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Re:我就想不通这个题这么难想，怎么又着么多人做了In Reply To:我就想不通这个题这么难想，怎么又着么多人做了 Posted by:zhou123 at 2009-10-28 16:08:50 树形DP的经典题啦~~~不过我也想了几个小时，用论文OI论文中的树形DP的建树思想 + 背包作出的 Followed by: Post your reply here: |
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