Earned on 27 Jan 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 11 Feb 2012 for liking Solution 9639.
Earned on 6 Oct 2012 for commenting on Solution 145111.
Create a problem.
Earned on 10 Mar 2013 for first solving Problem 1338. Binary Coder.
Solve all the problems in CUP Challenge problem group.
Earned on 25 Aug 2012 for submitting the best solution Solution 130908.
Must have 50 solvers for a problem you created.
Earned on 16 Nov 2012 for solving all the problems in Tiles Challenge.
Earned on 22 Nov 2012 for solving all the problems in ASEE Challenge.
Earned on 28 Jul 2013 for solving all the problems in Cody Challenge.
Create 10 problems.
Solve 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.
Earned on 29 Dec 2013 for Solution 9639 for having 10 or more likes.
Must receive 10 likes for a problem you created.
Solve all the problems in Indexing II problem group.
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