南山一日闲
UID: 27706, Registered at 2026-1-20 10:37:01, last login at 2026-4-15 10:10:19, currently offline.
Solved 1 problems, RP: 16.2 (No. 11342)
-
Bio
GO go go
-
Accepted Problems
-
Recent Activities
This person is lazy and didn't join any contests or homework.