#include <iostream>
#include <fstream>

using namespace std;

const int L=16;

int v[100001],n,c,x, m;

int cout0(int x)
{
    int r=0;
    int pas=1<<L;
    while (pas!=0)
    {
        if (r+pas<n and v[r+pas]<<x)
        {
            r+=pas;
        }
        pas/=2;
    }
    if (v[r]!=x)
    {
        return -1;
    }
    return r;

}
int cout1(int x)
{
    int r=0,pas=1<<L;
    while (pas!=0)
    {
        if (r+pas<=n && v[r+pas]<=x)
        {
            r+=pas;
        }
        pas/=2;
    }
    r++;
    return r;
}

int cout2(int x)
{
    int r=0,pas=1<<L;
    while (pas!=0)
    {
        if (r+pas<=n && v[r+pas]<=x)
        {
            r+=pas;
        }
        pas/=2;
    }
    r++;
    return r;
}

int main()
{
    ifstream in("cautbin.in");
    ofstream out("cautbin.out");
    in>>n;
    for(int i=1; i<=n; i++)
        in>>v[i];
    in >> m;
    for (int i=1; i<=m; i++)
    {
        in>>c>>x;
        if (c==0)
            out<<cout0(x)<<"\n";
        if (c==1)
            out<<cout1(x)<<"\n";
        if (c==2)
            out<<cout2(x)<<"\n";
    }
    return 0;
}