Question

What is the output, to the console, once the following code has executed?

int collatz(int value) {
    if(value % 2 ==0)
         return value /2;
    else
        return value * 3+1;
}

int main() {
    int currentValue=1;
    int i;
    for (i=0; i<5; i++) {
        printf("%d\n", currentValue);
        currentValue= collatz(currentValue);
    }
    return 0;
}

Answer 1

1
4
2
1
4