Earned on 17 Dec 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 9 Jan 2013 for liking Problem 167. Pizza!.
Comment on a problem or solution.
Create a problem.
Earned on 28 Dec 2012 for first solving Problem 1146. Calculate Alcohol By Volume with Original and ....
Solve all the problems in CUP Challenge problem group.
Earned on 9 Jan 2013 for submitting the best solution Solution 188718.
Must have 50 solvers for a problem you created.
Earned on 11 Jan 2013 for solving all the problems in Tiles Challenge.
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.
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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