Hello !↵
May anyone help me to solve this problem ?↵
==================↵
https://atcoder.jp/contests/abc172/tasks/abc172_c?lang=en↵
==================↵
ThankyYou.
May anyone help me to solve this problem ?↵
==================↵
https://atcoder.jp/contests/abc172/tasks/abc172_c?lang=en↵
==================↵
Thank