#!/usr/bin/perl

use v5.12;
use warnings;

my @matrix = (["A1", "A2", "A3", "A4", "vw", "A5"],
              ["B1", "B2", "B3", "B4", "skoda", "B6"],
              ["C1", "C2", "C3", "C4", "scoda", "C6"],
              ["D1", "D2", "D3", "D4", "toyota", "D6"],
              ["E1", "E2", "E3", "E4", "ford", "E6"],
              ["F1", "F2", "F3", "F4", "renault", "F5"]
              );        


sub bubble_sort{my $spalte = shift; my $getauscht = 0; my $zaehler = 0;
        for my $j (0..$#matrix){
                for my $i (0..$#matrix-1){
                        if ($matrix[$i]->[$spalte] gt $matrix[$i+1]->[$spalte]){
                                ($matrix[$i], $matrix[$i+1]) = ($matrix[$i+1], $matrix[$i]);
                                $getauscht = 1; 
                                $zaehler++;
                        }
                }
        if (!$getauscht){last;}
        }
        say "\n\nSuch-Durchgaenge $zaehler";
}

say "Vor dem Sortieren";
for my $i (0..5){
        say "$matrix[$i]->[0] > $matrix[$i]->[4]";
}

bubble_sort(4); # "4" weil die Matrix nach der Spalte 4 sortiert werden soll


say "\n\nNach dem Sortieren";
for (my $i=0; $i<=5; $i++){
        say "$matrix[$i]->[0] > $matrix[$i]->[4]";
}
print "\n\n";