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发到了你站内邮箱。希望对你有启发。

Posted by magic_pig at 2005-07-14 10:21:09 on Problem 2478
In Reply To:我也要啊，我一直不了解这里怎么用dp的技巧 Posted by:Washington at 2005-07-14 01:20:23 
> mizhika1&163.com 3x3x ^ ^
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