#include <iostream>
#include <fstream>
using namespace std;
ifstream in("cautbin.in");
ofstream out("cautbin.out");
int n,V[100001];
void readArray(){
in>>n;
for(int i=1;i<=n;i++)
    in>>V[i];
}
int binary0(int e,int u,int x){

    int m;
    cout<<1;
    while(e<=u)
    {
        m=(e+u)/2;
        if (V[m]<=x)
            e=m+1;
        else if(x<V[m])
            u=m-1;
        }

    if(V[m]>x)
        m--;
    while(V[m]==V[m+1])
        m+=1;

    if(V[m]==x)
        return m;
    else
        return -1;


}
int binary1(int e,int u,int x){

    int m;

     while(e<=u)
    {
        m=(e+u)/2;
        if (V[m]<=x)
            e=m+1;
        else if(x<V[m])
            u=m-1;
        }

    if(V[m]>x)
        m--;
    while(V[m]>x)
        m--;
    while(V[m]==V[m+1])
        m+=1;
        cout<<'1'<<endl;
    if(V[m]==x)

        return m;
    else
        return -1;


}
int binary2(int e,int u,int x){

    int m;

         while(e<=u)
    {
        m=(e+u)/2;
        if (V[m]<=x)
            e=m+1;
        else if(x<V[m])
            u=m-1;
        }

    if(V[m]>x)
        m--;

    while(V[m]<x)
        m++;
    while(V[m]==V[m-1])
        m-=1;
    cout<<'2'<<endl;
   return m;


}

int main()
{
    readArray();
    int m,k,x;
    in>>m;
    for (int i=1;i<=m;i++)
    {
        in>>k>>x;

        switch (k){

            case 0:
                out<<binary0(1,n,x)<<endl;
                break;
            case 1:
                out<<binary1(1,n,x)<<endl;
                break;
            case 2:
                out<<binary2(1,n,x)<<endl;
                break;



        }
    }



    in.close();
    out.close();
    return 0;
}