#include <iostream>
#include <fstream>
#include <string>
using namespace std;


int main() 
{

   ifstream ifs;
   ifs.open("c:\\numbers.txt");
   int n;
   
   int *d;
   int space;
   int used;

   space = 5;  // some arbitrary number
   d = new int[space];
   used = 0;
  
  
   while (ifs >> n) {
     if (used < space) {   // There is still space
       d[used] = n;
       used++;
     } else {      // There is no space
       space+=5;   // Add some more space
       int* newArray = new int[space];   // Allocate new pointer
       int i;
       for (i=0;i<used;i++)    // Copy over stuff from old pointer
         newArray[i] = d[i];
       delete[] d;       // Delete old pointer
       d = newArray;     // Change pointer to point to new Array
       d[used] = n;     // Now add the element
       used++;
     }
   }
   cout << "There are " << used << " elements" << endl;

   int i;
   for (i=0;i<used;i++) cout << d[i] << endl;

   delete[] d;  

   return 0;
}