I'm not able to get the idea for this question ( http://codeforces.com/gym/100109/problem/F )
Someone please help me in getting the idea.
Thanks in advance!
Help Codeforces GYM 100109
I'm not able to get the idea for this question ( http://codeforces.com/gym/100109/problem/F )
Someone please help me in getting the idea.
Thanks in advance!