UID: 3139, Registered at 2025-7-15 13:19:29, last login at 2026-1-11 17:53:00, currently offline.
School : 永康信奥小兵
Solved 10 problems, RP: 37 (No. 1232)
-
Bio
This person is lazy and didn't write anything. -
Recent Activities
This person is lazy and didn't join any contests or homework.