Programming Challenges: Let's dig 'em!

I have no idea what kind of tutorials I should make.. I mean, everything is in the internet already.. So what I thought of is to find a programming challenge that requires you to program something and stuff. As I try to solve the challenge, I will also explain how the program should work

So starting from today, I'll post programming challenges that might help you analyze things when it comes to programming.

Yosh! Let's hunt for some programming puzzles to solve!