Earned on 30 Jan 2012 for solving Problem 2. Make the vector [1 2 3 4 5 6 7 8 9 10].
Earned on 1 Feb 2012 for commenting on Solution 14529.
Earned on 31 May 2012 for liking Solution 29064.
Earned on 23 May 2012 for creating Problem 713. Find the maximum number of decimal places in a ....
Earned on 12 Jan 2015 for first solving Problem 649. Return the first and last character of a string.
Solve all the problems in CUP Challenge problem group.
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.
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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