摘要: [传送门](https://www.luogu.com.cn/problem/AT_arc067_d) ## Simplify 不难想到其实题意就是让你求: $$ \max_{1\le l\le r\le n}\left\{\sum_{i=1}^m\max_{l\le j\le r}\{b_{i,j 阅读全文
posted @ 2023-06-29 21:05 cry_sky 阅读(25) 评论(1) 推荐(0) 编辑