晴天123123
UID: 11248, Registered at 10 months ago, last login at 10 months ago, currently offline.
Solved 1 problems, RP: 9 (No. 6615)
- 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