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其实很简单啦~

Posted by liqi5277 at 2008-05-24 00:02:36 on Problem 1401 
100/5=20->20/5=4
那么20+4=24
1024/5=204  ->  204/5=40  ->  40/5=8  ->  8/5=1
那么204+40+8+1=253
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