2008年7月27日星期日

ZJU/ZOJ 1119 SPF 解题报告

题目大意是求给出的图中的割顶以及其所分割的子网数。

求割顶的方法非常简单,以对每个点的连接点作DFS一直到覆盖其所有连接点为止,达到覆盖所有连接点时所作的DFS次数就是子网数。注意本题数据中给出的图是一个非常稀疏的图,所以可以用邻接表优化空间储存效率。

3008859 2008-07-27 15:21:01 Accepted 1119 FPC 00:00.00 424K IwfWcf

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