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Earned on 12 Jun 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 14 Jun 2012 for liking Solution 1627.
Earned on 18 Jul 2012 for commenting on Solution 115046.
Earned on 9 Jul 2012 for creating Problem 818. Change a specific color in an image.
Earned on 23 Sep 2014 for first solving Problem 2601. Concatenate string with cell array of strings.
Earned on 23 Jan 2014 for solving all the problems in CUP Challenge.
Earned on 5 Jul 2013 for submitting the best solution Solution 273761.
Must have 50 solvers for a problem you created.
Earned on 29 Jun 2013 for solving all the problems in Tiles Challenge.
Earned on 11 Oct 2014 for solving all the problems in ASEE Challenge.
Earned on 27 May 2016 for solving all the problems in Cody Challenge.
Earned on 7 Jul 2013 for creating 10 problems.
Earned on 25 Sep 2014 for solving 500 problems.
Earned on 3 Aug 2015 for solving all the problems in Modeling and Simulation Challenge.
Earned on 1 Apr 2016 for solving all the problems in Magic Numbers.
Must receive 25 total likes for the problems you created.
Must receive 50 total likes for the solutions you submitted.
Must receive 10 likes for a solution you submitted.
Must receive 10 likes for a problem you created.
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