#include<fstream>
#include<climits>
using namespace std;

ifstream fin("euclid2.in");
ofstream fout("euclid2.out");
int v[100001],n,m;
void citire()
{
    fin>>n;
    for(int i=1; i<=n; i++)
    {
        fin>>v[i];
    }
    v[n+1]=INT_MAX;

}

int cautb(int t,  int x)
{
    int s,d,i,ok,m;
    if(t==0)
    {
        s=1;
        d=n;
        while(s<d)
        {
            m=(s+d)/2;
            if(v[m]>x)
                d=m;
            else
                s=m+1;
        }
        s--;
        if(x==v[s])
            return s;
        else
            return -1;
    }
    else if(t==1)
    {
        s=1;
        d=n;
        while(s<d)
        {
            m=(s+d)/2;
            if(v[m]>x)
                d=m;
            else
                s=m+1;
        }
        s--;
        if(x==v[s])
            return s;
        else
        {
            return s;
        }
    }
    else if(t==2)
    {
        s=1;
        d=n;
        while(s<d)
        {
            m=(s+d)/2;
            if(v[m]==x)
                break;
            else
            {
            if(v[m]>x)
                d=m;
            else
                s=m+1;
            }
        }
        m--;
        if(x==v[m])
            return m;
        else
        {
            return s;
        }
    }
}

int main ()
{
    citire();
    int t,y,z;
    fin>>t;
    while(t>0)
    {
        fin>>y>>z;
        fout<<cautb(y, z)<<'\n';
        t--;
    }
}