#include <stdio.h>
int reverse(int a[],int n)
{  
    if(n==0)
    {
        return;
    }else
    {
        printf("%d\n",a[n-1]);
        reverse(a,n-1);
    }
}
main()
{ 
  int arr[]={4,3,2,6,7};
  int size = sizeof(arr)/sizeof(arr[0]);
  reverse(arr,size);  
  return 0;
}