摘要：
题目链接: http://acm.hust.edu.cn/vjudge/problem/viewProblem.action?id=27130 ------------------------------------------------------------------------------ 阅读全文
posted @ 2016-01-27 23:11
sagitta
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摘要：
题目链接: http://codeforces.com/problemset/problem/593/D ------------------------------------------------------------------------------------------------- 阅读全文
posted @ 2016-01-27 21:41
sagitta
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