barnes
UID: 1139, Registered at 2 years ago, last login at 2 years ago, currently offline.
Solved 1 problems, RP: 5.5 (No. 7587)
- 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
- 阿里系
- 1