[OT] Retreating from Iraq AT THE SAME TIME

[Andrei Alexandrescu]

Nick Sabalausky wrote:
> "Andrei Alexandrescu" <SeeWebsiteForEmail at erdani.org> wrote in message 
> news:gd6ifg$8g3$3 at digitalmars.com...
>> Let's reconsider the problem of retreating from Iraq, with a twist.
>> Grace to new technology, teleconferencing is now possible. All direct
>> subordinates of any officer can be called SIMULTANEOUSLY. So there is no
>> more need for one officer to call each subordinate in sequence; he or she 
>> will call them all at once. Cool!
>>
>> However, now the demands also increased. Your task, should you yadda
>> yadda, is to devise a schedule for teleconferenced such that EVERY rank
>> and file soldier finds the news at EXACTLY the same time. That means you
>> must insert some delays in the system. However, you should insert as few
>> delays as possible, and also to ensure there is minimal global delay
>> from the moment the President picks up the phone to the moment soldiers
>> get the news.
>>
>> Be warned: this is quite a different problem than the previous one in
>> spite of the similarities. You may want to start from scratch instead of
>> adapting an algorithm suitable for the previous problem.
>>
> 
> Can a subordinate initiate a call to a superior? 

No, but the hierarchy is known in advance.

Andrei