摘要: 题目描述: Farmer John wants to repair a small length of the fence around the pasture. He measures the fence and finds that he needs N (1 ≤ N ≤ 20,000) pla 阅读全文
posted @ 2019-01-29 13:55 显示名称已被使用.! 阅读(242) 评论(0) 推荐(1)