Coding challenge

Robert Sneidar slylabs13 at
Thu Jan 31 13:10:35 EST 2013

OIC now. 3 & 3 is the best answer but  the algorithm produces 4 + 1 + 1. Well I think the issue here is that currency is never (or almost never) designed this way. No one would make a 3 dollar bill coincidentally with a 4 dollar bill. There would be no practical reason to. 

And yet I remember for a time the USA produced a one dollar bill and a two dollar bill. So never say never! :-)

It seems that when creating currency values, one of the overriding principles OUGHT to be that each smaller value ought to divide evenly into all the larger values. I'm sure this is what was intended with American currency when it was first created in it's present form. Otherwise making change becomes rather tedious. 


On Jan 30, 2013, at 9:56 PM, Paul D. DeRocco wrote:

>> From: Mark Wieder
>>> Now how would you do it if the available coin values were:
>>>        40,30,10,4,3,1
>>> That's a more interesting problem, but probably a less 
>>> interesting coding
>>> test, because I think it would involve a more brute force 
>>> approach, less
>>> elegance.
>> I'm missing something. Why would that be different?
> How would you represent 6?
> -- 
> Ciao,               Paul D. DeRocco
> Paul                mailto:pderocco at 
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