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#!/usr/bin/env perl
use strict;
use warnings;
use experimental qw{ fc say postderef signatures state };
my @examples = (
[ 2, 1, 3, 4, 5 ],
[ 3, 2, 4 ],
[ 5, 4, 3, 8 ],
);
for my $example (@examples) {
my @output = distribute_elements( $example->@* );
my $output = join ', ', @output;
my $ints = join ', ', $example->@*;
say <<"END";
Input: \@ints = ($ints)
Output: ($output)
END
}
sub distribute_elements (@ints) {
my @arr1;
my @arr2;
push @arr1, shift @ints;
push @arr2, shift @ints;
while ( @ints ) {
my $i = shift @ints;
if ( $arr1[-1] > $arr2[-1]) {
push @arr1, $i;
} else {
push @arr2, $i;
}
}
return @arr1,@arr2;
}
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