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Re:哎,sample 没看懂。。。。。。。

Posted by guyuecanhui at 2009-02-08 23:28:29 on Problem 3194
In Reply To:Re:哎,sample 没看懂。。。。。。。 Posted by:guyuecanhui at 2009-02-08 23:26:56
第i行的pair表示第(x,y)元素为i
剩下的就是n

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