xyd
UID: 2622, Registered at 2026-3-26 20:09:48, last login at 2026-3-27 15:24:02, last active at 2026-3-28 20:11:14.
Solved 4 problems, RP: 4 (No. 1447)
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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
- 其他
- 2
- 位运算
- 2
- 模拟
- 1