2018年5月20日
Luogu P2866 [USACO06NOV]糟糕的一天Bad Hair Day
摘要： P2866 [USACO06NOV]糟糕的一天Bad Hair Day 题目描述 Some of Farmer John's N cows (1 ≤ N ≤ 80,000) are having a bad hair day! Since each cow is self-conscious abo 阅读全文
posted @ 2018-05-20 08:34 Mystical-W 阅读(190) 评论(0) 推荐(0) 编辑