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看来看去都觉得是任两点间最短路,一个floyd就行了.

Posted by zhucheng at 2006-12-10 17:59:30 on Problem 3147
In Reply To:奇怪啊,没理由大家都WA啊,AC的程序怎么这么长,莫非大家的方法都错了? Posted by:Savior at 2006-12-10 17:57:02


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