recursion_mystery12

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< recursion_mystery11

recursion_mystery13 >

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Language/Type: PHP recursion recursion mystery

For each of the calls to the following recursive function below, indicate what output is produced:

function recursion_mystery12($x, $y) {
    if ($y <= 0) {
        print("0 ");
    } elseif ($x > $y) {
        print("$x ");
        recursion_mystery12($x - $y, $y);
    } else {
        recursion_mystery12($x, $y - $x);
        print("$y ");
        if ($y % 3 == 0) {
            recursion_mystery12($x, $y - $x);
        }
    }
}

`recursion_mystery12(6, 3)`
`recursion_mystery12(2, 3)`
`recursion_mystery12(5, 8)`
`recursion_mystery12(21, 12)`
`recursion_mystery12(3, 10)`

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recursion_mystery12