共计 69 篇文章
2024
CF1980E Permutation of Rows and Columns 题解
2024素养大赛题目
线段树模板
P10867 [HBCPC2024] Points on the Number Axis A 题解
P10862 [HBCPC2024] Spicy or Grilled? 题解
P10859 [HBCPC2024] Nana Likes Polygons 题解
P10858 [HBCPC2024] Long Live 题解
网络流
CF1970C2 Game on Tree (Medium) 题解
CF1986E Beautiful Array 题解