You don't need to sort the array to get the minimum and maximum values, a simple loop will do:
$ perl -le'
my @array = ( 99, 67, 0, -100, -38, 98 );
my ( $min, $max ) = @array;
for my $element ( @array ) {
$min = $element if $min > $element;
$max = $element if $max < $element;
}
print "Min = $min and Max = $max";
'
Min = -100 and Max = 99
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