Codeforces 567A - Div2 - Lineland Mail (Arabic)
Please solve it before seeing solution:
Problem: http://codeforces.com/contest/567/pro...
Solution: https://github.com/AhmedRaafat14/Code...
Tutorials to study:
https://www.tutorialspoint.com/python...
https://www.digitalocean.com/communit...
Description & solution by me [Ahmad Raafat]
http://codeforces.com/profile/Ahmed_R...
https://a2oj.com/profile?Username=Ahm...