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// Chapter 4 of C++ How to Program
// sales.cpp
#include <iostream>
using std::cout;
using std::cin;
using std::endl;
using std::ios;
#include <iomanip>
using std::setiosflags;
using std::setprecision;
using std::setw;
int main()
{
const int PEOPLE = 5, PRODUCTS = 6;
/* Write the declaration for array sales here */
double value, totalSales,
productSales[ PRODUCTS ] = { 0.0 };
int salesPerson, product;
cout << "Enter the sales person (1 - 4), "
<< "product number (1 - 5)\nand total sales."
<< "Enter -1 for the sales person to end input.\n";
cin >> salesPerson;
while ( salesPerson != -1 ) {
cin >> product >> value;
/* Write a statement that adds values to the
sales array */
cin >> salesPerson;
}
// table header: describes output and prints
// column header(product numbers 1-5)
cout << "\nThe total sales for each sales person "
<< "are displayed\nat the end of each row,"
<< "and the total sales for each\nproduct "
<< "are displayed at the bottom of each column.\n"
<< setw( 10 ) << 1 << setw( 10 ) << 2
<< setw( 10 ) << 3 << setw( 10 ) << 4
<< setw( 10 ) << 5 << setw( 12 ) << "Total\n"
<< setiosflags( ios::fixed | ios::showpoint );
// nested loop structure: prints salesperson number
// followed by the amounts sold for each product
for ( int i = 1; /* Write condition here */ ; ++i ) {
totalSales = 0.0;
// this prints salesperson number
cout << i;
// inner loop: prints amounts sold for each product
for ( int j = 1; /* Write condition here */ ;
++j ) {
/* Write a statement that adds the current sales
element to totalSales */
// print sales for each salesperson for each product
cout << setw( 10 ) << setprecision( 2 )
<< sales[ i ][ j ];
/* Write a statement that adds the current sales
element to productSales */
}
// print the last column item (total sales of each
// product). The totalSales value is 9.99 under
// "Total" in the output box. After this value is
// printed, the next table line can be created
cout << setw( 10 ) << setprecision( 2 )
<< totalSales << '\n';
}
// this is the header for the last row
cout << "\nTotal" << setw( 6 ) << setprecision( 2 )
<< productSales[ 1 ];
// this prints the last row which displays the total sales
// for each product
for ( int j = 2; j < PRODUCTS; ++j )
cout << setw( 10 ) << setprecision( 2 )
<< productSales[ j ];
cout << endl;
return 0;
}
/************************************************** ************************
* (C) Copyright 2002 by Deitel & Associates, Inc. and Prentice Hall. *
* All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
************************************************** ***********************/
