitHub Repository, I'll be adding answers to various questions available on Leetcode. This Repository consists of three categories, as given on Leetcode, i.e Easy, Medium, and Hard. As well as all the answers will be provided in Java Language. So, do check that out and have fun!
dsa dsa-algorithm dsa-practice java java-8 leetcode problem-solving problems
Last synced: 26 Feb 2025
https://github.com/mohahmadraza/leetcode-python-project-tasks
This repository, is a comprehensive collection of Python solutions and projects focused on solving a wide array of LeetCode problems. It serves as a valuable resource for anyone looking to enhance their coding skills, prepare for technical interviews, or simply practice algorithm and data structure challenges using Python.
algorithm algorithms-and-data-structures coding coding-challenge coding-interviews competitive-programming data-structures leetcode leetcode-python leetcode-solutions programming programming-challenges python software-development technical-interview-questions
Last synced: 27 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/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/yuhexiong/leetcode-solution
Document my LeetCode solution with chinese comments and multiple programming languages.
c-language cpp go golang java javascript leetcode mysql python typescript
Last synced: 24 Mar 2025
https://github.com/emahtab/add-two-numbers
Add two linked lists nodes
leetcode linked-list problem-solving
Last synced: 12 Jul 2025
https://github.com/felipecacique/leetcodeexercises
Welcome to my LeetCode Solutions repository! Here, you'll find a curated collection of my solutions to various LeetCode problems.
leetcode leetcode-python leetcode-solutions
Last synced: 24 Mar 2025
https://github.com/itsjomon/leetcode-potd
LeetCode Problem of the Day (2025).
leetcode leetcode-java leetcode-potd leetcode-solutions
Last synced: 16 Mar 2025
https://github.com/mzusin/js-bit-manipulation
A collection of bit manipulation helpers written TypeScript.
bit-manipulation bitwise bitwise-operators leetcode leetcode-javascript leetcode-solutions lsb msb number-systems xor
Last synced: 24 Mar 2025
https://github.com/emahtab/min-stack
Min Stack
constant-time leetcode problem-solving stack
Last synced: 28 Mar 2025
https://github.com/manav-khandurie/practice_leetcode
Practicing LeetCode over here
leetcode leetcode-java leetcode-solutions
Last synced: 06 Apr 2025
https://github.com/supakornn/leetcode-supakornn
All of my personal leetcode solutions.
Last synced: 24 Mar 2025
https://github.com/tjx666/leetcode-js-2022
二刷 leetcode
algorithm datastructure frontend interview javascript leetcode
Last synced: 31 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/verifying-an-alien-dictionary
Verifying an alien dictionary
alien dictionary leetcode problem-solving
Last synced: 28 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/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/course-schedule-ii
leetcode problem-solving queue topological-sort
Last synced: 28 Mar 2025
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: 28 Mar 2025
https://github.com/sherwinshen/leetcode
📖 算法学习之 LeetCode(主要基于 TS/JS 语言)
algorithm javascript leetcode typescript
Last synced: 06 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/chitangchin/leetcodeinterview150
Solutions for Leetcode Interview 150
csharp data-structures dsa-practice leetcode leetcode-practice leetcode-solutions
Last synced: 04 Mar 2025
https://github.com/muawiya-contact/2620.-counter
# 2620. Counter
challenge coding-moves functional-programming leetcode leetcode2620 problem-solving
Last synced: 29 Jun 2025
https://github.com/adityakrmishra/unstop
This repository contains my solutions to various coding problems and assessments from the Unstop 100-day code challenge. Each solution aims to be clear, efficient, and well-documented. Whether you're following along with the challenge or looking for coding examples, I hope you find these solutions helpful.
100daysofcode code coding coding-challenge github java java-8 leetcode python python3 solution solutions unstop
Last synced: 14 May 2025
https://github.com/tzuyi0817/leetcode
Solutions to LeetCode in JavaScript.
algorithm javascript leetcode leetcode-solutions
Last synced: 15 Mar 2025
https://github.com/snehalyelmati/competitive-programming-golang
Repository to maintain LeetCode, Kickstart and CodeChef solutions in Go. Implementation and notes of data structures and algorithms.
algorithms data-structures golang google-hashcode google-kickstart leetcode
Last synced: 21 Jun 2025
https://github.com/p0u4a/leet-track
Web app for tracking and visualising LeetCode progress.
data-visualization leetcode leetcode-stats web-app
Last synced: 01 Apr 2025
https://github.com/zhouboyi1998/leetcode
element-plus leetcode pinia vue vue-router
Last synced: 29 Mar 2025
https://github.com/emahtab/queue-reconstruction-by-height
Place persons at their correct location in a queue
leetcode problem-solving sorting
Last synced: 11 Jun 2025
https://github.com/rarecoil/leetcode
My solutions to leetcode algorithms questions, mostly in JavaScript, sometimes in Go
algorithms javascript leetcode leetcode-golang leetcode-javascript leetcode-solutions
Last synced: 01 Jul 2025
https://github.com/misterzurg/leetcode-preporation
🧑🎨 My solutions from LeetCode stuff
Last synced: 13 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/xu-cheng/leetcode
:dart: My leetcode solutions
leetcode leetcode-rust leetcode-solutions rust
Last synced: 05 Mar 2025
https://github.com/greatgamedota/leetcode-challenges
LeetCode challenges I've completed
algorithms leetcode leetcode-solutions
Last synced: 03 Jul 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/lebrancconvas/leetcode-problem
My Solution for Leetcode Problem.
competitive-programming leetcode leetcode-python leetcode-solutions python3
Last synced: 26 Feb 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/emahtab/word-break
Word Break
dynamic-programming leetcode problem-solving word-break
Last synced: 28 Mar 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/emahtab/coin-change
coin-change dynamic-programming leetcode
Last synced: 28 Mar 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/0xgeorgii/leetcodesolutions
Leetcode problems solutions
competitive-programming leetcode
Last synced: 28 Jun 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/emahtab/print-in-order
concurrency java leetcode semaphore
Last synced: 28 Mar 2025
https://github.com/ralvarezdev/leetcode
My solutions to Leetcode's challenges
30-day-leetcoding-challenge 30-days-of-javascript javascript leetcode leetcode-js leetcode-solutions sql sql-50
Last synced: 13 Mar 2025
https://github.com/emahtab/path-sum-iii
leetcode path-sum prefix-sum recursion
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/piyush7199/javarena-dsa-design
🚀 Java-based repository to master DSA, Low-Level Design, and High-Level Design for coding interviews — with topic-wise and company-wise tracking, real-world design patterns, and system architecture blueprints.
algorithms coding-interviews company-wise-questions data-structures design-patterns design-patterns-implemented-in-java design-patterns-java hld intellij interview-preparation java leetcode leetcode-java low-level-design-in-java low-level-design-problems object-oriented-design object-oriented-design-and-uml object-oriented-design-interview system-design-interview vscode
Last synced: 13 Jul 2025
https://github.com/laansdole/algo-code-journey
Just where I practice with algorithm and data structure
algorithms-and-data-structures leetcode rmit
Last synced: 22 Jun 2025
https://github.com/emahtab/longest-increasing-subsequence
Longest Increasing Subsequence
dynamic-programming leetcode longest-increasing-subsequence problem-solving
Last synced: 14 Jul 2025
https://github.com/emanuelefavero/leetcode
This repository contains my solutions to LeetCode problems
algorithms data-structures javascript leetcode leetcode-solutions
Last synced: 29 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