Write a program that inputs four strings that represent floating-point values, converts the strings to double values, sums the values and prints the total of the four values. Use only the C-style string-processing techniques shown in this chapter.
What will be an ideal response?
```
#include
#include
#include
using namespace std;
const int SIZE = 15;
int main()
{
char stringValue[ SIZE ];
double sum = 0.0;
for ( int i = 1; i <= 4; i++ )
{
cout << "Enter a floating-point value: ";
cin >> stringValue;
sum += atof( stringValue ); // convert to double
} // end for
cout << fixed << "\nThe total of the values is " << setprecision( 3 )
<< sum << endl;
return 0;
} // end main
```
Enter a floating-point value: 4.3
Enter a floating-point value: 6.4
Enter a floating-point value: 2.4
Enter a floating-point value: 7.2
The total of the values is 20.300
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