2019年1月24日
Codeforces Round #535 (Div. 3)
摘要： A. Two distinct points You are given two segments [l1;r1] and [l2;r2] on the x-axis. It is guaranteed that l1<r1 and l2<r2. Segments may intersect, ov 阅读全文
posted @ 2019-01-24 12:54 jinkun113 阅读(323) 评论(0) 推荐(0) 编辑