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Earned on 10 Feb 2013 for solving Problem 1. Times 2 - START HERE.
Earned on 27 Feb 2014 for commenting on Solution 303070.
Earned on 26 Jan 2014 for liking Solution 340556.
Create a problem.
Solve a problem first.
Earned on 26 Jan 2014 for solving all the problems in CUP Challenge.
Solve a problem with a best solution.
Must have 50 solvers for a problem you created.
Solve all the problems in Tiles Challenge problem group.
Earned on 6 Jan 2015 for solving all the problems in ASEE Challenge.
Earned on 3 Mar 2014 for solving all the problems in Cody Challenge.
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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