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Matlab, Chess, VTT (in this order)
Earned on 19 Jul 2012 for creating Problem 844. Find files with extension ext in the current di....
Earned on 24 Apr 2014 for first solving .
Earned on 4 Dec 2012 for creating 10 problems.
Earned on 5 Oct 2012 for solving 500 problems.
Must receive 50 total likes for the solutions you submitted.
Must receive 10 likes for a solution you submitted.
Must receive 25 total likes for the problems you created.
Must receive 10 likes for a problem you created.