2020年4月6日
洛谷 P2882 [USACO07MAR]Face The Right Way G
摘要： 题目传送门 题目描述 Farmer John has arranged his N (1 ≤ N ≤ 5,000) cows in a row and many of them are facing forward, like good cows. Some of them are facing b 阅读全文
posted @ 2020-04-06 19:10 liuchanglc 阅读(217) 评论(0) 推荐(0) 编辑