int xxx(int vetor[]) {
    return sizeof(vetor);
}

int main() {
    int vetor[] = {10, 3, 5, 8, 1, 9, 2, 4, 7, 0, 6, -1};
    int n = sizeof(vetor) / sizeof(int);
    printf("%d\n", n);
    printf("%d\n", xxx(vetor));
}