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LaTrobe University, Melbourne, Australia
Earned on 19 Nov 2012 for creating Problem 1038. Change the sign of even index entries of the r....
Solve all the problems in Tiles Challenge problem group.
Solve all the problems in Cody Challenge problem group.
Solve all the problems in ASEE Challenge problem group.
Earned on 14 May 2013 for creating 10 problems.
Earned on 10 Jan 2014 for solving 500 problems.
Must receive 10 likes for a solution you submitted.
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 problem you created.