@@ -1318,6 +1318,7 @@ Challenge sites:
- [Geeks for Geeks](http://www.geeksforgeeks.org/)
- [InterviewBit](https://www.interviewbit.com/invite/icjf)
- [Project Euler (math-focused)](https://projecteuler.net/index.php?section=problems)
+- [Code Exercises](https://code-exercises.com)
Language-learning sites, with challenges:
- [Codewars](http://www.codewars.com)
mnovaispimenta