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: 2025-11-18 00:17:35 UTC
- JSON Representation
https://github.com/emahtab/number-of-distinct-islands
Count the number of distinct islands
bfs breadth-first-search depth-first-search dfs leetcode problem-solving
Last synced: 28 Mar 2025
https://github.com/emahtab/merge-k-sorted-lists
Merge k Sorted Linked Lists
leetcode merge-sorted-lists min-heap priority-queue problem-solving
Last synced: 28 Oct 2025
https://github.com/namtndev/leetcode-practice
📚 Practicing algorithms & data structures on LeetCode with JavaScript ✨
algorithm datastructures javascript leetcode
Last synced: 03 Apr 2025
https://github.com/priyakdey/leetcode
Solutions to problems from leetcode
algorithm-challenges algorithms algorithms-and-data-structures algorithms-datastructures data-structures leetcode leetcode-python leetcode-solutions python3
Last synced: 28 Mar 2025
https://github.com/emahtab/random-pick-index
Random pick index
constant-space leetcode problem-solving random
Last synced: 12 Sep 2025
https://github.com/cyberguru1/golangleetcodesolution
leetcode problems solved in golang
algorithms algorithms-and-data-structures arrays blind75 dp go golang golang-examples interface leetcode lists maps sorting stacks structs
Last synced: 13 Mar 2025
https://github.com/XoXoHarsh/CodersHub
CodersHub is a mobile app that simplifies access to coding profiles by consolidating platforms like LeetCode and Codeforces. It offers a user-friendly interface for viewing profiles, tracking ratings, and navigating daily problems without switching apps or logging in repeatedly.
codeforces competitive-programming firebase geeksforgeeks java leetcode mobile-app
Last synced: 24 Feb 2025
https://github.com/thatbeautifuldream/leetcode-sync
Leetcode Sync
leetcode leetcode-problems leetcode-solutions
Last synced: 21 Mar 2025
https://github.com/liulinboyi/algorithm-and-data-structure-of-javascript
通过leetcode解题来学习JavaScript 的算法与数据结构(Algorithm and data structure of JavaScript)
algorithm javascript leetcode typescript
Last synced: 09 Mar 2025
https://github.com/atennop1/codeproblemssolutions
Repository for making tasks from Codewars and LeetCode
codewars codewars-solutions cpp learning leetcode leetcode-solutions
Last synced: 23 Feb 2025
https://github.com/aden-q/leetcode
LeetCode Solutions
algorithms cplusplus leetcode leetcode-python3 leetcode-solutions python python3
Last synced: 21 Jul 2025
https://github.com/emahtab/missing-number
Find the missing number
hashset leetcode problem-solving
Last synced: 21 Jul 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: 30 Oct 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/dkoh2018/itsdavidoh.com
Personal website & blog built with Next.js
blog leetcode nextjs personal-website portfolio react tailwindcss web-development
Last synced: 19 Mar 2025
https://github.com/emahtab/course-schedule-ii
leetcode problem-solving queue topological-sort
Last synced: 30 Oct 2025
https://github.com/emahtab/flood-fill
Flood Fill
dfs flood-fill leetcode problem-solving recursion
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/insert-delete-getrandom
Insert delete getRandom() in O(1) average
hashmap leetcode list problem-solving
Last synced: 28 Mar 2025
https://github.com/emahtab/binary-tree-preorder-traversal
Binary Tree Preorder Traversal
binary-tree leetcode preorder-traversal problem-solving
Last synced: 28 Mar 2025
https://github.com/emahtab/longest-substring-with-at-most-two-distinct-characters
Longest Substring with At Most Two Distinct Characters
leetcode sliding-window substring
Last synced: 18 Mar 2025
https://github.com/emahtab/factorial-trailing-zeroes
Find number of trailing zeroes in factorial of a number
factorial leetcode maths maths-problem problem-solving
Last synced: 28 Mar 2025
https://github.com/emahtab/course-schedule
Course Schedule
bfs dfs kosaraju-algorithm leetcode problem-solving strongly-connected-components topological-sort
Last synced: 28 Mar 2025
https://github.com/emahtab/flipping-an-image
Flipping an image
array leetcode problem-solving
Last synced: 28 Mar 2025
https://github.com/emahtab/evaluate-reverse-polish-notation
Evaluate Reverse Polish Expression
leetcode problem-solving reverse-polish-notation stack
Last synced: 19 Jun 2025
https://github.com/emahtab/container-with-most-water
Container with most water problem
container-with-most-water leetcode leetcode-java problem-solving two-pointers
Last synced: 28 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/lotrien/leet-code
Algorithm and data structure problems from https://leetcode.com solved in JavaScript
algorithms data-structures javascript js leetcode
Last synced: 18 Mar 2025
https://github.com/marcode24/coding-challenges
🎯 This repository contains a collection of challenges that I have solved in the past using javascript and jest for testing
coderbyte codewars codewars-challenges codewars-javascript codewars-kata codewars-solutions coding-challenges eslint github-actions husky interview-questions javascript jest katas leetcode leetcode-javascript leetcode-solutions lint-staged questions test
Last synced: 29 Mar 2025
https://github.com/xoxoharsh/codershub
CodersHub is a mobile app that simplifies access to coding profiles by consolidating platforms like LeetCode and Codeforces. It offers a user-friendly interface for viewing profiles, tracking ratings, and navigating daily problems without switching apps or logging in repeatedly.
