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coin's Introduction

What is this?

This is a change return algorithm for a vending machine. It is universal in terms of coin values and it has infinite amount of coins of all types. However for the user it is crucial that the machine returns smallest amount of coin possible.

Installation

npm i coin-master --save

import { coin } from 'coin-master';

coin({
  coins: [1, 2, 5],
  total: 12
})

Parameters

We have 2 required parameters:

  • coins - [1, 2, 5] (array of available coins, element 1 is required)
  • total - integer (amount of rest)

coin's People

Watchers

Alex avatar

coin's Issues

Algorithm gives wrong answer for some inputs

Hello,
for the following input, the coin algorithm returns coins of the correct total amount, but it is not a combination of coins with least amount of coins.

coin({
  coins: [1, 4, 5],
  total: 12
})
// actual result => 5,5,1,1
// correct result => 4,4,4

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