20210616

UID: 829, Registered at 2022-7-11 16:33:01, last login at 2022-9-12 19:51:57, currently offline.

Solved 3 problems, RP: 9 (No. 4027)

Bio

This person is lazy and didn't write anything.
Accepted Problems
65
72
Recent Activities

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

入门题: 2