摘要: 题目背景 [Usaco2008 Jan] 题目描述 N (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we all know, some cows code 阅读全文
posted @ 2018-02-12 18:39 wakelin 阅读(363) 评论(0) 推荐(0) 编辑