Denis Ivanov
@joestalker
Ukraine, Kyv
Joined Dec 2019
World Rank: #16265 (2 points)
Institution: dddd
Activity over the last year
Effectiveness
- Problems solved
- 20
- Solutions submitted
- 128
Ukraine, Kyv
Joined Dec 2019
World Rank: #16265 (2 points)
Institution: dddd