xyy135
UID: 1366
暂未获得硬币
Registered at 2025-6-19 8:50:56, last login at 2025-7-4 8:33:51, currently offline.
Solved 15 problems, RP: 90.72 (No. 162)
-
Bio
This person is lazy and didn't write anything. -
Accepted Problems
-
Recent Activities
-
Recent Solutions
This person is lazy and didn't write any solutions.
Problem Tags
- CSES
- 7
- 树上问题
- 7
- 数学
- 2
- O2优化
- 2
- 递推
- 1
- 素数判断,质数,筛法
- 1
- 逆元
- 1