touch

UID: 2931, Registered at 2023-4-23 20:09:38, last login at 2023-9-2 9:33:35, currently offline.

Solved 2 problems, RP: 10.8 (No. 3977)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1286
P1287
Recent Activities

This person is lazy and didn't join any contests or homework.

美团: 2