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不知名的TLE---树形DP不可行?

Posted by fstephen at 2009-07-18 12:40:04 on Problem 2594
数据如果没环的话,树形DP不可能TLE吧,时间复杂度仅仅为O(N)..
难不成数据有环?题目明明说无环...
哪位大牛有这题的数据,可以发给小弟吗?

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