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// Fig. 3.8: fig03_08.cpp
// Roll a six-sided die 6000 times.
#include <iostream>
using std::cout;
using std::endl;
#include <iomanip>
using std::setw;
#include <cstdlib> // contains function prototype for rand
int main()
{
int frequency1 = 0;
int frequency2 = 0;
int frequency3 = 0;
int frequency4 = 0;
int frequency5 = 0;
int frequency6 = 0;
int face; // represents one roll of the die
// loop 6000 times and summarize results
for ( int roll = 1; roll <= 6000; roll++ ) {
face = 1 + rand() % 6; // random number from 1 to 6
// determine face value and increment appropriate counter
switch ( face ) {
case 1: // rolled 1
++frequency1;
break;
case 2: // rolled 2
++frequency2;
break;
case 3: // rolled 3
++frequency3;
break;
case 4: // rolled 4
++frequency4;
break;
case 5: // rolled 5
++frequency5;
break;
case 6: // rolled 6
++frequency6;
break;
default: // invalid value
cout << "Program should never get here!";
} // end switch
} // end for
// display results in tabular format
cout << "Face" << setw( 13 ) << "Frequency"
<< "\n 1" << setw( 13 ) << frequency1
<< "\n 2" << setw( 13 ) << frequency2
<< "\n 3" << setw( 13 ) << frequency3
<< "\n 4" << setw( 13 ) << frequency4
<< "\n 5" << setw( 13 ) << frequency5
<< "\n 6" << setw( 13 ) << frequency6 << 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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