淡定的松果

UID: 50750, Registered at 2026-8-20 16:00:24, last login at 2026-9-3 12:44:44, last active at 2026-9-3 18:39:53.

Solved 3 problems, RP: 15 (No. 15612)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P3991
P4578
P5282
Recent Activities

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

模拟: 2