#include <iostream>
using namespace std;
void f (int n) {
static int a;
int b;
if (n == 0) {
a = 1 ;
b = 1;}
else {
a=a+1;
b=b+1;}
cout << "(a,b) in f :" << a << " (" << &a << "), " << b << " (" << &b << ")" << endl;}
void g(void) {
int x=99, y=100, z=101;
}
main() {
int a=5,b=5;
f(0);
g();
f(1);
cout << "(a,b) in main:" << a << " (" << &a << "), " << b << " (" << &b << ")" << endl;}