Here's a -10... 

sub get_neg_10_outta_these {
    my $n = shift;
    my $sum; 
    $sum += $n - $_  for (@_);
    return $sum; 
}

my @nums = (2, 4, 5, 7); 
print get_neg_10_outta_these(@nums),"\n";

[download]
-sauoq
"My two cents aren't worth a dime.";

In reply to Re^3: Finding Sum of Consecutive Numerical Difference in Set of Numbers by sauoq
in thread Finding Sum of Consecutive Numerical Difference in Set of Numbers by Anonymous Monk

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