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这题应该怎么做呢?我用dijkstra+最小堆,但是tle了。-,-

Posted by enzepon at 2008-05-14 22:43:32 on Problem 1511
建了正向和反向两副图,分别用dijkstra+最小堆来求解,tle不行了,过了的大大们教我下吧。

thx..

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