#include <fstream>

using namespace std;

ifstream fin("cautbin.in");
ofstream fout("cautbin.out");

int v[100001], n;

int caut(int x)
{
    int r = 0, pas = 1 << 16;
    while(pas != 0){
        if(r + pas <= n && v[r + pas] <= x) r += pas;
        pas >>= 1;
    }
    return r;
}

int main()
{
    ios_base::sync_with_stdio(false);
    int m, a, x, t;
    fin >> n;
    for(int i = 1 ; i <= n ; i++) fin >> v[i];
    fin >> m;
    for(int i = 1 ; i <= m ; i++){
        fin >> a >> x;
        if(a == 0){
            t = caut(x);
            fout << (v[t] == x ? t : -1) << "\n";
        }
        else if(a == 1) fout << caut(x) << "\n";
        else if(a == 2) fout << caut(x - 1) + 1 << "\n";
    }
    return 0;
}