#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
int n,i,j,m,k,v[100005],x,a;
int x0()
{
    int in=1,sf=n,mij;
    while(in<sf)
    {
        mij=(in+sf)/2;
        if(v[mij]==k)
        {
            if(v[mij+1]>k)
                return mij;
            else
                in=mij+1;
        }
        else if(v[mij]<k)
            in=mij+1;
        else
            sf=mij-1;
    }
    return -1;
}
int x1()
{
    int in=1,sf=n,mij;
    while(in<sf)
    {
        mij=(in+sf)/2;
        if(v[mij]==k)
        {
            if(v[mij+1]>k)
                return mij;
            else
                in=mij+1;
        }
        else if(v[mij]<k)
            in=mij+1;
        else
            sf=mij-1;
    }
}
int x2()
{
    return 0;
}
int main()
{
    int mij;
    fin>>n;
    for(i=1; i<=n; i++)
        fin>>v[i];
    fin>>m;
    for(i=1; i<=m; i++)
    {
        fin>>a>>k;
        if(a==0)
            fout<<x0()<<" ";
        if(a==1)
            fout<<x1()<<" ";
        if(a==2)
            fout<<x2()<<" ";
    }
}