int getTotalX(vector a, vector b) { vector lcm = {}; vector hcf = {};

int start_point = *max_element(a.begin(), a.end());
int end_point = *min_element(b.begin(), b.end());
for (int i = start_point; i <= end_point; i++)
    {
    bool a_flag = true;
    bool b_flag = true;
    for (int a_temp : a)
        {
        if (i%a_temp != 0)
            {
            a_flag = false;
            break;
            }
        }
    if (a_flag)
        {
        lcm.push_back(i);
        }
    for (int b_temp : b)
        {
        if (b_temp%i != 0)
            {
            b_flag = false;
            break;
            }
        }
    if (b_flag)
        {
        hcf.push_back(i);
        }
    }
vector<int> res;
set_intersection(lcm.begin(), lcm.end(), hcf.begin(), hcf.end(), back_inserter(res));
return res.size();

}