#include <stdio.h>
void swap(int *a, int *b)
{
int temp;
temp = *a;
*a = *b;
*b = temp;
}
int main()
{
int a=3 , b=5;
printf("%d,%d\n",a,b);
printf("%d,%d\n",&a,&b);
swap(&a,&b);
printf("%d,%d\n",a,b);
printf("%d,%d\n",&a,&b);
return 0;
}










