摘要: 这是DFS系列的第二篇 割边的概念 In graph theory, a bridge, isthmus, cut-edge, or cut arc is an edge of a graph whose deletion increases its number of connected comp 阅读全文
posted @ 2015-08-08 16:53 Pat 阅读(5030) 评论(0) 推荐(0)
摘要: 传送门 B. Mike and Fun time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mike and some bears 阅读全文
posted @ 2015-08-08 03:12 Pat 阅读(256) 评论(0) 推荐(0)