Problem Solving with C++ (10th Edition)
Problem Solving with C++ (10th Edition)
10th Edition
ISBN: 9780134448282
Author: Walter Savitch, Kenrick Mock
Publisher: PEARSON
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Chapter 5, Problem 4PP

Write a program that tells what coins to give out for any amount of change from 1 cent to 99 cents. For example, if the amount is 86 cents, the output would be something like the following:

  86 cents can be given as

  3 quarter(s) 1 dime(s) and 1 penny(pennies)

Use coin denominations of 25 cents (quarters), 10 cents (dimes), and 1 cent (pennies). Do not use nickel and half-dollar coins. Your program will use the following function (among others):

  void computeCoins(int coinValue, int& num, int& amountLeft);

  //Precondition: 0 < coinValue < 100; 0 <= amountLeft < 100.

  //Postcondition: num has been set equal to the maximum number

  //of coins of denomination coinValue cents that can be obtained

  //from amountLeft. Additionally, amountLeft has been decreased

  //by the value of the coins, that is, decreased by

  //num * coinValue.

For example, suppose the value of the variable amountLeft is 86. Then, after the following call, the value of number will be 3 and the value of amountLeft will be 11 (because if you take 3 quarters from 86 cents, that leaves 11 cents):

  computeCoins(25, number, amountLeft);

Include a loop that lets the user repeat this computation for new input values until the user says he or she wants to end the program. (Hint: Use integer division and the % operator to implement this function.)

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