/* What is the output of this program? */ #include <iostream> using namespace std ; void figure_me_out (int & x, int y, int & z ) ; int main (void) { int a, b, c ; a = 10 ; b = 20 ; c = 30 ; figure_me_out (a,b,c) ; cout << a << " " << b << " " << c << endl ; return 0 ; } void figure_me_out (int & x, int y, int & z ) { cout << x << " " << y << " " << z << endl ; x = 1; y = 2 ; z = 3 ; cout << x << " " << y << " " << z << endl ; }