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我是说pku monthly的题…… 清华的那道平面图最小切割比styc当初出的那道好写百倍……

Posted by wywcgs at 2009-01-10 21:18:16 on Problem 3013
In Reply To:那次是清华出的题吧…… Posted by:lunatec at 2009-01-10 21:13:02


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