QDy
UID: 3212, Registered at 2026-5-12 16:53:34, last login at 2026-7-22 1:31:17, last active at 2026-7-22 11:39:35.
Solved 4 problems, RP: 22 (No. 744)
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Bio
This person is lazy and didn't write anything. -
Accepted Problems
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Recent Activities
This person is lazy and didn't join any contests or homework.
Problem Tags
- CSP
- 4
- 数论
- 2
- 积性函数
- 2
- 筛法
- 2
- 组合数学
- 2
- 容斥原理
- 2
- 树结构
- 1
- 树链剖分
- 1
- 最近公共祖先
- 1
- 其他
- 1
- RMQ
- 1
- 算法基础
- 1
- 二分答案
- 1
- 模拟
- 1