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如果有兴趣,我可以发标程给你看看,Euler函数利用的时候有点dp的技巧:)

Posted by magic_pig at 2005-07-14 00:46:14 on Problem 2478
In Reply To:算了算了,不吵了……我再想办法刷一下 Posted by:frkstyc at 2005-07-14 00:45:14


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