2018年4月2日
New Barns
摘要： New Barns 时间限制: 1 Sec 内存限制: 128 MB 题目描述 Farmer John notices that his cows tend to get into arguments if they are packed too closely together, so he wa 阅读全文
posted @ 2018-04-02 15:59 mxzf0213 阅读(172) 评论(0) 推荐(0) 编辑