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Codeforces Beta Round 4 A Watermelon
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题目 源地址: http://codeforces.com/contest/4/problem/A 理解 真不愧是过了1W+的题= =,水的...
原文:https://xuanwo.io/2014/11/03/cf-4a/上一篇Codeforces Beta Round 2 B The least round way下一篇Codeforces Beta Round 3 A Shortest path of the king
