2023年5月23日
Educational Codeforces Round 148 (Rated for Div. 2) D1. Red-Blue Operations
摘要： Educational Codeforces Round 148 (Rated for Div. 2) D1. Red-Blue Operations [Easy Version传送门](https://codeforces.com/contest/1832/problem/D1) [Hard Version传送门](https://codeforces.com/contest/1832/problem/D1) 题目大意： ![](https:// 阅读全文
posted @ 2023-05-23 22:49 春始于雪之下 阅读(29) 评论(0) 推荐(0) 编辑
The 15th Jilin Provincial Collegiate Programming Contest D. Rush Morning 线段树动态维护树直径
摘要： The 15th Jilin Provincial Collegiate Programming Contest D. Rush Morning 线段树动态维护树直径 [传送门](https://codeforces.com/gym/103486/problem/D) ``` #include #include #include #include #include #include #include #include #include #include #incl 阅读全文
posted @ 2023-05-23 22:20 春始于雪之下 阅读(55) 评论(0) 推荐(0) 编辑