I Promise

UID: 13147, Registered at 2024-10-25 16:12:58, last login at 2024-11-4 22:25:22, last active at 2024-11-11 23:59:33.

Solved 2 problems, RP: 2 (No. 6578)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P500
P502
Recent Activities

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

入门教程: 2