BC20270111
UID: 2042, Registered at 2024-9-3 10:02:58, last login at 2025-3-21 10:17:34, last active at 2025-3-19 21:47:55.
Solved 36 problems, RP: 95.6 (No. 345)
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Bio
Penguin~~~
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Recent Activities
This person is lazy and didn't join any contests or homework.