#include <fstream>
#include <iostream>
using namespace std;
int n,m,a[100002],tip,i,nr,st,dr,mid;
int main ()
{
    ifstream fin("cautbin.in");
    ofstream fout("cautbin.out");
    fin>>n;
    for(i=1;i<=n;i++)
        fin>>a[i];
    fin>>m;
    for(i=1;i<=m;i++)
    {
        fin>>tip;
        fin>>nr;
        st=1;
        dr=n;
        while(st<=dr)
        {
            mid=(st+dr)/2;
            if(a[mid]<=nr)
            {
                st=mid+1;
            }
            else
            {
                if(a[mid]>nr)
                {
                    dr=mid-1;
                }
            }
        }
        if(a[dr]==nr)
        {
            fout<<dr<<'\n';
        }
        else fout<<-1<<'\n';
    }
    fin.close();
    fout.close();
    return 0;

}