Receive 25 likes on a problem you have created
Awarded to Marek Kuklis on 21 Oct 2020
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Awarded to Marek Kuklis on 21 Apr 2020
Obtain 50 solvers for a problem you have created
Awarded to Marek Kuklis on 16 Sep 2013
Create 10 problems
Awarded to Marek Kuklis on 06 Jun 2013
Solve a problem with a best solution
Awarded to Marek Kuklis on 06 Jun 2013
Be the first to solve a problem
Awarded to Marek Kuklis on 03 Jun 2013
Create a problem
Awarded to Marek Kuklis on 03 Jun 2013
Comment on a problem or solution
Awarded to Marek Kuklis on 28 May 2013
Like a problem or solution
Awarded to Marek Kuklis on 28 May 2013
Solve a problem for the first time
Awarded to Marek Kuklis on 28 May 2013
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