执着的沙丘

UID: 51707, Registered at 2026-8-26 17:41:09, last login at 2026-8-26 17:53:20, last active at 2026-9-1 22:57:07.

Solved 2 problems, RP: 2 (No. 24326)

Bio

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

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