Правка en1, от reaper28, 2020-05-08 20:01:45

question link : https://mirror.codeforces.com/problemset/problem/1256/B solution link : https://ideone.com/JInG1y What is the problem in this anyone?

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en1 Английский reaper28 2020-05-08 20:01:45 225 Initial revision (published)