#include <fstream>
using namespace std;

ifstream is("cautbin.in");
ofstream os("cautbin.out");

int a[100002], n;
int m;
int nr, x;
int mij;

int Cautare0(int st, int dr, int x)
{
    mij = 0;
    while (st <= dr)
    {
        mij = (st + dr)/2;
        if (a[mij] <= x)
            st = mij + 1;
        else
            dr = mij - 1;
    }
    mij = (st + dr)/2;
    if (a[mij] == x)
        return mij;
    else
        return -1;
}
int Cautare1(int st, int dr, int x)
{
    mij = 0;
    while (st < dr)
    {
        mij = (st + dr)/2;
        if (a[mij] <= x)
            st = mij + 1;
        else
            dr = mij;
    }
    mij = (st + dr)/2;
    if (a[mij] > x)
        mij--;
    return mij;
}
int Cautare2(int st, int dr, int x)
{
    mij = 0;
    while (st < dr)
    {
        mij = (st + dr)/2;
        if (a[mij] < x)
            st = mij + 1;
        else
            dr = mij;
    }
    mij = (st + dr)/2;
    if (a[mij] < x)
        mij++;
    return mij;

}
int main()
{
    is >> n;
    for (int i = 1 ; i <= n ; ++i)
        is >> a[i];

    is >> m;
    for (int i = 0 ; i < m ; ++i)
    {

        is >> nr >> x;
        if (nr == 0)
            os << Cautare0(1, n, x) << '\n';
        if (nr == 1)
            os << Cautare1(1, n, x) << '\n';
        if (nr == 2)
            os << Cautare2(1, n, x) << '\n';
    }
    is.close();
    os.close();
    return 0;
}