Earned on 3 Sep 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 9 Oct 2012 for liking Solution 127190.
Earned on 26 Sep 2014 for commenting on Solution 505336.
Create a problem.
Solve a problem first.
Earned on 28 Mar 2014 for solving all the problems in CUP Challenge.
Earned on 4 Dec 2012 for submitting the best solution Solution 128371.
Must have 50 solvers for a problem you created.
Earned on 29 Aug 2013 for solving all the problems in Tiles Challenge.
Earned on 9 Sep 2014 for solving all the problems in ASEE Challenge.
Earned on 29 Aug 2013 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.
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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