UID: 3795, Registered at 2025-10-21 13:10:29, last login at 2025-10-22 11:43:33, currently offline.
School : 郑州航空工业管理学院
Solved 5 problems, RP: 21 (No. 1477)
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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.