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Re:请问大牛们杭州网络赛的B题怎么做?In Reply To:请问大牛们杭州网络赛的B题怎么做? Posted by:RoBa at 2008-10-18 17:21:29 我是先建好图 然后把Q行里所有的删边都删掉 所有的U都按顺序存下来 然后对所有的操作从后往前执行 遇到删除就加边 合并 遇到更新就把那个点的权值里的最后一个删除 但是WA了 Followed by: Post your reply here: |
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