vector<int> cnt_num_f_str01(string &str01)
{
    int cnt = 1;
    vector<int> idV;
    for (char &c : str01)
    {
//      cout << c << ' ' << cnt << endl;
        if (c == '1')   {idV.push_back(cnt);}
        ++cnt;
    }

    return idV;
}

//##############################################################################
int main(int argc, char *argv[])
{
    system("clear");

    string str = "010101010101";
    cnt_num_f_str01(str);

    return 0;
}