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被骗过来了

Posted by xemo at 2005-08-31 21:05:03 on Problem 1486
听说是二分图匹配,看了才知道不是用最大匹配算法去做的。根本就是一贪心,不断找度为1的点,找完跳出。估计套用最大匹配算法还会错,因为是要一一确定的。

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