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嗯,左右都无所谓,如果a行b列有一个白色格子,那么在二部图中就一条到左a到右b的边In Reply To:还是不那么明白，这个二部图的左顶点是行？右顶点是列？ Posted by:aromatic at 2005-08-07 22:44:04 Followed by:
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