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如果图不连通,怎么用BellmanFord找负环?

Posted by ZaakDov at 2009-11-12 11:06:54 on Problem 2240
如果对于每个点都来一次Bellman-Ford找负环,那就退化了……
但不连通的时候,我不知道不对每个点都来一次又该怎么办,请指教!

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