recursionMystery9

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< recursionMystery8

recursionMystery10 >

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

Language/Type: C++ recursion

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

int recursionMystery9(int x, int y) {
    if (x < 0) {
        return -recursionMystery9(-x, y);
    } else if (y < 0) {
        return -recursionMystery9(x, -y);
    } else if (x == 0 && y == 0) {
        return 0;
    } else {
        return 100 * recursionMystery9(x / 10, y / 10) + 10 * (x % 10) + y % 10;
    }
}

`recursionMystery9(12, 49);`
`recursionMystery9(73, -8);`
`recursionMystery9(-248, -3795);`

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recursionMystery9