Here's pme's changes as the whole script. 
use strict;
use warnings;

sub Solve {
    my ( $goal, $elements ) = @_;
    my ( @results, $RecursiveSolve, $nextValue );
    $RecursiveSolve = sub {
        my ( $currentGoal, $included, $index ) = @_;
        for ( ; $index < @$elements ; ++$index ) {
            $nextValue = $elements->[$index];
            if ( $currentGoal > 2 * $nextValue ) {
                $RecursiveSolve->(
                    $currentGoal - $nextValue,
                    [ @$included, $nextValue ],
                    $index + 1
                );
            }
            else {
                if ( $currentGoal == $nextValue ) {
                    #print join( ',', @$included, $nextValue ), "\n";
                    push @results, [ @$included, $nextValue ];
                }
                return if $nextValue >= $currentGoal;
            }
        }
    };
    $RecursiveSolve->( $goal, [], 0 );
    undef $RecursiveSolve;    # Avoid memory leak from circular refere
+nce
    return @results;
}

my @results = Solve( 869,
    [ 15, 43, 51, 56, 60, 67, 122, 152, 193, 204, +229, 271, 293, 301 
+] );

foreach my $result (@results) {
    print join(',',@$result),"\n";
}

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In reply to Re^2: Perl ARRAY() result by kschwab
in thread Perl ARRAY() result by pvfki

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