Earned on 29 Sep 2012 for solving Problem 1. Times 2 - START HERE.
Earned on 23 Nov 2012 for commenting on Solution 167116.
Earned on 23 Nov 2012 for liking Problem 195. Program an exclusive OR operation with logical ....
Earned on 23 Nov 2012 for creating Problem 1050. Basics: 'Find the eigenvalues of given matrix.
Earned on 23 Nov 2012 for first solving Problem 1050. Basics: 'Find the eigenvalues of given matrix.
Earned on 5 Aug 2014 for solving all the problems in CUP Challenge.
Earned on 25 Mar 2013 for submitting the best solution Solution 222849.
Earned on 9 Jan 2016 for having 50 or more solvers for Problem 1321. Given a 4x4 matrix, swap the two middle colum....
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 23 Mar 2013 for creating 10 problems.
Earned on 29 Dec 2014 for solving 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.
Earned on 14 Dec 2014 for receiving 50 total likes for solutions.
Must receive 10 likes for a solution you submitted.
Must receive 10 likes for a problem you created.
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