lkk1

UID: 5973, Registered at 2023-9-14 12:44:27, last login at 2023-9-16 20:54:29, currently offline.

Solved 1 problems, RP: 7 (No. 4742)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1447
Recent Activities

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

京东: 1