只管冲
UID: 1197, Registered at 2023-3-22 10:53:21, last login at 2023-9-21 13:39:58, currently offline.
Solved 29 problems, RP: 141.14 (No. 1717)
-
Bio
This person is lazy and didn't write anything. -
Recent Activities
This person is lazy and didn't join any contests or homework.