acid
UID: 1520, Registered at 2025-12-15 10:21:24, last login at 2025-12-15 10:21:24, currently offline.
Solved 1 problems, RP: 0 (No. ?)
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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
- 清华推研机试
- 1
- 校外推免
- 1
- 搜索
- 1
- 全排列
- 1