Earned on 28 Mar 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 31 Jul 2013 for liking .
Earned on 4 Apr 2012 for commenting on Solution 71107.
Earned on 19 Jun 2012 for creating Problem 776. TRON strategy toggle.
Earned on 24 Jun 2014 for first solving Problem 776. TRON strategy toggle.
Earned on 5 Aug 2014 for solving all the problems in CUP Challenge.
Earned on 10 Dec 2012 for submitting the best solution Solution 175535.
Earned on 19 Apr 2016 for having 50 or more solvers for Problem 798. Rotate input square matrix 90 degrees CCW witho....
Earned on 16 Nov 2012 for solving all the problems in Tiles Challenge.
Earned on 1 Feb 2013 for solving all the problems in ASEE Challenge.
Earned on 14 Mar 2013 for solving all the problems in Cody Challenge.
Create 10 problems.
Earned on 6 Feb 2013 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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