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2016
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【bzoj2097】【Usaco2010 Dec】【树形"DP"】【贪心】【二分答案】奶牛健美操Exercise

题意:

给定一棵树,要求删去K条边,使得分离出的各个子树中,最大的直径最小。

n<=10^5

Category: 贪心 | Tags: 二分 树的直径

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