LRD
UID: 544, Registered at 2022-11-7 12:55:05, last login at 2022-11-7 21:33:36, currently offline.
Solved 4 problems, RP: 24 (No. 644)
-
Bio
This person is lazy and didn't write anything. -
Recent Activities
This person is lazy and didn't join any contests or homework.