As Perl uses quicksort as its sorting algorithm, and that sorting algorithm swaps elements across large distances,
Oh, please, ditch your 5.6, and enter the 21st century. ;-).

As of 5.8, Perl uses an implementation of mergesort as its default sorting algorithm.

In reply to Re^2: sort function and parity of the permutation. by JavaFan
in thread sort function and parity of the permutation. by latejita

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