Question

In C++

Consider a cash register that uses an automated machine.
For the “paper money inserted”, and the “amount of purchase”,
the machine returns “paper money and coins”.
Write a program that gets from user the following “paper money
inserted” and the “amount of purchase”, and display the output as:

Purchase 3.08
Payment 10.00
Change 6.92
Dollars 6
Quarters 3
Dimes 1
Nickels 1
Pennies 2

Hint:
- to get “dollars” and “coins” use : static_cast < int >
- use ‘fixed’ and ‘setprecision(2)’ as initial global
input to ‘cout’, to be automatically used for all displays that
follow;
- insert: <<left << setw(8)) for displaying a left field;
- insert: << right << setw(8) for displaying a right field.
- setw() is not sticky; insert it for every new display !

Answer 1

Explanation::

• Code in C++ is given below
• Screenshot of the OUTPUT is given at the end of the code

Code in C++::

#include<iostream>
#include<iomanip>
using namespace std;
int main(){
/**
* Two float variables are declared to store paper money
* inserted and the amount of purchase named paperMoney and
* amountPurchase
*/
float paperMoney,amountPurchase;

/**
* Prompting user to enter the amount of purchase i.e amountPurchase
*/
cout<<"Enter amount of purchase : ";
cin>>amountPurchase;

/**
* Prompting user to enter paper money inserted i.e paperMoney
*/
cout<<"Enter paper money inserted : ";
cin>>paperMoney;

/**
* Now another float variable named change is declared below
*/
float change=paperMoney-amountPurchase;

int dollars=static_cast<int>(change);
int coins=100*(change-static_cast<long long>(change));

int quarters=coins/25;
coins=coins%25;

int dimes=coins/10;
coins=coins%10;

int nickels=coins/5;
coins=coins%5;

int pennies=coins;

/**
* Printing the values
*/

cout<<setw(8)<<left;
cout<<"Purchase";
cout<<setw(8)<<right;
cout<<setprecision(2)<<fixed<<amountPurchase<<endl;

cout<<setw(8)<<left;
cout<<"Payment";
cout<<setw(8)<<right;
cout<<setprecision(2)<<fixed<<paperMoney<<endl;

cout<<setw(8)<<left;
cout<<"Change";
cout<<setw(8)<<right;
cout<<setprecision(2)<<fixed<<change<<endl;

cout<<setw(8)<<left;
cout<<"Dollars";
cout<<setw(8)<<right;
cout<<dollars<<endl;

cout<<setw(8)<<left;
cout<<"Quarters";
cout<<setw(8)<<right;
cout<<quarters<<endl;

cout<<setw(8)<<left;
cout<<"Dimes";
cout<<setw(8)<<right;
cout<<dimes<<endl;

cout<<setw(8)<<left;
cout<<"Nickels";
cout<<setw(8)<<right;
cout<<nickels<<endl;

cout<<setw(8)<<left;
cout<<"Pennies";
cout<<setw(8)<<right;
cout<<pennies<<endl;

return 0;
}

OUTPUT::

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