///////////////////////////////////////////////////
//  arrays.cpp - how do I create and use arrays? //
///////////////////////////////////////////////////
#include <iostream>
using namespace std;

void main() {

  int iArray[3];                    // integer array of 3 elements
  iArray[0] = 1;                    // created on main's stack 
  iArray[1] = 0;
  iArray[2] = -1;
  cout << "\n  iArray[] contents are:    " 
       << iArray[0] << ", "
       << iArray[1] << ", "
       << iArray[2] << '\n';

                                    // array of C style strings
                                    // initialized when declared
  const int size = 4;
  char *cstrArray[size] = { "first", "second", "third", "fourth" };
  cout << "\n  cstrArray[] contents are: ";
  int i;
  for(i=0; i<size; i++)
    cout << cstrArray[i] << " ";
  cout << endl;
                                    // array of 3 doubles created on heap
  double *pD = new double[3];
  cout << "\n  pD[] contents are:        ";
  pD[0] = 0.5;
  pD[1] = 0.0;
  pD[2] = -1.5;
  for(i=0; i<3; i++)
    cout << pD[i] << " ";
  cout << "\n\n";
}