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
Read the original article Hit count: 230

Filed under:

optimization

|

math

|

interview-questions

|

sets

|

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

© Stack Overflow or respective owner

Related posts about optimization

Search Engine Optimization - The Importance of Page Optimization in Search Engine Optimization

as seen on Ezine Articles - Search for 'Ezine Articles'
In order for your website to rank well, your internal linking structure is critical to your success. This is covered some of the theory for this in various articles and blogs about Page Structure of a website, which said how you should map out the physical linking structure, but in this guide I will… >>> More
SEO Optimization - How to Master the SEO Optimization Process in Four Easy Steps

as seen on Ezine Articles - Search for 'Ezine Articles'
Search engine optimization is a critical part of any internet marketing campaign but can often be intimidating to new marketers. In this article you will learn the 4 basic components of SEO. >>> More
Keywords Optimization For Website Optimization

as seen on Ezine Articles - Search for 'Ezine Articles'
Saying that you need to do website optimization sounds like saying you need to get healthy. To get healthy we do 2 things: diet management and exercise. Lets start with diet management. Keywords are like food for your WebPages. This article explains the role of keywords in website optimization. >>> More
The Expert Secret to Search Engine Optimization - Effective Website Optimization

as seen on Ezine Articles - Search for 'Ezine Articles'
Throwing keywords into a program that shows you how popular they are and then using those keywords without doing a little bit of preliminary research and answering some very important questions can just spell disaster. There are three questions that are extremely important to ask yourself before just… >>> More
Importance of On-Page Optimization in Search Engine Optimization (SEO)

as seen on Ezine Articles - Search for 'Ezine Articles'
On-page optimization is crucial for any website. Read the importance of on-page optimization and how it would be helpful for getting high ranking in search engines. >>> More

Related posts about math

how to make a function recursive

as seen on Stack Overflow - Search for 'Stack Overflow'
i have this huge function and i am wondering how to make it recursive. i have the base case which should never come true, so it should always go to else and keep calling itself with the variable t increases. any help would be great thanks def draw(x, y, t, planets): if 'Satellites' in planets["Moon"]: … >>> More
Sunrise / set calculations

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm trying to calculate the sunset / rise times using python based on the link provided below. My results done through excel and python do not match the real values. Any ideas on what I could be doing wrong? My Excel sheet can be found under .. http://transpotools.com/sun_time.xls # Created on… >>> More
Android-Java: Constructing a triangle based on Coordinates on a map and your bearing

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi Guys, I'm constructing a geolocation based application and I'm trying to figure out a way to make my application realise when a user is facing the direction of the given location (a particular long / lat co-ord). I've got the math figured, I just have the triangle to construct. //UPDATE So… >>> More
Math.max and Math.min outputting highest and lowest values allowed

as seen on Stack Overflow - Search for 'Stack Overflow'
so I'm trying to make a program that will output the sum, average, and smallest and largest values. I have everything basically figured out except the smallest and largest values are outputting 2147483647 and -2147483647, which I believe are the absolute smallest and largest values that Java will… >>> More
Is Programming == Math?

as seen on Stack Overflow - Search for 'Stack Overflow'
I've heard many times that all programming is really a subset of math. Some suggest that OO, at its roots, is mathematically based. I don't get the connection. Aside from some obvious examples: using induction to prove a recursive algorithm formal correctness proofs functional languages lambda calculus asymptotic… >>> More