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Re:这是二分图……就像国际象棋棋盘一样……同色的之间没有边……

Posted by cmonkey at 2012-01-19 23:24:16 on Problem 3020
In Reply To:这是二分图……就像国际象棋棋盘一样……同色的之间没有边…… Posted by:dxhisboy at 2011-02-28 18:09:34
谢谢!看了这句话才明白点之间还能拆成两份

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