cchord
UID: 431, Registered at 2025-10-20 21:52:14, last login at 2025-10-29 18:24:52, last active at 2026-2-4 13:50:39.
Solved 7 problems, RP: 48 (No. 76)
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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
- 5
- 数论
- 3
- 积性函数
- 2
- 筛法
- 2
- 其他
- 2
- 算法基础
- 2
- 组合数学
- 2
- 容斥原理
- 2
- 图结构
- 1
- 最短路
- 1
- 优化建图
- 1
- CCSP
- 1
- 搜索
- 1
- DFS
- 1
- BFS
- 1
- 思维
- 1
- 最大公约数
- 1
- 多项式
- 1
- 拉格朗日插值
- 1
- 清华推研机试
- 1