UID: 2481, Registered at 2025-3-17 12:11:31, last login at 2026-9-17 15:22:40, currently offline.
School : 龙湾区第一小学
Solved 56 problems, RP: 139 (No. 758)
-
Bio
This person is lazy and didn't write anything. -
Recent Activities
This person is lazy and didn't join any contests or homework.