YYYYs

UID: 16642, Registered at 2025-4-7 20:21:51, last login at 2026-3-18 10:53:22, currently offline.

Solved 4 problems, RP: 9 (No. 15120)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4000
P3990
P3991
P3992
Recent Activities

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