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Re:好不容易终于AC了，老是WA的人可以看下，不过现在还是很奇怪In Reply To:好不容易终于AC了，老是WA的人可以看下，不过现在还是很奇怪 Posted by:shinekai at 2010-02-07 13:13:40 我们要求的是出度与入度之和为1的个数num，即最终答案（num+1)/2 所以利用dfn[u]!=low[v] 令出入度都进行了叠加，即LZ代码中的cnt记录的是出入度之和 Followed by: Post your reply here: |
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