潜龙在渊

UID: 24868, Registered at 2025-10-12 20:43:36, last login at 2026-4-3 14:46:34, currently offline.

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

♂

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4003
P3990
P3991
P3992
Recent Activities

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