2014年3月10日
TOJ 4523 Transportation
摘要： DescriptionGiven N stations, you want to carry goods from station 1 to station N. Among these stations, we use M tubes to connect some of them. Each t... 阅读全文
posted @ 2014-03-10 22:55 chen2013 阅读(248) 评论(0) 推荐(0)