yi feianyi
@yifeianyi
China, zhuhai
Joined Jul 2025
World Rank: #27817 (1 points)
Institution: nothing
Activity over the last year
Effectiveness
- Problems solved
- 1
- Solutions submitted
- 27
Problems
List of solved classical problems:
TAP2016E |
China, zhuhai
Joined Jul 2025
World Rank: #27817 (1 points)
Institution: nothing
TAP2016E |