小马过河
UID: 2930, Registered at 2 years ago, last login at 1 year ago, currently offline.
Solved 1 problems, RP: 7.4 (No. 6923)
- 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
- 京东
- 1