2020年4月6日
Face The Right Way POJ - 3276（区间）
摘要： 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 backward, th 阅读全文
posted @ 2020-04-06 13:55 liuzhaoxu 阅读(167) 评论(0) 推荐(0) 编辑