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Re:最长链

Posted by Chojin at 2008-04-23 12:32:46 on Problem 2762
In Reply To:最长链 Posted by:qiaokan at 2008-04-23 11:31:48
俺对每个入度为0的点都搜了一下以它开始最长的链,然后从中比较出最长的,但速度非常慢。。。

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