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/prallhsu/leetcode-js

:bulb:My algorithm practice with Javascript

algorithms javascript leetcode

Last synced: 02 May 2026

https://github.com/emilwijayasekara/leetcode-13-roman-to-integer

LeetCode Problem 12. Integer to Roman - The task is to sum the values of these symbols according to the rules of Roman numeral representation, with the added complexity of subtraction when a smaller numeral precedes a larger one. The goal is to return the integer value equivalent to the given Roman numeral string.

java leetcode leetcode-java leetcode-solutions

Last synced: 09 Jun 2026

https://github.com/arcbjorn/leetcode

Leetcode solutions

cpp golang leetcode typescript

Last synced: 02 May 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/chchwy/leetcode

My leetcode journey

leetcode

Last synced: 28 Apr 2026

https://github.com/emilwijayasekara/leetcode-2441-largest-positive-integer-that-exists-with-its-negative

LeetCode Problem 2441.Largest Positive Integer That Exists With Its Negative - The problem requires finding the largest positive integer in an array such that its negative counterpart also exists in the array. The objective is to return this maximum positive integer, or -1 if no such integer is found.

java leetcode leetcode-java leetcode-solutions

Last synced: 13 Jun 2026

https://github.com/charlieweinberger/leetcode-calendar

A chrome extension that displays your leetcode submission history every time you open a new tab!

calendar chrome-extension leetcode

Last synced: 03 May 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/emilwijayasekara/leetcode-1422-maximum-score-after-splitting-a-string

LeetCode Problem 1422. Maximum Score After Splitting a String - The problem involves maximizing the score by splitting a binary string into two parts and counting zeros on the left and ones on the right. The goal is to iterate through possible splits and return the highest achievable score.

java leetcode leetcode-java leetcode-solutions

Last synced: 13 Jun 2026

https://github.com/soodaayush/leetcode

A repository containing all the Leetcode challenges I have completed.

cpp javascript leetcode python

Last synced: 03 May 2026

https://github.com/blackdesert575/python-101

python-101 for one who want to practice more coding skills/tips with Python

algorithm codility datastructures hackerrank leetcode python python3

Last synced: 03 May 2026

https://github.com/xdwangwei/leetcode

我的leetcode刷题笔记，不定时更新，目前只有200多题，进行了分类，每道题提供了多种解法以及详细的注释，部分标注了原题解地址

algorithms datastructures leetcode leetcode-java

Last synced: 28 Apr 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/adityapandey-dev/codehabit

CodeHabit Analytics is a full-stack platform for developers to analyze their daily habits and coding performance on LeetCode, featuring a unified dashboard, correlation engine, and deep LeetCode integration, built with Next.js and Tailwind CSS.

analytics correlation full-stack leetcode nextjs nodejs postgresql tailwindcss typescript web-development

Last synced: 04 May 2026

https://github.com/somnathkar000/javascript-to-typescript-learning-journey

Welcome to the JavaScript to TypeScript Learning Journey repository! This repository documents my learning journey from JavaScript to TypeScript and includes various materials and exercises to enhance my understanding of the language. Additionally, I have solved a few DSA problems, which are located in the "dsa" folder.

dsa-practice leetcode typescript

Last synced: 13 Jun 2026

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

leetcode solutions in rust

algorithms leetcode solutions

Last synced: 07 Jun 2026

https://github.com/vivekkdagar/leetcode

A collection of LeetCode problems and my solutions.

competitive-programming cpp leetcode leetcode-solutions leethub

Last synced: 09 Jun 2026

https://github.com/asrot0/codes

A collection of coding solutions and challenges across multiple programming languages like 🐍 Python, C++, C#, Go, and more! 🖥️💻 Perfect for algorithm enthusiasts and competitive programmers! 🚀🔥

algorithms c codeforces coding cplusplus golang hackerrank leetcode programming python software-development

Last synced: 05 May 2026

https://github.com/iamaamir/leetcode-coach

Paste any problem. Get breakdown, approach, annotated code, dry run, complexity, and edge cases.

ai-tools dsa dsa-algorithm dsa-practice leetcode local-ai local-first solver

Last synced: 09 Jun 2026

https://github.com/istitches/leetcode

累了就刷刷题

leetcode niuke

Last synced: 22 Jun 2026

https://github.com/flypythoncom/leetcode

飞蟒Python ——FlyPython LeetCode题解

flypython leetcode leetcode-python python python3

Last synced: 09 Jun 2026

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

My solutions to LeetCode problems.

cpp csharp java leetcode mysql

Last synced: 06 May 2026

https://github.com/pwang1997/study-notes

Study notes, LeetCode solutions, project ideas

algorithms blog leetcode

Last synced: 09 Jun 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/xoraus/leetcode-dsa-grind

There are intricate patterns woven throughout existence, and I am driven by an unrelenting quest to uncover and comprehend as many of them as I can.

codechef codeforces gfg interviewbit java leetcode lintcode sql topcoder

Last synced: 14 Jun 2026

https://github.com/gowee/sync-contrib-calendar-action

💡Light the contribution graph 🟩⬜🟦 by syncing activities from GitLab, LeetCode, MediaWiki, etc., with the help of GitHub Actions

contribution-calendar contribution-graph github-actions gitlab leetcode wikipedia

Last synced: 06 May 2026

https://github.com/ngugimuchangi/coding-challenges

Solutions to common interview questions

hackerrank leetcode

Last synced: 15 Jun 2026

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/buikhacnam/leetcode-assistant-chrome-extension

