blakeembrey/code-problems — pull request #13 by YoussefKababe (2013-06-12 12:43:32+00:00)
Title: Function returning pair when for single values in the array

Check if the number is not single when k = number + number:
f(8, [2, 5, 4, 3]) returns: [3, 5] [4, 4] but number 4 is not in pair!