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/dungken/youtube-topinterview150questions-leetcode

A youtube series about data structures and algorithms on leetcode.com

collections dsa-algorithm java-core leetcode

Last synced: 03 Apr 2025

https://github.com/wenjin1997/rust-leetcode

用rust刷LeetCode代码及笔记。

leetcode

Last synced: 16 Mar 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/emahtab/decode-ways

Number of ways to decode

dynamic-programming leetcode problem-solving

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/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/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/kittonn/leetcode

My Leetcode Collection

leetcode

Last synced: 05 Apr 2025

https://github.com/aiveraiva/problem-solutions

My solutions to online judge website: LeetCode, Zerojudge, etc.

dynamic-programming leetcode leetcode-solutions online-judge problem-solving python solutions

Last synced: 09 Apr 2025

https://github.com/pbelskiy/contest

Sweet home for my solutions from different contests

leetcode

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/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/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/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/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/longest-substring-without-repeating-characters

Longest Substring Without Repeating Characters

hashset leetcode sliding-window

Last synced: 28 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/emahtab/largest-rectangle-in-a-histogram

Largest rectangle in a histogram

leetcode problems-solving

Last synced: 28 Mar 2025

https://github.com/cary-hu/leetcode-every-day

Coding Every Day, leave Bad code me away.

leetcode

Last synced: 31 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/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/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/maximal-square

Find the maximal square area

dynamic-programming 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/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/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/windomz/leetcode-init

:triangular_ruler: A tool to create leetcode code template via cli.

leetcode leetcode-golang leetcode-template

Last synced: 25 Jun 2025

https://github.com/harshit0571/dsa

This repository is dedicated to practicing Data Structures and Algorithms (DSA) concepts. It serves as a personal collection of code solutions for various DSA problems.

cpp dsa java lcoding leetcode leetcode-solutions

Last synced: 05 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

https://github.com/seungwoo321/leetcode

LeetCode Problem Solving

algorithm javascript leetcode problem-solving

Last synced: 12 Jun 2025

https://github.com/shubham-bhoite/leetcode-javascript

This Repository Contains All My Solved Leetcode JS challenge solution.

javascript leetcode leetcode-javascript-solutions leetcode-solutions

Last synced: 11 Mar 2025

https://github.com/emahtab/search-2d-matrix-ii

Search 2D Matrix sorted row and column wise

leetcode problem-solving

Last synced: 28 Mar 2025

https://github.com/emahtab/smallest-subtree-with-all-the-deepest-nodes

Find the smallest subtree with all the deepest nodes in a binary tree

bfs breadth-first-search leetcode lowest-common-ancestor problem-solving

Last synced: 28 Mar 2025

https://github.com/virtyaluk/leetcode

:triangular_ruler: Leetcode problems' solutions in C++, Go, and Python. 2030 problems solved.

airbnb algorithms amazon coding-challenge coding-interviews competitive-programming data-structures faang facebook google leetcode lyft meta microsoft netflix uber

Last synced: 05 Mar 2025

https://github.com/nurislam03/online_judge-competitive_programming

A repository to sync all my solutions for different Online Judges/platforms.

acm-icpc c competitive-programming cplusplus go golang java leetcode lightoj uva

Last synced: 25 Feb 2025

https://github.com/fireinrain/leetcode-runs

leetcode exercise that implemented by Java

java leetcode

Last synced: 03 Mar 2025

https://github.com/linthithtwe/leetcode

A Repo of my leetcode solutions

leetcode

Last synced: 04 Jul 2025

https://github.com/gnodivad/leetcode

✅ Solutions to LeetCode by Java

leetcode leetcode-java leetcode-solutions leetcode-sql

Last synced: 03 Jul 2025

https://github.com/0xgeorgii/leetcodesolutions

Leetcode problems solutions

competitive-programming leetcode

Last synced: 28 Jun 2025

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

Competitive programming solutions

atcoder codeforces leetcode project-euler usaco uva

Last synced: 07 Apr 2025

https://github.com/tank0317/leetcode

记录我的LeetCode刷题历程

algorithm leetcode

Last synced: 14 May 2025

https://github.com/vartikaraj2512/bullscows-gameusingc

🎯 Bulls and Cows Game in C 🐮🐂 A command-line game that sharpens your deductive reasoning by guessing a unique 4-digit number. Features efficient algorithms, input validation, and error handling. Highlights C programming skills, algorithm design, and game development—perfect for showcasing your technical expertise! 🚀🎮

c leetcode vsc

Last synced: 31 Mar 2025

https://github.com/threeal/leettest

Tool for compiling and testing solutions to LeetCode problems

competitive-programming compile cpp leetcode leetcode-cpp leetcode-solutions nodejs test tool

