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2016年8月24日
bzoj1689 [Usaco2005 Open] Muddy roads 泥泞的路
摘要： 题目描述 Farmer John has a problem: the dirt road from his farm to town has suffered in the recent rainstorms and now contains (1 <= N <= 10,000) mud pool 阅读全文
posted @ 2016-08-24 22:33 lkhll 阅读(294) 评论(0) 推荐(0)