摘要: Educational Codeforces Round 41 (Rated for Div. 2) E. Tufurama (CDQ分治 求 二维点数) time limit per test 2 seconds memory limit per test 256 megabytes input 阅读全文
posted @ 2019-11-19 00:38 茄子Min 阅读(358) 评论(0) 推荐(0) 编辑