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我过了,就是枚举分母,然后二分分子。还有一个更高效的做法就是用法理序列来做。

Posted by yygy at 2013-01-27 14:20:51 on Problem 1650
In Reply To:这道题nlog2n不能过吗? Posted by:IamMock at 2009-12-16 18:30:58
> rt

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