codeforces competitive-programming firebase geeksforgeeks java leetcode mobile-app
Last synced: 18 Mar 2025
https://github.com/emahtab/binary-tree-pruning
Binary Tree Pruning
binary-tree leetcode problem-solving pruning
Last synced: 14 Jun 2025
https://github.com/emahtab/binary-tree-level-order-traversal-ii
Binary Tree Level Order Traversal
bfs binary-tree binary-tree-traversal leetcode problem-solving
Last synced: 28 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/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/binary-tree-inorder-traversal
Binary Tree Inorder Traversal
binary-tree inorder-traversal leetcode problem-solving
Last synced: 28 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/closest-binary-search-tree-value
Closest Binary Search Tree Value
binary-search-tree leetcode problem-solving
Last synced: 21 Aug 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/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/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/delete-nodes-and-return-forest
depth-first-search forest leetcode
Last synced: 27 Aug 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/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/decode-ways
Number of ways to decode
dynamic-programming leetcode problem-solving
Last synced: 28 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/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/thutasann/ts-leet
algorithms, leet code solutions and typescript fundamentals
algorithms leetcode typescript
Last synced: 24 Feb 2025
https://github.com/tanhauhau/leetcodestarter
Boilerplate to kickstart your LeetCode practice
boilerplate java leetcode practice
Last synced: 27 Mar 2025
https://github.com/unorsk/goog
Mostly Leetcode challenges
algorithm-challenges algorithms haskell leetcode
Last synced: 06 Apr 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/karanchawla/programmingpractice
This repository contains my implementations of common algorithms and data structures. It also includes some competitive coding problems solutions.
cpp cpp-primer geeksforgeeks leetcode programming-language
Last synced: 21 Mar 2025
https://github.com/tkachuk-ai/leet-code
My LeetCode solutions (from Brute Force to possible efficient algorithms with time and space complexity analysis) provided for the reference. The repo is continuously updated 🔛
interview-practice interview-preparation interview-questions leetcode leetcode-java leetcode-solutions
Last synced: 04 Mar 2025
https://github.com/jaebradley/leetcode
Leetcode Problem Solutions
leetcode leetcode-java leetcode-solutions programming-challenges
Last synced: 04 Mar 2025
https://github.com/jaebradley/leetcode.js
Leetcode solutions, written in JavaScript
Last synced: 04 Mar 2025
https://github.com/bansal-samarth/daily-dose-of-dsa
A collection of my DSA solutions—cracking problems one algorithm at a time!
algorithms-and-data-structures data-structures dsa geeksforgeeks geeksforgeeks-solutions leetcode leetcode-solutions
Last synced: 06 Apr 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/cyberoctane29/leetcode-python-solutions
This repository contains my Python solutions to LeetCode problems, categorized by difficulty: Easy, Medium, and Hard. Some problems include multiple approaches to showcase different techniques and optimizations. All solutions are well-commented for clarity, making this a valuable resource for learning and improving Python problem-solving skills.
leetcode leetcode-database leetcode-python leetcode-solutions python
Last synced: 13 Mar 2025
https://github.com/contactvaibhavi/leetcodesolutions
Complete code implementations to the Leetcode Questions I've solved so far
algorithm algorithms algorithms-and-data-structures cpp data-structures dsa interview interview-practice interview-prep interview-preparation interview-questions java leetcode leetcode-cpp leetcode-java leetcode-solutions mit-license
Last synced: 13 Mar 2025
https://github.com/vaibhav18matere/practice
A central repository to practice DSA, JavaScript, React; almost everything around problem solving and logic building
design-patterns dsa javascript leetcode react
Last synced: 31 Mar 2025
https://github.com/anvouk/leetcode
C/C++ leetcode personal solutions
leetcode leetcode-c leetcode-cpp leetcode-solutions
Last synced: 24 Feb 2025
https://github.com/dov4k1n/yandex
Решения задач на алгоритмы и конспекты лекций школы мобильной разработки
android kotlin leetcode yandex
Last synced: 29 Mar 2025
https://github.com/hanelliotphan/leetcode-solutions
[2021-present] My Leetcode solutions (mostly in Python3)
algorithms competitive-programming leetcode
Last synced: 08 Sep 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/emahtab/daily-temperatures
Find the days after which there will be a warmer day
leetcode problem-solving stack
Last synced: 26 Jun 2025
https://github.com/huseynovvusal/python-dsa-course
📘 Official repository of "Data Structures & Algorithms with Python" course in Azerbaijani on Udemy.
