View profile information
Earned on 4 Apr 2012 for solving Problem 470. Scoring for oriented dominoes.
Earned on 18 Mar 2013 for commenting on Problem 1356. Equal to their cube .
Earned on 15 Jan 2013 for liking Problem 24. Function Iterator.
Earned on 13 Mar 2013 for creating Problem 1341. Track Logic.
Earned on 1 Apr 2013 for first solving Problem 1406. Generate a NaN...on purpose.
Earned on 2 May 2014 for solving all the problems in CUP Challenge.
Earned on 11 Jul 2013 for submitting the best solution Solution 278571.
Earned on 12 Sep 2015 for having 50 or more solvers for Problem 1406. Generate a NaN...on purpose.
Earned on 12 Apr 2012 for solving all the problems in Tiles Challenge.
Earned on 11 Mar 2015 for solving all the problems in ASEE Challenge.
Earned on 28 Jun 2016 for solving all the problems in Cody Challenge.
Create 10 problems.
Earned on 19 Mar 2015 for solving 500 problems.
Earned on 6 Apr 2016 for solving all the problems in Modeling and 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.
Must receive 10 likes for a solution you submitted.
Must receive 10 likes for a problem you created.
Choose your country to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a location from the following list:
See all countries