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如果他不连通的话，那岂不是每个点都是割点。。。In Reply To:我没有判断连通性，也没有考虑不连续的情况。。。但是他AC了..。。数据不够强么。。 Posted by:201151122 at 2013-08-01 14:55:42 Followed by: Post your reply here: |
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