Earned on 26 Feb 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 2 May 2012 for commenting on Problem 446. Solve the set of simultaneous linear equations .
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Earned on 19 Dec 2014 for first solving Problem 2762. Concatenating strings.
Solve all the problems in CUP Challenge problem group.
Earned on 25 Dec 2013 for submitting the best solution Solution 374905.
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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