12 Cool Coding Challenges Sites for Programmers

Learn how to be or deepen your knowledge as a programmer with these wonderful websites containing coding challenges:

CodeChef

https://www.codechef.com

CodeFight

https://codefight.in

CodinGame

https://www.codingame.com

CodeForces

https://codeforces.com

LeetCode

https://leetcode.com

GeeksforGeeks

https://www.geeksforgeeks.org

Codewars

https://www.codewars.com

EdaBit

https://edabit.com