我的刀盾

UID: 3748, Registered at 2026-7-5 11:15:50, last login at 2026-7-12 10:58:47, last active at 2026-7-23 18:02:41.

Solved 3 problems, RP: 16 (No. 1942)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P86
P88
P91
Recent Activities

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