int* scalarProduct(int* arr1, int* arr2, int m) {
    int arr3[100] = {};
    for (int i = 0; i < m; i++)
    {
        arr3[i] = arr1[i] * arr2[i];
    }
    return arr3;
}

int main()
{
    int arr1[] = { 1, 4, 2 };
    int arr2[] = { 2, 6, 8 };


    for (int i = 0; i < 3; i++)
    {
        std::cout << scalarProduct(arr1, arr2, 3)[i] << " ";
    }
}