Locali.cpp

#include <iostream>
using namespace std;

int a=5;

void f() {

int a=2, b=4;
cout << "(a,b) in f :" << a << " (" << &a << "), " << b << " (" << &b << ")" << endl;
return;

}

main() {

int b=6;
cout << "(a,b) in main:" << a << " (" << &a << "), " << b << " (" << &b << ")" << endl;
f();
cout << "(a,b) in main:" << a << " (" << &a << "), " << b << " (" << &b << ")" << endl;

}