Data

Tools

Indexes

Applications

Experiments

Awesome

An open API service indexing awesome lists of open source software.

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.

https://github.com/kenwuqianghao/coding-problems

Practice coding problems I did including LeetCode, Code Forces, USACO, etc.

codeforces cses leetcode python usaco

Last synced: 16 Apr 2026

https://github.com/emilwijayasekara/leetcode-2974-minimum-number-game

LeetCode Problem 2974. Minimum Number Game - A given array of even length. In each round, two players remove and append elements in a specific order, and the task is to return the resulting array after all rounds are completed.

java leetcode leetcode-java leetcode-solutions

Last synced: 17 Apr 2026

https://github.com/joric/leetcode

Leetcode Daily stats & calendar (with scheduled update)

leetcode oneliners

Last synced: 03 Jun 2026

https://github.com/aadimator/competitve-programming

My solutions for the competitive programming tasks.

codeforces competitive-programming hackerrank leetcode

Last synced: 02 Apr 2026

https://github.com/martishin/squeal

Solutions for Leetcode's Advanced SQL 50

black leetcode leetcode-sql-50 mypy pandas postgresql pylint python sql

Last synced: 17 Apr 2026

https://github.com/alphaleporus/leetabhyas

Daily DSA grind on LeetCode โ€“ Abhyas of code, logic, and consistency.

algorithms auto-sync competitive-programming cronjob data-structures dsa github-actions java leetcode leetcode-export python workflow

Last synced: 17 Apr 2026

https://github.com/cyberg4b/leetcode-exercises

Some LeetCode Data Structures exercises in TypeScript.

data-structures leetcode typescript

Last synced: 07 May 2026

https://github.com/ryanparsa/leetcode

my leetcode playground

algorithm leetcode

Last synced: 17 Apr 2026

https://github.com/rutvij26/leetcode-wiki

This project serves as a comprehensive repository of knowledge and explanations for various LeetCode problems.

leetcode

Last synced: 04 Apr 2026

https://github.com/abanoub-asaad/problemsolving

LeetCode Solutions and Ds & Algo Resources.

cpp java leetcode problem-solving

Last synced: 17 Apr 2026

https://github.com/hyperplasma/ultimate-solutions

Hyplus solutions for LeetCode, PAT, etc. Mainly in Java, C++, and Go. Daily AC!

cpp golang java javascript leetcode leetcode-java marscode php pta

Last synced: 04 Apr 2026

https://github.com/mbtakanov/leet-code

LeetCode solutions in Python organized by algorithmic patterns. Each solution includes problem description, and time/space complexity analysis.

algorithms data-structures interview-preparation leetcode programming-challenges python

Last synced: 05 Apr 2026

https://github.com/jpleboeuf/leetcode_solutions

My solutions to problems available on LeetCode.

leetcode leetcode-solutions

Last synced: 18 Apr 2026

https://github.com/andrewdarnall/leetllama

LeetLLama is an AI-powered coding mentor that helps you learn algorithms and programming through interactive, personalized problem-solvingโ€”like pair-programming with a senior dev.

ai developertools edtech leetcode llama3 llm milvus ollama selflearning

Last synced: 18 Apr 2026

https://github.com/abdullah-niaz/leetcode

leetcode is a collection of solutions to various LeetCode problems, covering a wide range of algorithms and data structures. This repository serves as a practice resource for coding interviews and competitive programming, with solutions in Python for different problem categories and difficulties.

dsa leetcode leetcode-cpp leetcode-java leetcode-python leetcode-solutions problem-solving

Last synced: 18 Apr 2026

https://github.com/mj-awad17/leetcode-problems-solutions

Collection of @LeetCode problems Daily Challenges and their possible solutions with different approaches along side the @leetcode @topics of DSA.Below review the LeetCode-Profile

arrays backtracking binary-search-tree graph hash-table leetcode leetcode-python leetcode-solutions linked-list math sorting string tree two-pointers

Last synced: 19 Apr 2026

https://github.com/cowienduckie/daily-leet-code

Solutions for LeetCode daily problems

dsa-practice leetcode python3

Last synced: 04 Jun 2026

https://github.com/dolphinium/leet-code

repo for LeetCode problems that I solved

algorithms leetcode python

Last synced: 19 Apr 2026

https://github.com/litreily/leetcode

my record of leetcode solutions

algorithm docs leetcode markdown pymdown

Last synced: 19 Apr 2026

https://github.com/ch-garcia/leetcode-sql

This repository contains all of my SQL solutions for problems solved on LeetCode using PostgreSQL.

leetcode leetcode-practice leetcode-questions leetcode-solutions postgres postgresql sql

