Obtain 50 solvers for a problem you have created
Awarded to Inigo San Aniceto on 16 May 2021
Be the first to solve a problem
Awarded to Inigo San Aniceto on 18 Feb 2014
Create a problem
Awarded to Inigo San Aniceto on 18 Feb 2014
Solve all the problems in CUP Challenge
Awarded to Inigo San Aniceto on 12 Feb 2014
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Awarded to Inigo San Aniceto on 12 Feb 2014
Like a problem or solution
Awarded to Inigo San Aniceto on 12 Feb 2014
Solve a problem for the first time
Awarded to Inigo San Aniceto on 06 Feb 2014
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