A categorized collection of interesting problems I've solved.
All files have a link at the top for access to the problems.
All my submissions can be found at different competitive programming profiles:
SPOJ: https://www.spoj.com/users/coderaashir/
Codechef: https://www.codechef.com/users/coderaashir
Codeforces: https://codeforces.com/profile/c___a_
I'll keep updating the repository as I solve more problems.