Solve these set of problems. Definitely give a try. These are pretty simple - https://www.codechef.com/problems/DIVIDING - https://www.codechef.com/problems/PRIME1 - https://www.codechef.com/problems/JOHNY - https://www.codechef.com/problems/CONFLIP - https://www.codechef.com/problems/TWOSTR Also do mention your codechef username below in the comments