Earned on 28 Dec 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 1 Jan 2013 for liking Problem 149. Is my wife right?.
Earned on 6 Jan 2013 for commenting on Solution 187060.
Create a problem.
Earned on 14 Dec 2014 for first solving Problem 2773. Find the distance between runs.
Earned on 7 Dec 2014 for solving all the problems in CUP Challenge.
Solve a problem with a best solution.
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.
Earned on 17 Apr 2016 for solving all the problems in Cody Challenge.
Create 10 problems.
Solve 500 problems.
Earned on 18 Apr 2016 for solving all the problems in Modeling & Simulation Challenge.
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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