yingkaihe
UID: 9504, Registered at 1 year ago, last login at 3 months ago, currently offline.
Solved 1 problems, RP: 7 (No. 7205)
- 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
- oppo
- 1