parameterMystery6

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< parameterMystery2

parameterMystery13 >

Main Page → Exercises → C++ → Solve an Exercise

Language/Type: C++ parameters references reference parameters pointers

The following code produces 4 lines of output. What is the output? Write each line of output as it would appear on the console.

null

string parameterMystery6(int a, int& b, string& c, string d) {
    a++;
    b++;
    c += "x";
    d += "x";
    cout << d << " " << c << " " << b << " " << a << endl;
    return d;
}

int main() {
    int a = 1;
    int b = 20;
    int x = 300;
    string c = "c";
    string d = "d";
    string z = "z";

    parameterMystery6(a, b, c, d);
    parameterMystery6(b, x, z, c);
    d = parameterMystery6(x, a, c, z);

    cout << a << " " << b << " " << x << " " << c << " " << d << " " << z << endl;
    return 0;
}

line 1
line 2
line 3
line 4

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parameterMystery6