Question

(C++)
In a file called pp7c.cpp, write a function called printMoney that has one parameter, a double, and it prints this parameter out formatted like a dollar amount with $ and exactly 2 digits to the right of the decimal. Write a driver that declares an array of monetary amounts like this:
double amounts[MAX_AMOUNTS];
and uses a while or do while loop to ask the user for monetary amounts with -1 for the amount as a sentinel value to put values in the array, amounts. Do not allow the user to enter more than MAX_AMOUNTS numbers. This loop must count how many numbers are placed in the amounts array as the array may be partially filled. After using a do or do while loop to fill the array, write a for loop to call the printMoney function to print all of the values in the amounts array. The constant and function declarations are shown below.

                const int MAX_AMOUNTS = 10;

void printMoney( double m );

Answer 1

Explanation:

Here is the code below which has the function printMoney and in the main , it keeps asking for the monetory amount until the person enters -1 as the sentinel value or the amounts exceed 10.

Then a for loop is used to call the function printMoney for each amount in the array.

Code:

#include <iostream>
#include <iomanip>
using namespace std;

void printMoney(double m)
{
cout<<fixed<<setprecision(2)<<"$"<<m<<endl;
}
int main()
{
const int MAX_AMOUNTS = 10;
  
double amounts[MAX_AMOUNTS];
  
int n = 0;
double amount;
  
  

while(n<10)
{
cout<<"Enter monetory amount: ";
cin>>amount;
  
if(amount==-1)
break;
  
amounts[n++] = amount;
  
}
  
for (int i = 0; i < n; i++) {
  
printMoney(amounts[i]);
}
return 0;
}

Output:

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