#include<fstream>
#include<algorithm>
using namespace std;
ifstream cin("cautbin.in");
ofstream cout("cautbin.out");
int a[100100],m,n,x,y;
int main()
{
    cin >> n;
    for (int i = 1; i <= n; i++) cin >> a[i];
    cin >> m;
    while(m--)
    {
        cin >> y >> x;
        if (y == 0)
        {
            y = upper_bound(a,a+n,x) - a;
            if (a[y - 1] == x && y != 0) cout << y << "\n";
            else cout << "-1\n";

        }
        else
        {
            if (y == 1)cout << upper_bound(a,a+n,x) - a-1 << "\n";
            else cout << lower_bound(a,a+n,x) - a<< "\n";
        }
    }
}