umbrellalalalala

UID: 2705, Registered at 2023-4-19 22:26:51, last login at 2023-4-20 12:19:11, currently offline.

Solved 1 problems, RP: 8 (No. 4337)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1196
Recent Activities

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

华为: 1