Earned on 28 Mar 2013 for solving Problem 1. Times 2 - START HERE.
Earned on 29 Mar 2013 for commenting on Solution 225187.
Earned on 5 Aug 2014 for liking Solution 414956.
Create a problem.
Earned on 6 May 2015 for first solving Problem 42298. Repeat The Components of Matrix.
Earned on 14 Aug 2014 for solving all the problems in CUP Challenge.
Earned on 14 May 2015 for submitting the best solution Solution 669946.
Must have 50 solvers for a problem you created.
Earned on 15 May 2015 for solving all the problems in Tiles Challenge.
Earned on 13 May 2015 for solving all the problems in ASEE Challenge.
Solve all the problems in Cody Challenge problem group.
Create 10 problems.
Earned on 20 Jan 2015 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.
Must receive 10 likes for a solution you submitted.
Must receive 10 likes for a problem you created.
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