A Chrome Extension makes your Leetcode journey easier!

chrome chrome-extension leetcode leetcode-solutions

Last synced: 08 May 2026

https://github.com/adilrasheed139/leetcode

Solving LeetCode Problems!

leetcode python python3

Last synced: 08 May 2026

https://github.com/rvk007/competitive-programming

Practice Competitive Programming in Python3

competettive-programming leetcode leetcode-solutions python

Last synced: 15 Jun 2026

https://github.com/arkadiyshuvaev/leetcode-challenges

Practice makes perfect :)

leetcode python

Last synced: 08 May 2026

https://github.com/sudohainguyen/leetcode-practice

Collection of LeetCode questions to ace the coding interview! - Created using [LeetHub](https://github.com/QasimWani/LeetHub)

interview-questions leetcode

Last synced: 22 Jun 2026

https://github.com/dgarc359/neetcode

Neetcode solutions in typescript

generally-available leetcode neetcode typescript

Last synced: 23 Jun 2026

https://github.com/shreemay-dixit/notion-coding-sync

A simple progress tracker which updates data from websites like leetcode,codechef,hackerank etc into your notion dashboard.

automation database leetcode notion progress tracker

Last synced: 09 May 2026

https://github.com/whyvineet/cp-solutions

Solutions to problems from CSES, Codeforces, and LeetCode

codeforces codeforces-solutions cses cses-solutions leetcode leetcode-python leetcode-solutions python3

Last synced: 10 Jun 2026

https://github.com/traunguyentvt/algorithms_leetcode

Study algorithms to deal with common problems in developing software.

algorithms ios leetcode swift5

Last synced: 09 May 2026

https://github.com/alvii147/leetcode

LeetCode problems & solutions

algorithms concurrency database leetcode shell

Last synced: 09 May 2026

https://github.com/justindal/leetcode-python-dataset

Code for building and publishing the justindal/leetcode-python-dataset dataset on Hugging Face

datasets huggingface leetcode llm ml

Last synced: 10 Jun 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/ally-matias/trilha-de-estudos

Este repositório é uma Trilha de Estudos que reúne meus aprendizados e práticas. Atualmente, a trilha abrange dois tópicos iniciais, mas novos temas serão adicionados conforme eu avançar 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-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/iprajwaal/smash_leeetcoodeee

Just using time on DSA

cpp dsa leetcode python

Last synced: 25 Apr 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/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/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/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/franciscomoretti/coding-problems

Challenges, Katas, coding problems solutions for leetcode, hackerrank

hackerrank leetcode

Last synced: 24 Apr 2026

https://github.com/shuklaritvik06/leetcode

Leetcode Questions that I solved using LEETHUB!

leetcode leethub

Last synced: 24 Apr 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/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/ischaojie/leetcode

刷题！刷题！！刷题！！！

go leetcode offer python

Last synced: 22 Apr 2026

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

🧑🏻‍💻 Repository for my saving my leetcode solutions [JAVA/PYTHON3]

leetcode leetcode-python leetcode-solutions

Last synced: 22 Apr 2026

https://github.com/aglove2189/blind75

my python solutions to the Blind 75 LeetCode questions

leetcode

Last synced: 22 Apr 2026

https://github.com/ssanthosh010303/d14c1

Day-14 Challenge-1: LeetCode Problems

csharp dotnet leetcode

Last synced: 19 May 2026

https://github.com/ruialves99k/dart_leetcode

Solving LeetCode problems using dart

dart leetcode

Last synced: 05 Jun 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/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/utkarsh5026/leetcode

LeetCode Problems Solutions in Java

dsa dsa-algorithm java leetcode leetcode-solutions

Last synced: 20 Apr 2026

https://github.com/suvraneel/leetcode

Documenting my LeetCode journey one problem at a time. Feel free to use this repository's public template

leetcode leetcode-cpp leethub

Last synced: 23 Apr 2025

https://github.com/nderousseaux/leetcode

My solutions to Leetcode problems

leetcode python typescript vscode-extension

Last synced: 20 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/litreily/leetcode

my record of leetcode solutions

algorithm docs leetcode markdown pymdown

Last synced: 19 Apr 2026

https://github.com/convexwf/leetcode

Solution to Leetcode problems. 在此记录 Leetcode 题目的解法思路，以C++为主。

algorithm cpp data-structures leetcode

Last synced: 24 Aug 2025

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

repo for LeetCode problems that I solved

algorithms leetcode python

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/rohanharikr/c-sharper

Solutions to C(see) sharper.

algorithms codility csharp dotnet exercism leetcode linq

Last synced: 23 Jun 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/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/andrewdarnall/leetllama

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

ai developertools edtech leetcode llama3 llm milvus ollama selflearning

Last synced: 18 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/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

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 269
LeetCode Categories
Blogs 1,219 🧠 Big Tech Algorithm Questions 288 Leetcode Problems & Solutions 💻 251 System Design 109 ✅ Algorithms 98 ✅ Data Structures 83 💻 Must-Do Problems (Topic Wise) 60 📈 Resources: 59 📌 Fundamental Concepts 50 🚀 Patterns 45 📚电子书 || 教程 39 Web 33 Algorithms 31 Programming Language 28 Learning Resources (Topic Wise) :checkered_flag::checkered_flag::checkered_flag: 28 Useful Links 22 Leetcode Study Plans 📚 18 Algorithms & Data Structures Learning Resources 17 Artificial Intelligence 17 21. Linked List 17