#include <stdio.h>
int main(void) {
 
    int k; /* simple integer to hold result */	
    int n; /* simple integer to hold result */
 
    n = 5;
    printf ("n = %i \n", n--); /* post increment */
 
    k = 5;
    printf ("k = %i \n", --k);  /* pre increment */
 
    /* when implemented by itself, both of these     */
    /* will just increment these two variables by 1  */
 
    printf ("\nBefore: k = %i and n = %i", k, n);
 
    --n;
    k--;
 
    printf ("\nAfter: k = %i and n = %i", k, n);
 
	return 0;
}
 

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