liujunyu2013
UID: 2856, Registered at 2024-10-2 17:32:42, last login at 2025-6-28 17:53:31, last active at 2025-6-28 18:11:02.
Solved 45 problems, RP: 183.6 (No. 496)
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Bio
Oh,damn! 居然真的有傻子看我简介
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Accepted Problems
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Recent Activities
This person is lazy and didn't join any contests or homework.