Earned on 3 Feb 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 19 Nov 2012 for liking Solution 33008.
Earned on 23 Feb 2012 for commenting on Solution 49074.
Earned on 19 Nov 2012 for creating Problem 1038. Change the sign of even index entries of the r....
Earned on 7 Jan 2013 for first solving Problem 1183. Polynomial division.
Earned on 3 Jul 2014 for solving all the problems in CUP Challenge.
Earned on 7 Mar 2012 for submitting the best solution Solution 57648.
Earned on 19 Feb 2016 for having 50 or more solvers for Problem 1193. Insert zeros into vector.
Solve all the problems in Tiles Challenge problem group.
Solve all the problems in ASEE Challenge problem group.
Solve all the problems in Cody Challenge problem group.
Earned on 14 May 2013 for creating 10 problems.
Earned on 10 Jan 2014 for solving 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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