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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 on Problem 3659
In Reply To:我也想请教下树形DP怎么过?比赛时使用贪心过的 Posted by:ruc_t5 at 2008-07-23 10:24:36
能讲讲贪心吗???
不了解怎么建树的,,,

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