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哦，我明白了，把图反过来建。如果a<b，则从b到a有一条边。然后，拓扑排序的时候，优先队列里总是让大的先出队。这样求出来的就是答案的反序。In Reply To:我不明白您说的逆序找是什么意思，能说明一下吗？ Posted by:ImLazy at 2008-09-17 18:29:23 Followed by: Post your reply here: |
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