// Fig. 7.10: fig07_10.cpp
// Roll a six-sided die 6,000,000 times.
#include <iostream>
#include <iomanip>
#include <cstdlib>
#include <ctime>
using namespace std;

int main()
{
   const int arraySize = 7; // ignore element zero
   int frequency[ arraySize ] = {}; // initialize elements to 0

   srand( time( 0 ) ); // seed random number generator

   // roll die 6,000,000 times; use die value as frequency index
   for ( int roll = 1; roll <= 6000000; ++roll )       
      ++frequency[ 1 + rand() % 6 ];

   cout << "Face" << setw( 13 ) << "Frequency" << endl;

   // output each array element's value
   for ( int face = 1; face < arraySize; ++face )  
      cout << setw( 4 ) << face << setw( 13 ) << frequency[ face ] 
         << endl;
} // end main



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