Re^2: Divide an array into 2 subsets to verify their sum is equal or not.

A couple of questions:

Why pass in a reference if the first thing you are going to do is copy the reference array to a local array?
```
sub check_arrays {
     my @full_array = @{shift()};
[download]
```
Why make a local copy of the array at all, when all the uses (join, sum, sort) of it require you to pass a list?
Ie. Why not my $sum = sum @$ref; etc.
Isn't re-summing your partial array over and over wildly inefficient?

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Re^3: Divide an array into 2 subsets to verify their sum is equal or not. by kcott (Archbishop) on May 02, 2013 at 21:19 UTC
++ Thanks. All your points are perfectly valid. There were other issues as well. I've substantially rewritten the solution. -- Ken	[reply]