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Re:AC了的人帮我帮帮!!

Posted by LyuuSyouHa at 2009-02-09 18:54:49 on Problem 3117
In Reply To:AC了的人帮我帮帮!! Posted by:xhu_li at 2009-01-10 15:49:40
结果就是3*N-sum啊,与T没有关系的……

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