#include <iostream>
#include <fstream>

using namespace std;

int main(){
    ifstream f("cautbin.in");
    ofstream g("cautbin.out");

    int n, array[100001];

    f >> n;
    for(int i = 0; i < n; ++i ){
        f >> array[i];
    }

    int m;
    f >> m;
    int key, elem;
    for(int i = 0; i < m; ++i ){
        f >> key >> elem;
        if ( key == 0 ){
            int st = 0;
            int dr = n - 1;
            int sol = -2;
            while (st <= dr){
                int mid = ( st + dr ) / 2;
                if ( elem < array[mid])
                    dr = mid - 1;
                else
                    if ( elem > array[mid])
                        st = mid + 1;
                    else{
                        if ( mid == n - 1)
                        {
                            if ( elem == mid )
                            {
                                sol = mid;
                                break;
                            }
                        }
                        else{
                            if ( elem == mid && array[mid + 1] != elem)
                            {
                                sol = mid;
                                break;
                            }
                            else{
                                st = mid + 1;
                            }
                        }
                    }
            }
            g << sol + 1<< "\n";
        }
        if ( key == 1 ){
            int st = 0;
            int dr = n - 1;
            int sol = -2;
            while (st <= dr){
                int mid = ( st + dr ) / 2;
                if ( elem < array[mid])
                    dr = mid - 1;
                else
                if ( elem > array[mid])
                {
                    sol = st;
                    st = mid + 1;
                }
                else{
                    if ( mid == n - 1)
                    {
                        if ( elem == mid )
                        {
                            sol = mid;
                            break;
                        }
                    }
                    else{
                        if ( elem == mid && array[mid + 1] != elem)
                        {
                            sol = mid;
                            break;
                        }
                        else{
                            sol = st;
                            st = mid + 1;
                        }
                    }
                }
            }
            g << sol + 1<< "\n";
        }
        if ( key == 2 ){
            int st = 0;
            int dr = n - 1;
            int sol = -2;
            while (st <= dr){
                int mid = ( st + dr ) / 2;
                if ( elem < array[mid])
                    sol = dr,
                    dr = mid - 1;
                else
                if ( elem > array[mid])
                {
                    st = mid + 1;
                }
                else{
                    if ( mid == n - 1)
                    {
                        if ( elem == mid )
                        {
                            sol = mid;
                            break;
                        }
                    }
                    else{
                        if ( elem == mid && array[mid -1] != elem)
                        {
                            sol = mid;
                            break;
                        }
                        else{
                            sol = dr;
                            dr = mid - 1;
                        }
                    }
                }
            }
            g << sol + 1<< "\n";
        }
    }
    return 0;
}