Earned on 25 Jan 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 26 Jan 2012 for commenting on Solution 6689.
Earned on 31 Jul 2013 for liking .
Earned on 31 Jan 2012 for creating Problem 193. Smallest distance between a point and a rectang....
Earned on 7 May 2014 for first solving .
Earned on 2 Dec 2013 for solving all the problems in CUP Challenge.
Earned on 12 Feb 2016 for submitting the best solution Solution 825103.
Earned on 6 Oct 2016 at 18:18 for having 50 or more solvers for Problem 205. Hackathon: the beginnings.
Earned on 24 Dec 2012 for solving all the problems in Tiles Challenge.
Earned on 23 Dec 2012 for solving all the problems in ASEE Challenge.
Earned on 14 Mar 2013 for solving all the problems in Cody Challenge.
Earned on 20 Feb 2012 for creating 10 problems.
Earned on 26 Dec 2012 for solving 500 problems.
Earned on 31 Jul 2015 for solving all the problems in Modeling & Simulation Challenge.
Earned on 19 Jan 2015 for solving all the problems in Magic Numbers.
Earned on 5 Aug 2013 for receiving 25 total likes for the created problems.
Earned on 15 Jan 2013 for receiving 50 total likes for solutions.
Earned on 10 Jun 2014 for Solution 12422 for having 10 or more likes.
Earned on 16 Aug 2013 for Problem 1774. Free passes for everyone! for having 10 or more likes.
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