2018年9月25日
[Usaco2005 Dec]Cleaning Shifts 清理牛棚 (DP优化/线段树)
摘要： [Usaco2005 Dec] Cleaning Shifts 清理牛棚 题目描述 Farmer John's cows, pampered since birth, have reached new heights of fastidiousness. They now require their 阅读全文
posted @ 2018-09-25 08:15 real_l 阅读(379) 评论(0) 推荐(0)