algorithms-and-data-structures leetcode python udemy-course
Last synced: 18 Jul 2025
https://github.com/imbios/lab-extract-common-letters
📝 TypeScript implementation of an algorithm to extract common characters across multiple strings, optimized for performance with O(n*k) time complexity.
algorithms coding-challenge coding-interview data-structures educational hacktoberfest hash-table interview-preparation leetcode npm-package optimization performance problem-solving string-manipulation time-complexity typescript
Last synced: 12 Mar 2025
https://github.com/mohuishou/leetcode
leetcode leetcode-golang leetcode-javascript
Last synced: 15 May 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/vartikaraj2512/dsa-training
**DSA-Training** 📚🚀: A comprehensive C-based DSA repository covering arrays, linked lists, stacks, queues, trees, graphs, hashing, dynamic programming, greedy algorithms, backtracking, sorting, and searching. Essential for placement prep and industry use, showcasing technical proficiency, problem-solving , and readiness for top tech roles. 🌟💻
Last synced: 04 Mar 2025
https://github.com/5j54d93/leetcode
My code to solve LeetCode problem in C/C++.
c cpp leetcode leetcode-solutions
Last synced: 22 Mar 2025
https://github.com/dev-ik/leetcode-typescript
Solutions for leetcode by typescript
leetcode leetcode-solutions leetcode-typescript typescript
Last synced: 06 Apr 2025
https://github.com/thethunderb0lt/100-days_challenge
This is 100 Days of Coding Challenge that I have started to land a job as SDE role.
algorithms algorithms-and-data-structures challenge developer gfg hackerrank leetcode python sde software-engineer
Last synced: 03 Mar 2025
https://github.com/proftanish/daily-dsa
Dealing with problem solving in C++ daily
cpp leetcode leetcode-cpp leetcode-solutions problem-solving
Last synced: 17 Mar 2025
https://github.com/viniciuscestarii/leetcode
🐱💻 Leetcodes that I have done
Last synced: 21 Mar 2025
https://github.com/michaelehab/leetcode-april-challenge-2022
This Repository contains my solutions to April LeetCoding Challenge 2022 problems.
algorithm backtracking binary-search bit-manipulation cpp dfs leetcode leetcode-solutions problem-solving recursion strings two-pointers
Last synced: 04 Mar 2025
https://github.com/harish-aka-shivi/daily-exercises
Workout for brain 🧠 💪 .
algorithms data-structures javascript leetcode
Last synced: 22 Jul 2025
https://github.com/rockharshitmaurya/leetcode-hub
Collection of LeetCode questions to ace the coding interview!
algorithms data-structures java leetcode
Last synced: 14 Jul 2025
https://github.com/ayush272002/complete-java-with-dsa
Complete DSA series using Java which covers all important DSA concepts asked in an interview
algorithms-and-data-structures codingninjas dsa geeksforgeeks java leetcode
Last synced: 22 Mar 2025
https://github.com/kolsha/hackerrank
HackerRank/ Leetcode solutions
hackerrank hackerrank-algorithms-solutions hackerrank-cpp hackerrank-solutions leetcode leetcode-cpp leetcode-solutions
Last synced: 03 Mar 2025
https://github.com/clintjohnsn/ds-algo
Leetcode solutions in python, with time and complexity analysis and documentation.
algorithms data-structures leetcode leetcode-python leetcode-python3 leetcode-solutions
Last synced: 14 Mar 2025
https://github.com/humbertocg18/leetcode
Some Leetcode problems
algorithms-and-data-structures datastructures-algorithms leetcode leetcode-java leetcode-practice leetcode-solutions
Last synced: 29 Mar 2025
https://github.com/johnntirintis/leetcode
Collection of my solutions to various LeetCode problems.
leetcode leetcode-java leetcode-practice leetcode-python leetcode-questions leetcode-solutions
Last synced: 03 Mar 2025
https://github.com/jorgermduarte/discord-bot-code-challenges
A discord nodejs bot for daily code-challenges!
api automatic base bot code-challenge code-challenges discord javascript leetcode nodejs practice programming
Last synced: 03 Mar 2025
https://github.com/ajitashwathr10/leetcode
Problem Solving
bash-script cpp17 leetcode python3
Last synced: 06 Mar 2025
https://github.com/mahmud-kandawala/leetcode-solutions
Geeking Time :)
data-structures javascript leetcode python sql
Last synced: 25 Feb 2025
https://github.com/shaygali/leetcode
my solutions for leetcode questions
leetcode leetcode-java leetcode-solutions
Last synced: 02 Mar 2025
https://github.com/shivamm-verma/learn-cpp
This Repository is Track of all files; I have worked with to learn Data Structures and Algorithms using C++! I have learnt through Multiple Resources, and I am still keep digging.
cpp data-structures-and-algorithms leetcode problem-solving
Last synced: 29 Mar 2025
