Earned on 12 Jul 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 19 Jul 2012 for commenting on Solution 2447.
Earned on 19 Jul 2012 for liking Solution 115280.
Earned on 19 Jul 2012 for creating Problem 844. Find files with extension ext in the current di....
Earned on 24 Apr 2014 for first solving .
Earned on 13 Dec 2013 for solving all the problems in CUP Challenge.
Earned on 21 Jul 2012 for submitting the best solution Solution 116874.
Earned on 15 Apr 2016 for having 50 or more solvers for Problem 867. Replicate elements in vectors.
Earned on 23 Aug 2012 for solving all the problems in Tiles Challenge.
Earned on 8 Nov 2013 for solving all the problems in ASEE Challenge.
Earned on 3 Jun 2016 for solving all the problems in Cody Challenge.
Earned on 4 Dec 2012 for creating 10 problems.
Earned on 5 Oct 2012 for solving 500 problems.
Solve all the problems in Modeling and Simulation Challenge problem group.
Earned on 1 Jun 2015 for solving all the problems in Magic Numbers.
Earned on 2 Mar 2015 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.
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