#include <fstream>
using namespace std;
ifstream in("cautbin.in");
ofstream out("cautbin.out");
int v[100005];
int n;
int izbavirea(int x)
 {
    int st=1,dr=n,mij;
    while(st<=dr)
    {
        mij=(st+dr)/2;
        if(v[mij]<=x)st=mij+1;
        else dr=mij-1;
    }
    return dr;
 }
 int crucifix(int x)
 {
    int st=1,dr=n,mij;
    while(st<=dr)
    {
        mij=(st+dr)/2;
        if(v[mij]<=x)st=mij+1;
        else dr=mij-1;
    }
    if(v[dr]==x)
        return dr;
    return -1;
 }
 int jesus(int x)
 {
    int st=1,dr=n,mij;
    while(st<=dr)
    {
        mij=(st+dr)/2;
        if(v[mij]<x)st=mij+1;
        else dr=mij-1;
    }
    return st;
 }
int main()
{
    ios_base::sync_with_stdio(false);
    int m,i,cz,ind;
    in>>n;
    for(i=1;i<=n;i++)
        in>>v[i];
    in>>m;
    while(m>0)
    {
        in>>cz;
        in>>ind;
        if(cz==0)
            out<<crucifix(ind);
        if(cz==1)
           out<<izbavirea(ind);
        if(cz==2)
           out<<jesus(ind);
        out<<'\n';
        m--;
    }
    in.close();
    out.close();
    return 0;
}