CF427C 强连通
摘要:
DescriptionYour city hasnjunctions. There aremone-wayroads between the junctions. As a mayor of the city, you have to ensure the security of all the j... 阅读全文
posted @ 2014-08-02 12:11 黎昊明 阅读(268) 评论(0) 推荐(0) 编辑
posted @ 2014-08-02 12:11 黎昊明 阅读(268) 评论(0) 推荐(0) 编辑
posted @ 2014-08-02 11:31 黎昊明 阅读(213) 评论(0) 推荐(0) 编辑