recursionMysteryComma

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< recursionMystery13

recursionMysteryDivMod >

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

Language/Type: C++ recursion

For each call to the following recursive function, write the output that would be produced, as it would appear on the console.

void recursionMysteryComma(int x, int y) {
    if (y == 1) {
        cout << x;
    } else {
        cout << (x * y) << ", ";
        recursionMysteryComma(x, y - 1);
        cout << ", " << (x * y);
    }
}

`recursionMysteryComma(4, 1);`
`recursionMysteryComma(4, 2);`
`recursionMysteryComma(8, 2);`
`recursionMysteryComma(4, 3);`
`recursionMysteryComma(3, 4);`

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recursionMysteryComma