Ron Xue
@rxlfd314
Australia, Melbourne
Joined Oct 2021
World Rank: #12270 (2.8 points)
Institution: Secondary school
Activity over the last year
Effectiveness
- Problems solved
- 23
- Solutions submitted
- 72
Australia, Melbourne
Joined Oct 2021
World Rank: #12270 (2.8 points)
Institution: Secondary school