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Trucks in the desert...

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You have 50 trucks, each has a full tank of gas, a full tank can get a truck to a distance of exactly 100km and that is the maximum that it can hold at any given time.

You have the ability to transfer fuel from one truck to another, what is the maximum distance you can reach?

Edited by Anza Power
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With 2 trucks, you go 50km, fill up and then go 100km more


With three, you go 33km, fill up the other two, go 50km, fill up the last one and go 100km more
With 4 trucks, you go 25km, fill up the other three, go 33km... you get the picture...

The answer is 100+50+33+25+...+1

or this: 100H_50
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