不知悔改
UID: 3427, Registered at 2025-12-23 13:01:11, last login at 2026-5-28 16:39:35, last active at 2026-5-28 18:32:17.
Solved 55 problems, RP: 194.45 (No. 349)
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Bio
恰同学少年，风华正茂；书生意气，挥斥方遒。
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Accepted Problems
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Recent Activities
This person is lazy and didn't join any contests or homework.