摘要: http://poj.org/problem;jsessionid=F0726AFA441F19BA381A2C946BA81F07?id=3617 Description FJ is about to take his N (1 ≤ N ≤ 2,000) cows to the annual"Fa 阅读全文
posted @ 2016-08-15 12:40 小小姐 阅读(177) 评论(0) 推荐(0) 编辑