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Codeforces Beta Round 13 C Sequence
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题目 源地址: http://codeforces.com/problemset/problem/13/C 理解 给定一个序列,然后对于每一...
原文:https://xuanwo.io/2014/11/21/cf-13c/上一篇Codeforces Beta Round 12 D Ball (Div.2 Only)下一篇Codeforces Beta Round 14 B Young Photographer (Div. 2)
