005
UID: 2677, Registered at 2024-6-30 18:42:28, last login at 2025-7-29 9:51:46, last active at 2025-8-7 10:26:47.
Solved 35 problems, RP: 178.56 (No. 580)
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Bio
洛谷：ycy951130
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Accepted Problems
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Recent Activities
This person is lazy and didn't join any contests or homework.