i cant understand the problem. https://mirror.codeforces.com/problemset/problem/1325/C

can someone help me please

Hi,

Im looking for a peer in competitive programming. I'm new to competitive programming and i can solve A and B problems only,

I havent participated in any contest so far, if you are interested please message me.

im unable to message more than 2 distinct users. shall we prepare some timetable or what. its okay to solve atleast one problem with sheer understanding. Please comment. (im weak in graph and dp)