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我改成DP了。这题的关键在于B比较小。可以用DP来做。

Posted by yygy at 2014-07-24 16:00:14 on Problem 3556
In Reply To:Re:搜索。状态为以当前结尾的最长上升子序列长度。 Posted by:JiaJunpeng at 2014-07-23 23:40:19 
> 这种记录方法恐怕搞不定吧。。。。
> 你这样搞至少要记录一个 2^n的状态，否则会转移不下去。。。。
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