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哦,原来是“弃9法”的变形;做题的时候可想不到

Posted by alpc62 at 2007-08-16 12:04:32 on Problem 1047
In Reply To:Re:无意间发现自认为简单的算法!希望算得上简单!想看的进来讨论一下啊!谢谢! Posted by:lovexx at 2006-07-25 23:56:56
> 就是只要输入的数*(len+1)=9....9(共len个)
> len=输入数的长度

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