Invisible <voi### [at] dev null> wrote:
> That doesn't *sound* very impressive... until you sit down and try to
> think of a way to program such a thing yourself. How would you do that??
Not all roads have the same weight. Some of them are marked as being
more desirable than others. After that it's just a question of running
an algorithm like http://en.wikipedia.org/wiki/Dijkstra's_algorithm
--
- Warp
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