2018年4月10日
Educational Codeforces Round 41 D. Pair Of Lines
摘要： You are given n points on Cartesian plane. Every point is a lattice point (i. e. both of its coordinates are integers), and all points are distinct. Y 阅读全文
posted @ 2018-04-10 08:39 HTWX 阅读(136) 评论(0) 推荐(0) 编辑