kaloqn elenkov
@koko_0301
Bulgaria, sofia
Joined Oct 2019
World Rank: #31999 (0.8 points)
Institution: olimpiici
Activity over the last year
Effectiveness
- Problems solved
- 25
- Solutions submitted
- 133
Bulgaria, sofia
Joined Oct 2019
World Rank: #31999 (0.8 points)
Institution: olimpiici