#include <iostream>
using namespace std;
int a=10;
int f(int a, int *b, int &c)
{
a=100;
*b=200;
c=300;
return a+(*b)+c;
}
int main() {
cout << &a << endl;
int a=1, b=2, c=3;
a = f(a,&b,c);
cout << &a << endl;
cout << &b << endl;
cout << &c << endl;
return 0;
}
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