#include <stdio.h>
#include <stdlib.h>`\includegraphics{arrow.pdf}`

int main() {
  int n, *a;

  printf("Length of array: ");
  scanf("%d",&n); 

  a = calloc(n,sizeof(int));`\includegraphics{arrow.pdf}`
  if(a==0) {
    fprintf(stderr,"Sorry, not enough space!\n");
    return 1;
  }
  
  printf("OK, int array of length %d created.\n", n);
  return 0;
}