2018年2月27日
浙大pat甲级题目---1013. Battle Over Cities (25)
摘要： 首先贴一下题目： It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways from/towa 阅读全文
posted @ 2018-02-27 01:04 有梦想的小菜鸟 阅读(317) 评论(0) 推荐(0) 编辑