[OT] Retreating from Iraq

[Derek Parnell]

On Mon, 13 Oct 2008 14:24:14 -0500, Andrei Alexandrescu wrote:

> Suppose that a miracle happen and the decision is taken at the highest 
> level to retreat all of US military presence from Iraq. That will take a 
> while, but sending the orders quickly is a must.
> 
> For utmost certainty, all orders are to be sent via phone and down the 
> command chain, and only to direct subordinates. Each officer has a 
> variable number of subordinates. Initially the president calls his 
> immediate subordinates, who call their immediate subordinates, etc. Each 
> call can be assumed to take the same amount of time.
> 
> Devise an algorithm that ensures every foot soldier gets the news as 
> quickly as possible, show it is correct, and show it is fast.

But wouldn't this be broadcast on al Jazzera before the generals get the
"official" news?

-- 
Derek Parnell
Melbourne, Australia
skype: derek.j.parnell