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随笔分类 -  C Spfa

更加深入的了解SPFA
摘要：SPFA算法是求单源路径的经典算法，就是一点到其它所有点的最短路径。这个类似于Flyod但是效率要高很多。下面给出具体的演示。Minya Konka decided to go to Fuzhou to participate in the ACM regional contest at their own expense.Through the efforts, they got a small amount of financial support from their school, but the school could pay only one of those costs bet 阅读全文

posted @ 2011-11-26 10:38 More study needed. 阅读(366) 评论(0) 推荐(0) 编辑

spfa算法解决POJ 2387
摘要：DescriptionBessie is out in the field and wants to get back to the barn to get as much sleep as possible before Farmer John wakes her for the morning milking. Bessie needs her beauty sleep, so she wants to get back as quickly as possible.Farmer John's field has N (2 <= N <= 1000) landmarks 阅读全文

posted @ 2011-10-07 10:20 More study needed. 阅读(230) 评论(0) 推荐(0) 编辑

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