Chapter 5.2, Problem 7STE

What is the output of the following program?

#include <iostream>

void figureMeOut (int& x, int y, int& z);

int main()

{

  using namespace std;

  int a, b, c;

  a = 10;

  b = 20;

  c = 30;

  figureMeOut(a, b, c);

  cout << a << “ ” << b << “ ” << c;

  return 0;

}

void figureMeOut (int& x, int y, int& z)

{

  using namespace std;

  cout << x << “ ” << y << “ ” << z << endl;

  x = 1;

  y = 2;

  z = 3;

  cout << x << “ ” << y << “ ” << z << endl;

}