parameterMystery3

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< parameterMystery2X

parameterMystery4 >

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

void parameterMystery3(int* a, int& b, int* c) {
    *a += *c;
    (*c)++;
    b--;
    cout << b << " " << *a << " " << *c << endl;
}

int main() {
    int w = 0;
    int x = 1;
    int y = 3;
    int z = 7;

    parameterMystery3(&y, x, &w);
    parameterMystery3(&x, y, &z);
    parameterMystery3(&w, w, &z);

    cout << w << " " << x << " " << y << " " << z << endl;
    return 0;
}

line 1
line 2
line 3
line 4

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parameterMystery3