From: Matthew Moss <matthew.moss@...>
Date: 2008-09-23T06:07:22+09:00
Subject: Re: One-Liners Mashup (#177 again)

Too many solvers not providing additional problems!

Here's another... Assuming you have an array of numeric data, write a
method that returns an array of progressive sums. That is:

    prog_sum( [1, 5, 13, -6, 20] ) =>  [1, 6, 19, 13, 33]