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BC20280020

UID: 2839, Registered at 2025-9-2 14:50:14, last login at 2025-11-28 10:48:28, last active at 2025-11-28 11:17:31.

Solved 14 problems, RP: 65.79 (No. 422)

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    This person is lazy and didn't write anything.
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