Earned on 11 Sep 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 11 Sep 2012 for commenting on Solution 138106.
Earned on 26 Nov 2012 for liking Solution 168057.
Earned on 13 Sep 2012 for creating Problem 944. Create incremental spiral WITHOUT USING EVAL or....
Earned on 6 Jan 2015 for first solving Problem 988. Convert a substructure reference string into a ....
Earned on 24 Feb 2014 for solving all the problems in CUP Challenge.
Earned on 6 Jan 2015 for submitting the best solution Solution 165399.
Earned on 23 Aug 2016 for having 50 or more solvers for Problem 1168. Return 'on' or 'off'.
Solve all the problems in Tiles Challenge problem group.
Solve all the problems in ASEE Challenge problem group.
Solve all the problems in Cody Challenge problem group.
Earned on 25 Oct 2013 for creating 10 problems.
Solve 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.
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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