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2019年7月14日
洛谷P2882 [USACO07MAR]面对正确的方式Face The Right Way(贪心)
摘要： 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 backwar 阅读全文
posted @ 2019-07-14 20:15 wky32768 阅读(176) 评论(0) 推荐(0) 编辑