Last synced: 04 Jun 2026

https://github.com/nderousseaux/leetcode

My solutions to Leetcode problems

leetcode python typescript vscode-extension

Last synced: 20 Apr 2026

https://github.com/utkarsh5026/leetcode

LeetCode Problems Solutions in Java

dsa dsa-algorithm java leetcode leetcode-solutions

Last synced: 20 Apr 2026

https://github.com/abdullah-niaz/linked-list-problems

Solutions to various linked list problems, covering basic operations, advanced techniques, and efficient problem-solving approaches in C++/Python.

algorithms cplusplus datastructures leetcode linkedlist problemsolving python

Last synced: 20 Apr 2026

https://github.com/roy7077/segmenttree_fenwicktree

This repository includes clear explanations and practical problems related to Segment Trees and Fenwick Trees, helping you understand and use these data structures effectively.

advance-data-structure codeforces dsa dsa-algorithm fenwick-tree hackerearth leetcode problem-solving segment-tree

Last synced: 20 Apr 2026

https://github.com/ruialves99k/dart_leetcode

Solving LeetCode problems using dart

dart leetcode

Last synced: 05 Jun 2026

https://github.com/ssanthosh010303/d14c1

Day-14 Challenge-1: LeetCode Problems

csharp dotnet leetcode

Last synced: 19 May 2026

https://github.com/aglove2189/blind75

my python solutions to the Blind 75 LeetCode questions

leetcode

Last synced: 22 Apr 2026

https://github.com/jagrit007/lc-prac

๐Ÿง‘๐Ÿปโ€๐Ÿ’ป Repository for my saving my leetcode solutions [JAVA/PYTHON3]

leetcode leetcode-python leetcode-solutions

Last synced: 22 Apr 2026

https://github.com/ischaojie/leetcode

ๅˆท้ข˜๏ผๅˆท้ข˜๏ผ๏ผๅˆท้ข˜๏ผ๏ผ๏ผ

go leetcode offer python

Last synced: 22 Apr 2026

https://github.com/infinity-boi/dsa-codes

Popular Competitive Programming Questions essential for interview preparation

algorithms competitive-programming data-structures leetcode spoj

Last synced: 06 Jun 2026

https://github.com/anuj-thakur-513/6-companies-30-days

This is the repo for Arsh Goyal's 6 Companies 30 Days Challenge

6companies30days 6companies30days2k23 arshgoyal challenge leetcode revisewitharsh

Last synced: 06 Jun 2026

https://github.com/shuklaritvik06/leetcode

Leetcode Questions that I solved using LEETHUB!

leetcode leethub

Last synced: 24 Apr 2026

https://github.com/franciscomoretti/coding-problems

Challenges, Katas, coding problems solutions for leetcode, hackerrank

hackerrank leetcode

Last synced: 24 Apr 2026

https://github.com/chenhengqi/learn-rust-the-hard-way

learn rust by solving leetcode problems and by comparing with C++

cpp leetcode rust

Last synced: 24 Apr 2026

https://github.com/saiteja-madha/ds-and-algo

Solutions for problems related to data structures and algorithms

algorithms data-structures hackerrank leetcode

Last synced: 25 Apr 2026

https://github.com/emilwijayasekara/leetcode-1784-check-if-binary-string-has-at-most-one-segment-of-ones

LeetCode Problem 1784. Check if Binary String Has at Most One Segment of Ones - check if a binary string has at most one contiguous segment of ones. The function returns true if the ones form a single unbroken sequence; otherwise, it returns false.

java leetcode leetcode-java leetcode-solutions

Last synced: 06 Jun 2026

https://github.com/armandfs/leetcode-storage

repo for storing all of my leetcode history and code that I've submitted. (Possibly will be in Python or maybe even JavaScript)

leetcode leetcode-python leetcode-solutions

Last synced: 25 Apr 2026

https://github.com/iprajwaal/smash_leeetcoodeee

Just using time on DSA

cpp dsa leetcode python

Last synced: 25 Apr 2026

https://github.com/emilwijayasekara/leetcode-2011-final-value-of-variable-after-performing-operations

LeetCode Problem 2011. Final Value of Variable After Performing Operations - execution of simple increment and decrement operations on a variable 'X' based on a given array of operation strings. The goal is to determine the final value of 'X' after performing all the operations.

java leetcode leetcode-java leetcode-solutions

Last synced: 07 Jun 2026

https://github.com/ally-matias/trilha-de-estudos

Este repositรณrio รฉ uma Trilha de Estudos que reรบne meus aprendizados e prรกticas. Atualmente, a trilha abrange dois tรณpicos iniciais, mas novos temas serรฃo adicionados conforme eu avanรงar nos estudos. Inicialmente, estou focando em JavaScript, mas pretendo migrar para TypeScript futuramente.

arquitetura-limpa design-patterns estrutura-de-dados injection-dependency javascript leetcode system-design typescript

