Earned on 5 Dec 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 24 Dec 2012 for commenting on Solution 166158.
Earned on 14 Mar 2013 for liking Problem 141. Solve the Sudoku Row.
Create a problem.
Earned on 2 May 2013 for first solving Problem 1451. Symmetry of vector.
Solve all the problems in CUP Challenge problem group.
Earned on 6 Jun 2013 for submitting the best solution Solution 256200.
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.
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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