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Carnegie Mellon University
Earned on 23 Sep 2014 for first solving Problem 2601. Concatenate string with cell array of strings.
Must have 50 solvers for a problem you created.
Earned on 7 Jul 2013 for creating 10 problems.
Earned on 25 Sep 2014 for solving 500 problems.
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.