Awesome Open Source
Awesome Open Source

Problem Solving

A heaven for competitive programmers

Build Status Stars PRs Issues Forks License

What this repository is about

This repository is created to organize the solutions of problems related to data structures and algorithms. And if possible, provide an easier way for learning various concepts related to data structures and algorithms.

Table of contents

Each topic is divided into numerous subtopics, such as you'd find list, stack, priority_queue, segment_tree, treap, link_cut_tree etc. under data_structure category. We encourage you add more topic in this list.

Languages used (till now)

  • C
  • C++
  • Java
  • PHP
  • Python
  • Ruby
  • JavaScript(NodeJS)
  • Racket(Formerly known as PLT Sceme)

This languages have been used till now. But we always welcome more new languages whether it is C#, Bash or Brainfuck. We welcome each and every computer language that exists in this universe.

Problems used from the following judges

Learning from this repository

You can start learning from this repository right away. If you are a beginner, start your journey from here or you can just jump right into your choice of topics.


It's very easy to contribute to this repository. If you've already started solving algorithmic problems, you can start right away. To learn details about contributing, please read this guide.


This repository is published under MIT License. To know more about license please visit this link.


To all the contributors and code reviewers.

Get A Weekly Email With Trending Projects For These Topics
No Spam. Unsubscribe easily at any time.
Javascript (1,535,723
Python (1,143,903
Java (697,538
C Plus Plus (369,974
Hacktoberfest (37,971
Cpp (16,385
Algorithms (10,950
Data Structures (6,422
Racket (3,088
Leetcode (2,597
Hacktoberfest Accepted (2,526
Competitive Programming (1,954
Problem Solving (944
Codeforces (684
Codechef (350
Spoj (146
Uva (133
Icpc (116
Codejam (84
Hackercup (17
Cuet (4
Related Projects