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UID: 4141, Registered at 2023-7-23 13:39:52, last login at 2023-7-23 13:40:34, currently offline.

Solved 2 problems, RP: 9 (No. 4150)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1172
P1190
Recent Activities

This person is lazy and didn't join any contests or homework.

京东: 1
华为: 1