Accept 5 answers given by other contributors
Awarded to Sunu on 20 Jul 2017
Obtain 50 solvers for a problem you have created
Awarded to Sunu on 25 Apr 2012
Be the first to solve a problem
Awarded to Sunu on 06 Mar 2012
Create a problem
Solve a problem for the first time
Awarded to Sunu on 17 Feb 2012
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