ProblemSolving

Introduction

A repository to keep track of problem solving practice, containing solutions from platforms:

• HackerRank
• CodeForces
• LeetCode
• Beecrowd
• CodeChef

Disclaimer

This repository is personal, made public in the hope that someone may find it useful, but:

• It's not guaranteed that all solutions are correct.
• Solutions may not be best in algorithmic complexity terms.
• Solutions may have been written in a rush during a contest and may not make any sense.
• Shared with sole purpose of knowledge sharing, it's upto peers to ensure fair usage.

Competitive Programming Sites

1. Google

• Code Jam
• Hash Code
• Kick Start

2. Facebook

• Facebook Hackercup
• FB Hack

3. LeetCode

• Problems
• Contests
• Study Plan

4. Coding Ninjas

• Interview Problems
• Contests

5. GeeksforGeeks

• Data Structures
• Algorithms
• Must Do Coding Questions
• Problem of the Day (POTD)
• Interview Series
• Job a Thon
• Competitive Programming – A Complete Guide

6. InterviewBit

• Programming
• Contests

7. PrepBytes

• Competitive Coding
• Interview Coding
• Company Coding

8. Work@Tech

• Data Structures & Algorithms
  • Topics
  • Companies
  • List
• Machine Coding

9. binarysearch

• Problems
• Contest

10. HackerRank

• Practice
• Tutorials
• Interview Preparation Kits
• Compete

11. HackerEarth

• Practice
• Compete

12. CodeChef

• PRACTICE & LEARN
• Compete
  • Long Challenge
  • Cook-off
  • Lunch Time

13. CodeForces

• Problem Set
• Contests

14. AtCoder

• Contest

15. Sphere Online Judge (SPOJ)

• Problems
• Contests

16. Australian Maths Trust (AMT)

17. CSES

• CSES Problem Set
• BOI Contest Collection
• CEOI Contest Collection