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yes

Posted by frkstyc at 2006-03-22 21:47:10 on Problem 2437
In Reply To:这题是贪心做的吗? Posted by:trymj at 2006-03-22 21:22:08 
> 就是连续覆盖木版,不重叠.
> 直到所有pool都被覆盖为止.
> 是这样做的吗?
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