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// Fig. 4.11: fig04_11.cpp
// Student poll program.
#include <iostream>
using std::cout;
using std::endl;
#include <iomanip>
using std::setw;
int main()
{
// define array sizes
const int responseSize = 40; // size of array responses
const int frequencySize = 11; // size of array frequency
// place survey responses in array responses
int responses[ responseSize ] = { 1, 2, 6, 4, 8, 5, 9, 7, 8,
10, 1, 6, 3, 8, 6, 10, 3, 8, 2, 7, 6, 5, 7, 6, 8, 6, 7,
5, 6, 6, 5, 6, 7, 5, 6, 4, 8, 6, 8, 10 };
// initialize frequency counters to 0
int frequency[ frequencySize ] = { 0 };
// for each answer, select value of an element of array
// responses and use that value as subscript in array
// frequency to determine element to increment
for ( int answer = 0; answer < responseSize; answer++ )
++frequency[ responses[answer] ];
// display results
cout << "Rating" << setw( 17 ) << "Frequency" << endl;
// output frequencies in tabular format
for ( int rating = 1; rating < frequencySize; rating++ )
cout << setw( 6 ) << rating
<< setw( 17 ) << frequency[ rating ] << endl;
return 0; // indicates successful termination
} // end main
/**************************************************************************
* (C) Copyright 1992-2003 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. *
*************************************************************************/
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