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如果一个点它没有取，而且它的儿子和父亲都没有被取，那么就取它的父亲。(先叶子再根的次序处理)In Reply To:Re:我也想请教下树形DP怎么过？比赛时使用贪心过的 Posted by:Vi_King at 2008-07-23 10:46:23 > 能讲讲贪心吗??? > 不了解怎么建树的,,, Followed by: Post your reply here: |
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