Here's my attempt at a one-pass solution: http://productivedetour.blogspot.com.es/2013/11/my-version-of-twitter-waterflow-problem.html http://productivedetour.

Here's my attempt at a one-pass solution: http://productivedetour.blogspot.com.es/2013/11/my-version-of-twitter-waterflow-problem.html http://productivedetour.blogspot.com.es/2013/11/my-version-o...