Earned on 22 May 2014 for solving Problem 198. Are you in or are you out?.
Earned on 26 Jan 2012 for commenting on Problem 92. Find state names that start with the letter N.
Earned on 15 Nov 2012 for liking .
Earned on 26 Jan 2012 for creating Problem 112. Remove the air bubbles.
Earned on 22 May 2014 for first solving Problem 495. Formatting currency numbers.
Solve all the problems in CUP Challenge problem group.
Solve a problem with a best solution.
Earned on 7 Dec 2015 for having 50 or more solvers for Problem 112. Remove the air bubbles.
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.
Earned on 21 Mar 2012 for creating 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.
Earned on 25 Apr 2013 for receiving 25 total likes for the created problems.
Must receive 50 total likes for the solutions you submitted.
Must receive 10 likes for a solution you submitted.
Earned on 12 Aug 2015 for Problem 660. Find a subset that divides the vector into equa... for having 10 or more likes.
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