2018年8月1日
1036：shepherd
摘要： 1036: Shepherd Description Hehe keeps a flock of sheep, numbered from 1 to n and each with a weight wi. To keep the sheep healthy, he prepared some tr 阅读全文
posted @ 2018-08-01 11:16 半忧夏 阅读(126) 评论(0) 推荐(0) 编辑