C20250182
UID: 631, Registered at 2023-4-23 1:53:51, last login at 2025-10-29 14:22:42, currently offline.
Solved 104 problems, RP: 189.25 (No. 201)
-
Bio
包的呀老弟
-
Recent Activities
This person is lazy and didn't join any contests or homework.