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Earned on 29 Apr 2012 for commenting on Problem 73. Replace NaNs with the number that appears to its....
Earned on 19 Apr 2014 for first solving .
Earned on 19 Apr 2014 for submitting the best solution .
Solve all the problems in ASEE Challenge problem group.
Earned on 11 May 2012 for creating 10 problems.
Earned on 10 Jul 2012 for solving 500 problems.
Must receive 50 total likes for the solutions you submitted.
Must receive 10 likes for a solution you submitted.
Earned on 6 Feb 2013 for receiving 25 total likes for the created problems.
Must receive 10 likes for a problem you created.