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Re:想做但又没时间,提供个思路,谁ac了通知下我,tks

Posted by JiaJunpeng at 2014-02-07 17:33:38 on Problem 3745
In Reply To:Re:想做但又没时间,提供个思路,谁ac了通知下我,tks Posted by:JiaJunpeng at 2014-02-07 14:52:36
> 您这个算法貌似有问题,可能某一棵树不连通,有两个部分,一个是以L为跟接点的树,另外一个是一个圈,这个图形也满足你的构图条件
据说这个应该是传说中的 拟阵相交算法 ,听说过名字,还木有见识过。。。

貌似 UVA 11929也是类似的算法

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