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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.                     *

+ *************************************************************************/