诚恳的金鱼

UID: 50697, Registered at 2026-8-20 11:05:49, last login at 2026-9-18 14:04:12, last active at 2026-9-24 18:44:53.

Solved 2 problems, RP: 4 (No. 24539)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4000
P4003
Recent Activities

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