BC20270028

UID: 1942, Registered at 2024-9-3 10:02:45, last login at 2025-10-29 11:59:34, currently offline.

Solved 0 problems, RP: 0 (No. ?)

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Bio

激推399

钾（19）钪（21）

大号Qling

cmy AK IOI
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This person is lazy and didn't join any contests or homework.