Earned on 23 Jun 2013 for solving Problem 1. Times 2 - START HERE.
Earned on 27 Jun 2013 for commenting on Problem 149. Is my wife right?.
Earned on 27 Jun 2013 for liking Problem 149. Is my wife right?.
Earned on 26 Jun 2013 for creating Problem 1678. Count consecutive 0's in between values of 1.
Earned on 16 May 2014 for first solving Problem 1713. Can you beat the lottery?.
Solve all the problems in CUP Challenge problem group.
Solve a problem with a best solution.
Earned on 5 Aug 2016 for having 50 or more solvers for Problem 1681. Do you like your boss?.
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 18 Jul 2013 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.
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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