压力小子
UID: 1977, Registered at 2023-4-9 17:07:51, last login at 2023-4-20 22:28:38, currently offline.
Solved 18 problems, RP: 98 (No. 2398)
-
Bio
世上无难事，只要肯放弃
-
Recent Activities
This person is lazy and didn't join any contests or homework.