Hongrui Lai
@fly_lai
China, ShenZhen
Joined Dec 2022
World Rank: #10360 (3.4 points)
Institution: Shenzhen middle school
Activity over the last year
Effectiveness
- Problems solved
- 20
- Solutions submitted
- 46
China, ShenZhen
Joined Dec 2022
World Rank: #10360 (3.4 points)
Institution: Shenzhen middle school