Dinamicki niz sa pokazivacima

#include <stdio.h>
#include <stdlib.h>
void main () {
int *a, *p, *q, n;
printf ("n? ");
scanf ("%d", &n);
while (n>0) {
a = calloc (n, sizeof(int));
if (a == NULL ) {
printf (“Greska u alokaciji!\n”);
exit (1);
}
printf ("A? ");
for (p=a; p<a+n; p++) scanf ("%d", p);
for (p=a, q=a+n-1; p<q; p++, q--) {
int b = *p; *p = *q; *q = b;
}
printf ("A=");
for (p=a; p<a+n; p++) printf (" %d", *p);
free(a);
printf ("n? ");
scanf ("%d", &n);
}
}