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就是把包含每个数的集合用bit来表示,然后每个数最多用32个int就都记录下来了,然后就枚举

Posted by frkstyc at 2005-05-29 22:02:07 on Problem 2443
In Reply To:styc有时间就说说这题吧,437ms, amazing! Posted by:yesiam at 2005-05-29 21:58:20


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