Richard Lau
@richardlau08
China, Hengshui
Joined Oct 2021
World Rank: #6858 (5.2 points)
Institution: Hengshui High School Experimental Campus
Activity over the last year
Effectiveness
- Problems solved
- 46
- Solutions submitted
- 172
China, Hengshui
Joined Oct 2021
World Rank: #6858 (5.2 points)
Institution: Hengshui High School Experimental Campus