余弦

UID: 5470, Registered at 2023-8-29 11:34:01, last login at 2023-8-29 11:34:36, currently offline.

Solved 1 problems, RP: 5.4 (No. 5267)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1326
Recent Activities

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

HWOD-2023B: 1