butmon
UID: 20, Registered at 2023-8-7 14:28:46, last login at 2024-3-5 18:44:02, currently offline.
Solved 1 problems, RP: 6 (No. 262)
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Bio
This person is lazy and didn't write anything. -
Accepted Problems
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Recent Activities
Problem Tags
- 2014
- 1
- NOIP 提高组
- 1