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Re:如果图不连通，怎么用BellmanFord找负环?In Reply To:如果图不连通，怎么用BellmanFord找负环? Posted by:ZaakDov at 2009-11-12 11:06:54 > 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！ 添加一个点，把所有原来的点都跟他连一条长度大于所有负边之和的相反数的边 Followed by: Post your reply here: |
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