Ivan Smilenov
@vankata
Bulgaria, Shumen
Joined Jul 2018
World Rank: #11589 (3 points)
Institution: School A&B
Activity over the last year
Effectiveness
- Problems solved
- 15
- Solutions submitted
- 154
Bulgaria, Shumen
Joined Jul 2018
World Rank: #11589 (3 points)
Institution: School A&B