Last synced: 09 Apr 2025

https://github.com/emahtab/top-k-frequent-elements

Find top k frequent elements

leetcode problem-solving top-k treemap

Last synced: 28 Mar 2025

https://github.com/ahmad-masud/leetcode-solutions

Solutions to LeetCode problems, complete with code solutions and accompanying YouTube videos. These solutions are fetched by CompCode to help users prepare effectively for coding interviews.

leetcode leetcode-python leetcode-solutions python python3

Last synced: 18 Feb 2025

https://github.com/limon-s-interview-prep-zone/leetcode

🚀 Welcome to the Interview Preparation repository! This project is a comprehensive collection of Data Structures, Algorithms, and solved problems from common online judges, providing a robust resource for technical interview preparation.

algorithms cplusplus data-structures leetcode python

Last synced: 12 Jun 2025

https://github.com/millione/leetcode-rust

leetcode solutions based on rust

leetcode rust

Last synced: 16 Mar 2025

https://github.com/justin-pyne/coding-problems

A collection of my LeetCode solutions for Python data structure/algorithm problems and SQL problems, organized by language.

algorithms leetcode leetcode-solutions python sql

Last synced: 22 Feb 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/jayam04/about-coder-me

api to access your leetcode, codeforces and codechef stats

codechef codeforces coding-ninjas contest-rating fastapi leetcode

Last synced: 02 Dec 2024

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/parthjohri/leetcodepractice

This repository holds my solutions for all the LeetCode problems that I have been solving

cpp data-structures leetcode leetcode-cpp leetcode-solutions

Last synced: 25 Feb 2025

https://github.com/yous/leetcode

Solutions of LeetCode problems

leetcode leetcode-c

Last synced: 05 Apr 2025

https://github.com/muhammad-fiaz/data-structures-and-algorithms-solutions

Explore comprehensive solutions to coding problems from Geeks for Geeks, LeetCode, and HackerRank. This repository focuses on implementing and understanding fundamental data structures and algorithms, organized for easy navigation and quick learning.

algorithm-challenges algorithms-and-data-structures data-structure data-structures data-structures-algorithms data-structures-and-algorithms datastructure datastructures datastructures-algorithms datastructuresandalgorithm dsa dsa-algorithm dsa-learning-series dsa-practice dsa-questions dsa-solutions dsalgo-questions hackerrank leetcode solutions

Last synced: 01 Apr 2025

https://github.com/alokshandilya/sql50-leetcode

SQL 50 leetcode | solutions | postgres

leetcode postgresql sql sql50

Last synced: 27 Jun 2025

https://github.com/omanshu209/leetcode

LeetCode Solutions

leetcode leetcode-solutions

Last synced: 25 Mar 2025

https://github.com/harshikab2112/my-leetcode-solutions

A collection of my solutions to LeetCode problems, showcasing my problem-solving skills and expertise in algorithms and data structures.

dsa leetcode leetcode-solutions python

Last synced: 04 Jul 2025

https://github.com/lovealakazam/sneaking_algorithm

남몰래 알고리즘

boj java kakao leetcode python3

Last synced: 04 Apr 2025

https://github.com/wanghaoxi3000/leetcode

LeetCode 解题记录

leetcode leetcode-golang

Last synced: 21 Mar 2025

https://github.com/emahtab/binary-tree-zigzag-level-order-traversal

Binary Tree Zigzag (Spiral) Order Traversal

bfs binary-tree leetcode problem-solving

Last synced: 28 Mar 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

LeetCode Awesome Lists
awesome-leetcode-resources 79 competitive-programming 97 awesome-leetcode 44 awesome-programming-resources 70 awesome-leetcode 299 awesome-system-design 47 awesome-ebooks 106 awesome-dsa 109 Algorithms-and-Data-Structures 47 Interview-Preparation 50 awesome-cpp20 65 awesome-leetcode 39
LeetCode Categories
Blogs 196 ✅ Data Structures 127 ✅ Algorithms 114 System Design 88 📈 Resources: 80 💻 Must-Do Problems (Topic Wise) 60 📚电子书 || 教程 37 Algorithms 31 🚀 Patterns 28 Useful Links 23 Summary 22 📌 Fundamental Concepts 22 Web 21 Programming Language 20 Algorithms & Data Structures Learning Resources 17 34. Stack 17 21. Linked List 17 40. Two Pointer 16 6. Binary Trees 15 7. Bit Manipulation 15