好吉好吉

UID: 1975, Registered at 2023-4-9 16:23:47, last login at 2023-4-14 20:38:54, currently offline.

Solved 1 problems, RP: 1.45 (No. 6918)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P500
Recent Activities

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

入门教程: 1