Last synced: 27 Apr 2026

https://github.com/emilwijayasekara/leetcode-1678-goal-parser-interpretation

LeetCode Problem 1678. Goal Parser Interpretation - interpreting a given string command using a Goal Parser. The interpreter replaces specific substrings according to defined rules, and the goal is to return the final concatenated result after the interpretation.

java leetcode leetcode-java leetcode-solutions

Last synced: 07 Jun 2026

https://github.com/akagi201/leetcode-rs

leetcode solutions in rust

algorithms leetcode solutions

Last synced: 07 Jun 2026

https://github.com/blablatdinov/leetcode-anki

This repository is designed to assist you in systematically learning and memorizing LeetCode problems and algorithms using Anki, a popular mnemonic learning tool

algorithms algorithms-and-data-structures anki learning leetcode python

Last synced: 28 Apr 2026

https://github.com/xdwangwei/leetcode

ๆˆ‘็š„leetcodeๅˆท้ข˜็ฌ”่ฎฐ๏ผŒไธๅฎšๆ—ถๆ›ดๆ–ฐ๏ผŒ็›ฎๅ‰ๅชๆœ‰200ๅคš้ข˜๏ผŒ่ฟ›่กŒไบ†ๅˆ†็ฑป๏ผŒๆฏ้“้ข˜ๆไพ›ไบ†ๅคš็ง่งฃๆณ•ไปฅๅŠ่ฏฆ็ป†็š„ๆณจ้‡Š๏ผŒ้ƒจๅˆ†ๆ ‡ๆณจไบ†ๅŽŸ้ข˜่งฃๅœฐๅ€

algorithms datastructures leetcode leetcode-java

Last synced: 28 Apr 2026

https://github.com/davzoku/leetcode-obsidian-frontend

Next.js Frontend of Leetcode Solutions. 1/2 of leetcode.walterteng.com

interview-preparation leetcode leetcode-python leetcode-solutions nextjs

Last synced: 28 Apr 2026

https://github.com/chchwy/leetcode

My leetcode journey

leetcode

Last synced: 28 Apr 2026

https://github.com/vanessaaleung/a-leetcode-a-day

Chrome extension that pops up a random LeetCode top 100 question.

chrome d3 extension leetcode

Last synced: 28 Apr 2026

https://github.com/mr-possible/leetcode-practice

A developer has his vices ๐Ÿ˜ช

leetcode

Last synced: 28 Apr 2026

https://github.com/ruchip16/daily_dsa

In this repository, I will share all the questions that I will solve in a2oj ladders, Leetcode and Interviewbit

interview interview-questions leetcode

Last synced: 08 Jun 2026

https://github.com/vtheonly/150_leetcode_problems

LeetCode: 150 total problems, with 50 easy, 75 medium, and 25 hard.

algorithms coding cpp data-structures java javascript leetcode problem-solving python

Last synced: 28 Apr 2026

https://github.com/jiisanda/solved

Python & Rust | Practice Problems and Design Pattern

design-patterns factory-method-pattern leetcode problem-solving python rust singleton-pattern

Last synced: 28 Apr 2026

https://github.com/hoangnx30/dsa

I failed a lot of interviews due to the data structure and algorithm... That's why.

datastructures-algorithms golang leetcode python3

Last synced: 08 Jun 2026

https://github.com/hyungeol94/software_competency_practice

1์ผ 1์ปค๋ฐ‹์œผ๋กœ ์ด์–ด์˜ค๋Š” ์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ฌธ์ œ ํ’€์ด ๊ธฐ๋ก

boj leetcode programmers python swift

Last synced: 29 Apr 2026

https://github.com/man0sh-r0y/leetcode-practice-enviroment

VS Code set up for your seamless problem solving journey. If You are a Windows / Mac user you can follow it.

leetcode problem-solving vscode

Last synced: 29 Apr 2026

https://github.com/emilwijayasekara/leetcode-1108-defanging-an-ip-address

LeetCode Problem 1108. Defanging an IP Address - The task is to create a defanged version of a given IPv4 address by replacing each period "." with "[.]". The goal is to modify the address format while preserving its validity.

java leetcode leetcode-java leetcode-solutions

Last synced: 08 Jun 2026

https://github.com/savka777/p_scraping

Leetcode problem set data scraper

leetcode scraping web

Last synced: 29 Apr 2026

https://github.com/whtoo/leetcodejournal

A journal of leetcode experience

javascript journal leetcode scala

Last synced: 29 Apr 2026

https://github.com/udit-rawat/quest

Quest is a on device RAG that helps you quickly find solutions to coding problems. It searches through a database of answers and gives you clear, easy-to-understand solutions tailored to your question. Whether you're looking for explanations or code examples, Quest helps you find the right answer fast.

