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AC了,是这样,如果有1->2,2->3,那么你要加上1->3边.这可能就是所谓的可达吧.呵呵.

Posted by tq at 2005-08-29 11:43:50 on Problem 2594
In Reply To:"可达"和"有路径"有什么差别吗? Posted by:tq at 2005-08-29 10:30:15


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