Arist Kozhevnikov

Comment on a problem or solution

Awarded to Arist Kozhevnikov on 14 Sep 2016

Solve a problem for the first time

Awarded to Arist Kozhevnikov on 14 Sep 2016

Solve a problem with a best solution

Awarded to Arist Kozhevnikov on 16 Sep 2016

Be the first to solve a problem

Awarded to Arist Kozhevnikov on 20 Sep 2016

Create a problem

Awarded to Arist Kozhevnikov on 20 Sep 2016

Like a problem or solution

Awarded to Arist Kozhevnikov on 23 Jun 2023