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表示不明白你们在说什么……有环是拓扑序不存在，这跟拓扑序不唯一是两码事啊，怎么还要在一种里面判断另一种？？In Reply To:原来 当拓扑排序不唯一（当然也就不确定）的时候 还要判断是否有环！ nightKnight 2004-09-15 02:38:00.0 Problem 1094 Posted by:Judas at 2006-04-13 22:11:31 Followed by: Post your reply here: |
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