Lennart Jansson
@zhanrnl
United States
Joined Mar 2012
World Rank: #79666 (0.1 points)
Institution: Stanford University
Activity over the last year
Effectiveness
- Problems solved
- 27
- Solutions submitted
- 84
United States
Joined Mar 2012
World Rank: #79666 (0.1 points)
Institution: Stanford University