Algorithm to determine the minimal set of coins you should carry to always make exact change [closed

Posted by ??iu on Stack Overflow See other posts from Stack Overflow or by ??iu
Published on 2010-05-25T01:24:26Z Indexed on 2010/05/25 1:41 UTC
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optimization

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math

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interview-questions

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sets

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life-hacks

US coin values:

.01, .05, .10, .25 (*)

What is an algorithm to determine what configuration(s) of US coins can be used to match every value from .01-.99 using the fewest coins possible?

* note: there is actually a .50 coin but it is very rarely seen

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