ysw
UID: 6156, Registered at 2026-9-22 21:36:08, last login at 2026-9-24 13:48:55, last active at 2026-10-29 17:03:47.
Solved 5 problems, RP: 5 (No. 3361)
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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
- 模拟
- 2
- 计算几何
- 1
- 坐标变换
- 1