UID: 3812, Registered at 2025-10-21 13:10:31, last login at 2025-10-28 20:58:17, currently offline.
School : 郑州航空工业管理学院
Solved 26 problems, RP: 66 (No. 1038)
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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.