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你是哪个学校的？我怎么不认识你？

Posted by Sempr at 2007-01-17 22:55:41 on Problem 1915
In Reply To:Re:用一点数学方法加速 1915 Posted by:xh176233756 at 2007-01-17 20:23:12 
> 你勺啊？这种问题300B的代码就可以搞定，你在干什么？
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