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Re:我也这么理解的,但是WA,连样例都搞不对。。。。

Posted by HeartRush at 2007-09-19 16:20:08 on Problem 2349
In Reply To:题意 Posted by:sixshine at 2007-09-05 22:51:19
> 有卫星电台的城市之间可以任意联络。没有卫星电台的城市只能和距离小于等于D的城市联络。题目告诉你卫星电台的个数S,让你求最小的D.
> 做最小生成树,去掉最长的S条边后,剩下最长的边就是D.
> 也就是求最小生成树中第S+1长的边。
> 完毕。

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