铅笔君
UID: 2219, Registered at 2026-3-16 15:40:33, last login at 2026-3-16 15:41:51, last active at just now.
Solved 14 problems, RP: 13.1 (No. 838)
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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
- 13
- 模拟
- 4
- SPJ
- 1
- STL
- 1
- 计算几何
- 1
- 其他
- 1
- 数学
- 1
- 位运算
- 1