recursionMysteryDivMod

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< recursionMysteryComma

recursionMysteryMinus >

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

Language/Type: C++ recursion

For each call to the following recursive function, write the value that would be returned.

int recursionMysteryDivMod(int n) {
    if (n < 0) {
        return recursionMysteryDivMod(-n);
    } else if (n < 10) {
        return n;
    } else {
        return n % 10 + recursionMysteryDivMod(n / 10);
    }
}

(Side note: What is the function really doing?)

`recursionMysteryDivMod(8)`
`recursionMysteryDivMod(74)`
`recursionMysteryDivMod(-513)`
`recursionMysteryDivMod(3052)`
`recursionMysteryDivMod(82534)`

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recursionMysteryDivMod