error: no match for 'operator[]

Ошибка возникла на первом cout, полный текст ошибки:

error: no match for 'operator[]' (operand types are 'std::vectorstd::pair<std::__cxx11::basic_string<char, int> >' and 'std::pairstd::__cxx11::basic_string<char, int>')|

int ss = 0;
string st1, k = "";
cin >> st1;
vector <pair<string, int>> h(1000);
for (int i = 0; i < st1.size(); i++)
{
    if (st1[i] == '*')
    {
        h[ss].first = k;
        h[ss].second = (st1.find(k));
        k = "";
        ss++;
        continue;
    }
    k += st1[i];
}
for (auto i: h)
{
    cout << h[i].first() << "\n";
    cout << h[i].second() << "\n";
}