摘要: Oh those picky N (1 <= N <= 50,000) cows! They are so picky that each one will only be milked over some precise time interval A..B (1 <= A <= B <= 1,0 阅读全文
posted @ 2018-04-08 20:53 Termin 阅读(109) 评论(0) 推荐(0) 编辑