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#!/usr/bin/env perl
use strict;
use warnings;
use experimental qw{ bitwise fc postderef say signatures state };
my @examples = (
[ 1, 2, 3, 4, 5, ],
[ 2, 3, 8, 16, ],
[ 1, 2, 5, 7, 9, ],
);
for my $example (@examples) {
my $output = bitwise_or_fun(@$example);
$output = $output ? 'true' : 'false';
my $array = join ', ', $example->@*;
say <<"END";
Input: \@array = ($array)
Output: $output
END
}
sub bitwise_or_fun (@array) {
my @copy = @array;
for my $i ( 0 .. -1 + scalar @array ) {
for my $j ( $i + 1 .. -1 + scalar @array ) {
my $x = $array[$i];
my $y = $array[$j];
my $z = $x | $y;
return 1 if $z % 2 == 0;
}
}
return 0;
}
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