Challenge #369: Formula 1 Grand Prix (In)efficiency

[asultanov]

Spoiler

Oh geez I just realized I left in some completely arbitrary steps... this is better.

[AGilbert]

That's a tough one and I mixed up Australia. Learned a lot about controlling the exit of records w/o a t/f test and debugging an iterative macro. 

[Jean-Balteryx]

Here is my solution !