ysq
UID: 364, Registered at 2025-9-12 18:31:12, last login at 2025-9-12 18:31:12, currently offline.
Solved 1 problems, RP: 5 (No. 329)
-
Bio
This person is lazy and didn't write anything. -
Accepted Problems
-
Recent Activities
This person is lazy and didn't join any contests or homework.