Codeforces 1080C - Masha and two friends - 容斥

Codeforces 1080C - Masha and two friends - 容斥题解链接https://lucien.ink题目链接https://codeforces.com/contest/1080/problem/C题目Recently, Masha was presented with a chessboard with a height of $n$ and a widt...

  • Lucien
  • 2018 年 12 月 09 日
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