which library has map reduce and how to use it for this case

[Michael Selik]

On Thu, Jun 9, 2016, 9:11 PM Ho Yeung Lee <davidbenny2000 at gmail.com> wrote:

> input are these six operators, output is finding full column of 27
> elements add together is 54
>
> i got memory error when searching this,
>
> i have difficulty in understanding map reduce and transforming my program
> into map reduce problem
>

Why do you think you need map-reduce?

You'll need to explain the problem in more detail. Instead of talking about
operators and columns, what is the actual, real-world problem?

>