#include <stdlib.h>
#include <stdio.h>
int *ptr = 0;
int size;
int currentIndex;
void
initialize ()
{
if (ptr)
return;
size = 2;
ptr = malloc (sizeof (int) * size);
currentIndex = 0;
}
void
unInitialize ()
{
if (ptr)
free (ptr);
size = 0;
currentIndex = 0;
}
void
doubleTheSize ()
{
ptr = realloc (ptr, sizeof (int) * size * 2);
size = size * 2;
}
void
AddElement (int element)
{
if (currentIndex >= size)
doubleTheSize ();
ptr[currentIndex] = element;
++currentIndex;
}
void
printInput ()
{
for (int i = 0; i < currentIndex; ++i)
{
printf ("%d ", ptr[i]);
}
printf ("\n");
}
int
main (void)
{
initialize ();
int i = 0;
do
{
printf ("Enter Element :");
scanf (" %d", &i);
//condition to break the loop
if (i == -1)
break;
AddElement (i);
printInput ();
}
while (1);
unInitialize ();
return 0;
}