deepseek-r1 hnsw leetcode ollama ollama-api qwen2 rag sentence-transformers

Last synced: 29 Apr 2026

https://github.com/soulhat/leetcode

The solutions of 1000+ LeetCode problems!

leetcode leetcode-solutions leetcode-typescript typescript

Last synced: 29 Apr 2026

https://github.com/rileysuomi/datastructures-and-algos

Collection of data structure implementations, algorithms, and leet-code solutions

algorithms cpp data-structures leetcode python

Last synced: 29 Apr 2026

https://github.com/manku27/peer-code

Grab Leetcode Javascript solutions easily. Leave a comment if your interviewer cross-questioned .

javascript leetcode leetcode-solutions nodejs

Last synced: 29 Apr 2026

https://github.com/rootkwak528/til-aps

์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ฌธ์ œ ํ’€์ด (LeetCode, SWEA)

leetcode python3 swea

Last synced: 08 Jun 2026

https://github.com/beatricebretti/bealeetcode

Upload of my LeetCode solutions

leetcode leetcode-cpp leetcode-solutions

Last synced: 08 Jun 2026

https://github.com/patricktcoakley/leetcode.dart

Leetcode solutions in Dart.

dart leetcode leetcode-dart

Last synced: 30 Apr 2026

https://github.com/shuuji3/leetcode

๐Ÿ“ƒ Code submitted to LeetCode

leetcode leetcode-solutions

Last synced: 01 May 2026

https://github.com/aryagxr/leetcode

Documenting my LeetCode attempts!

leetcode

Last synced: 13 Jun 2026

https://github.com/rawanfarakhnah/leetcode-solutions

A collection of my LeetCode solutions in Python and JavaScript, categorized by difficulty (Easy, Medium, Hard). Focused on clean code, efficient solutions, and improving problem-solving skills.

algorithms data-structures javascript leetcode problem-solving python

Last synced: 30 Apr 2026

https://github.com/whalecold/leetcode

solutions of leetcode in rust

golang leetcode rust tools

Last synced: 30 Apr 2026

https://github.com/6a6aqth/version-controlled-java-leetcode-solutions

A repository to showcase my DevOps skills using version control and Java programming. This repo contains solutions to LeetCode challenges where each commit represents the completion of a different challenge. It demonstrates how version control can be used in an iterative development process.

git java leetcode subversion version-control

Last synced: 30 Apr 2026

https://github.com/sixtycode/leetcode

sixtycode on leetcode

leetcode typescript

Last synced: 08 Jun 2026

https://github.com/nagarajpandith/competitive-programming

A repo to store my successful submissions in Contests on different online judges. Progress updated every week.

competitive-programming cplusplus dsa dsa-practice hackerrank leetcode

Last synced: 01 May 2026

https://github.com/sarmad426/dsa-python

Data Structures and Algorithms using python from basics to adavnce featuring Leetcode problems.

algorithms data-structures-and-algorithms leetcode leetcode-solutions python

Last synced: 08 Jun 2026

https://github.com/leye195/algorithm-coding

์•Œ๊ณ ๋ฆฌ์ฆ˜ ์ฝ”๋”ฉ ๋ฌธ์ œ ํ’€์ด ์ €์žฅ์†Œ ์ž…๋‹ˆ๋‹ค.

algorithm baekjoon javascript leetcode programmers python

Last synced: 01 May 2026

LeetCode Awesome Lists
awesome-leetcode-resources 65 competitive-programming 97 awesome-leetcode 44 awesome-programming-resources 70 awesome-leetcode 299 awesome-system-design 49 awesome-interview-algorithms 800 awesome-ebooks 106 awesome-dsa 109 Algorithms-and-Data-Structures 47 awesome-interview 74 Interview-Preparation 50 awesome-cpp20 65 awesome-leetcode 39 awesome-python-leetcode 278
LeetCode Categories
Blogs 1,219 ๐Ÿง  Big Tech Algorithm Questions 288 Leetcode Problems & Solutions ๐Ÿ’ป 260 System Design 109 โœ… Algorithms 97 โœ… Data Structures 83 ๐Ÿ’ป Must-Do Problems (Topic Wise) 60 ๐Ÿ“ˆ Resources: 59 ๐Ÿ“Œ Fundamental Concepts 50 ๐Ÿš€ Patterns 45 ๐Ÿ“š็”ตๅญไนฆ || ๆ•™็จ‹ 39 Web 33 Algorithms 31 Learning Resources (Topic Wise) :checkered_flag::checkered_flag::checkered_flag: 28 Useful Links 27 Programming Language 26 Leetcode Study Plans ๐Ÿ“š 18 Algorithms & Data Structures Learning Resources 18 Artificial Intelligence 17 34. Stack 17