随笔分类 -  树状数组

Educational Codeforces Round 10 D. Nested Segments [离散化+树状数组]
摘要：time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output You are given n segments on a line. There ar 阅读全文
posted @ 2019-02-23 22:05 _yjun 阅读(232) 评论(0) 推荐(0)