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树型dp?In Reply To:Ikki强烈号召大家讨论这个题目 Posted by:Ikki at 2005-08-23 20:45:33 > 2114 Boatherds > 绝对的好题目。 > 题意简述：N(N<=10000)个点的一棵树，每条边都有权值，给你一个值x，判断树上 > 是否有路径，使得路径的边的总长度等于x。 Followed by: Post your reply here: |
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