You could exploit the fact that you're sorting numbers and get a better time complexity: http://en.wikipedia.org/wiki/Radix_sort http://en.wikipedia.org/wiki/R

You could exploit the fact that you're sorting numbers and get a better time complexity: http://en.wikipedia.org/wiki/Radix_sort http://en.wikipedia.org/wiki/Radix_sort http://en.wikipedia.org/wiki/Bucket_sort http://en.wikipedia.org/wiki/Bucket_sort