淡定的松果

UID: 50750, Registered at 2026-8-20 16:00:24, last login at 2026-9-30 17:21:04, currently offline.

Solved 3 problems, RP: 16.5 (No. 17278)

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