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Earned on 22 Jun 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 23 Jun 2012 for liking Solution 62102.
Earned on 22 Jun 2012 for commenting on Solution 60410.
Earned on 27 Jun 2012 for creating Problem 795. Joining Ranges.
Earned on 27 Jun 2012 for first solving Problem 796. Removing rows from a matrix is easy - but what ....
Solve all the problems in CUP Challenge problem group.
Earned on 27 Jun 2012 for submitting the best solution Solution 103340.
Must have 50 solvers for a problem you created.
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.
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.
Earned on 13 Sep 2013 for receiving 50 total likes for solutions.
Earned on 23 Jun 2013 for Solution 103344 for having 10 or more likes.
Must receive 10 likes for a problem you created.
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