duyiheng666

UID: 2479, Registered at 2023-9-15 21:06:53, last login at 2024-6-9 18:36:15, currently offline.

Solved 3 problems, RP: 15 (No. 1672)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1
P2
P4
Recent Activities

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