Subatom's blog

By Subatom, history, 3 years ago, In English

One guy a days ago wrote a post about problem. He wrote wrong statement so I was interested in real problem.

I can't do it by myself can someone help?

problem link-- https://codeforces.com/group/MWSDmqGsZm/contest/219158/problem/Z

There is no editorial :d so that is why I am asking.

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