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Re:虽然AC了但还是不怎么清楚这题为什么要这样构图？？？

Posted by Debugcool at 2009-08-04 11:19:05 on Problem 1325
In Reply To:虽然AC了但还是不怎么清楚这题为什么要这样构图？？？ Posted by:zengkui at 2007-05-15 22:13:42 
我也是啊   没明白  哪个牛牛 给仔细讲讲。。。。
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