余弦
UID: 5470, Registered at 1 year ago, last login at 1 year ago, currently offline.
Solved 1 problems, RP: 5.4 (No. 7163)
- Bio
- Accepted Problems
- Recent Activities
This person is lazy and didn't write anything.
This person is lazy and didn't join any contests or homework.
Problem Tags
- HWOD-2023B
- 1