Maciej Dronka
@dron_21
Poland, Sosnowiec
Joined May 2021
World Rank: #63325 (0.2 points)
Institution: Warsaw University
Activity over the last year
Effectiveness
- Problems solved
- 20
- Solutions submitted
- 66
Poland, Sosnowiec
Joined May 2021
World Rank: #63325 (0.2 points)
Institution: Warsaw University