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Earned on 11 Dec 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 21 Dec 2012 for commenting on Solution 179881.
Earned on 7 Jan 2013 for liking Solution 186464.
Create a problem.
Earned on 4 Jan 2013 for first solving Problem 1168. Return 'on' or 'off'.
Solve all the problems in CUP Challenge problem group.
Earned on 9 Jan 2013 for submitting the best solution Solution 188357.
Must have 50 solvers for a problem you created.
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.
Create 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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