[chbot] Choc Fish Challenge #5

[Paul Davey]

On Sun, Sep 4, 2011 at 7:48 PM, Synco Reynders <synco.reynders at gmail.com> wrote:
> As I was pulling through some wires today I remembered this classic challenge...
>
> A 120 wire cable has been laid firmly underground between two
> telephone exchanges located 1km apart.
> After the cable was laid it was discovered the individual wires are
> not labeled. There is no visual way of knowing which wire is which and
> thus connections at either end is not immediately possible.
> As trainee technician your boss has asked you to sort it out and
> identify / label the wires at both ends. You only have a battery and
> light bulb to test continuity and tape/pen for labeling the wires.
>
> What is the shortest distance in kilometers you will need to walk to
> correctly identify and label each wire?

0km between the exchanges, you don't need to walk.
You could drive or use other means of transport.
You cannot tell how far you need to walk when not travelling between
the exchanges so that cannot be answered.

Paul