UID: 3811, Registered at 2025-10-21 13:10:31, last login at 2025-11-2 16:21:07, currently offline.
School : 郑州航空工业管理学院
Solved 22 problems, RP: 56 (No. 1106)
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Bio
This person is lazy and didn't write anything. -
Recent Activities
This person is lazy and didn't join any contests or homework.