Roberto

Like a problem or solution

Awarded to Roberto on 08 Mar 2016

Comment on a problem or solution

Awarded to Roberto on 05 Mar 2016

Solve a problem for the first time

Awarded to Roberto on 01 Mar 2016

Be the first to solve a problem

Awarded to Roberto on 05 Mar 2016

Create a problem

Awarded to Roberto on 05 Mar 2016

Obtain 50 solvers for a problem you have created

Awarded to Roberto on 17 Dec 2024