#include <fstream>
using namespace std;
ifstream cin("cautbin.in");
ofstream cout("cautbin.out");
const int nm=100000;
int v[nm+5],n,m,a,b;
void bs0(int x)
{
    int poz=-1;
    int st=1,dr=n,med;
    while(1)
    {
        med=(st+dr)/2;
        if(v[med]==x)
        {
            if(v[med+1]!=x)
            {
                poz=med;
                break;
            }
            st=med+1;
            continue;
        }
        if(st==dr)
            break;
        if(v[med]<x)
            st=med+1;
        else
            dr=med-1;
    }
    cout<<poz<<"\n";
}
void bs1(int x)
{
    int poz;
    int st=1,dr=n,med;
    while(st<=dr)
    {
        med=(st+dr)/2;
        if(v[med]==x)
        {
            if(v[med+1]!=x)
            {
                poz=med;
                break;
            }
            st=med+1;
            continue;
        }
        if(v[st]<x and x<v[st+1])
        {
            poz=st;
            break;
        }
        if(st==dr)
        {
            poz=st;
            break;
        }
        if(v[med]<x)
            st=med+1;
        else
            dr=med-1;
    }
    cout<<poz<<"\n";
}
void bs2(int x)
{
    int poz,st=1,dr=n,med;
    while(1)
    {
        med=(st+dr)/2;
        if(v[med]==x)
        {
            if(v[med-1]!=x)
            {
                poz=med;
                break;
            }
            dr=med-1;
            continue;
        }
        if(v[med]<x)
            st=med+1;
        else
            dr=med-1;
    }
    cout<<poz<<"\n";
}
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
        cin>>v[i];
    cin>>m;
    for(int i=1;i<=m;i++)
    {
        cin>>a>>b;
        if(a==0)bs0(b);
        if(a==1)bs1(b);
        if(a==2)bs2(b);
    }
    return 0;
}