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WA的注意下。。 惨痛教训

Posted by wengsht at 2011-04-06 21:46:25 on Problem 2486
1. 加边的时候

2 1 要把根调过来,根放底了还咋搜。。

还有。。

3 4
5 3
9 3
3出现多个父亲要调整。。

2.  dp的时候注意后效性 建一个temp数组存中间dp结果再memcpy

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