摘要: 1.题目描述 Description For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in thesame order. One day Farmer John decides to organi 阅读全文
posted @ 2018-10-27 23:24 一头 阅读(976) 评论(0) 推荐(0) 编辑