#include <iostream.h>
#include <iomanip.h>
#include <stdlib.h>
#include <time.h>

// a program to simulate the tossing of a coin NUMTOSSES times
int main()
{

  const int NUMTOSSES = 1000;

  int heads = 0;  // initialize heads count
  int tails = 0;  // initialize tails count
  int i;
  float flip, perheads, pertails;

    // simulate NUMTOSSES tosses of a coin
  srand(time(NULL));
  for (i = 1; i <= NUMTOSSES; i++)
  {
    flip = float(rand())/RAND_MAX;   // scale the number between 0 and 1
    if (flip > 0.5)
      heads = heads + 1;
    else
      tails = tails + 1;
  }
  perheads = (heads / float (NUMTOSSES)) * 100.0;  // calculate heads percentage
  pertails = (tails / float (NUMTOSSES)) * 100.0;  // calculate tails percentage
  cout << "\nHeads came up " << perheads << " percent of the time";
  cout << "\nTails came up " << pertails << " percent of the time" << endl;

  return 0;
}