ljs2013

UID: 3543, Registered at 2026-2-1 10:24:50, last login at 2026-2-21 10:02:00, currently offline.

Solved 2 problems, RP: 10 (No. 2056)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P19
P20
Recent Activities

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