/* array1.cpp */

#include <iostream.h>

struct IntArray {
  int *elems;
  size_t numElems;
};


main() {
  IntArray powersOf2 = { 0, 0 };
  powersOf2.numElems = 8;
  powersOf2.elems = (int *)malloc( powersOf2.numElems * sizeof( int ));
  powersOf2.elems[0] = 1;
  for ( int i=1; i<powersOf2.numElems; i++ ) {
    powersOf2.elems[i] = 2 * powersOf2.elems[i-1];
  }
  cout << "here are the elements:\n";
  for ( int i=0; i<powersOf2.numElems; i++ ) {
    cout << "i=" << i << " powerOf2=" << powersOf2.elems[i] << "\n";
  }
  free( powersOf2.elems );
}