#include <fstream>


using namespace std;

ifstream fin("cautbinar.in");
ofstream fout("cautbinar.out");
const unsigned N = 1e5;

unsigned a[N], n;
inline unsigned cb0( unsigned n, unsigned x) {
    unsigned st = 0;
    unsigned dr = n - 1;
    unsigned rez = -1;

    while (st <= dr) {
        unsigned mij = (st + dr) / 2;
        if (a[mij] <= x) {
            rez = mij;
            st = mij + 1;
        } else {
            dr = mij - 1;
        }
    }
    if (rez == -1 || a[rez] != x) 
        return -1;
     else 
        return rez + 1;

}

inline unsigned cb2(unsigned n, unsigned x) {
    unsigned st = 0;
    unsigned dr = n - 1;
    unsigned rez = -1;

    while (st <= dr) {
        int mij = (st + dr) / 2;
        if (a[mij] >= x) {
            rez = mij;
            dr = mij - 1;
        } else 
            st = mij + 1;
        
    }
    if (rez == -1 || a[rez] != x) {
        return -1;
    } else {
        return rez + 1;
    }
}

int main() {
    unsigned n;
    fin >> n;

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

    unsigned q;
    fin >> q;
    short cerr;
        unsigned x;
    while (q--) {
        fin >> cerr >> x;
        if (cerr == 0 || cerr == 1) {
            fout << cb0(n, x) << '\n';
        } else {
            fout << cb2(n, x) << '\n';
        }
    }

}