James Gray wrote:
> On Jan 25, 2008, at 10:55 AM, Warren Brown wrote:
> 
>>> with optimal being the least amount of coins involved.
>>
>>    Do you have a preference for breaking ties?  For example, which
>> would you prefer for make_change(21, [10, 7, 1]): [7, 7, 7] or [10,  
>> 10,
>> 1]?
> 
> No preference.  Either is a valid answer.
> 
> James Edward Gray II

I don't know...I hate pennies. IMHO, any answer that minimizes the 
number of pennies should win out.
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