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干搜，硬搜，暴搜

Posted by wywcgs at 2006-08-26 22:47:17 on Problem 2811
In Reply To:这题应该怎么搜索？感觉好像有数学方法。。。 Posted by:sza at 2006-08-26 21:47:44 
> 这题应该怎么搜索？感觉好像有数学方法。。。
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