Earned on 15 Apr 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 17 Jul 2012 for liking Solution 113574.
Earned on 26 Jul 2012 for commenting on Solution 119090.
Earned on 1 Dec 2012 for creating Problem 1080. Guess Cipher.
Earned on 22 Aug 2012 for first solving Problem 918. Find the repeating decimal pattern!.
Solve all the problems in CUP Challenge problem group.
Earned on 5 Jul 2012 for submitting the best solution Solution 106721.
Earned on 17 Sep 2015 for having 50 or more solvers for Problem 1194. Replace multiples of 5 with NaN.
Earned on 28 Nov 2012 for solving all the problems in Tiles Challenge.
Earned on 22 Nov 2012 for solving all the problems in ASEE Challenge.
Solve all the problems in Cody Challenge problem group.
Earned on 17 Jan 2013 for creating 10 problems.
Earned on 28 Nov 2012 for solving 500 problems.
Solve all the problems in Modeling and Simulation Challenge problem group.
Solve all the problems in Magic Numbers problem group.
Must receive 25 total likes for the problems you created.
Earned on 12 Feb 2013 for receiving 50 total likes for solutions.
Solve all the problems in Indexing I problem group.
Must receive 10 likes for a solution you submitted.
Must receive 10 likes for a problem you created.
Solve all the problems in Indexing II problem group.
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