lxyzxzy
UID: 834, Registered at 2025-11-25 19:59:42, last login at 2026-3-3 9:18:34, last active at 2026-4-3 9:43:05.
Solved 2 problems, RP: 9 (No. 1073)
-
Bio
This person is lazy and didn't write anything. -
Accepted Problems
-
Recent Activities
This person is lazy and didn't join any contests or homework.
Problem Tags
- 系统测试
- 1
- CSP
- 1
- 数论
- 1
- 积性函数
- 1
- 筛法
- 1
- 组合数学
- 1
- 容斥原理
- 1