摘要: P2982 [USACO10FEB]慢下来Slowing down 题目描述 Every day each of Farmer John's N (1 <= N <= 100,000) cows conveniently numbered 1..N move from the barn to her 阅读全文
posted @ 2017-05-13 16:58 嘒彼小星 阅读(226) 评论(0) 推荐(0) 编辑