#include <fstream>

using namespace std;
ifstream in("cautbin.in");
ofstream out("cautbin.out");

int cb0(int x, int v[], int n)
{
    int i,m,s;
    i=1; s=n;
    while(i<=s)
    {
        m=(i+s)/2;
        if(x>=v[m])
        {
            i=m;
        }
        else s=m;
        if(s-i==1)
        {
            if(v[i]!=x and v[s]!=x)return -1;
            else
            {
                if(v[s]==x)return s;
                if(v[i]==x)return i;

            }
        }
    }

}


int cb1(int x, int v[], int n)
{
    int i,m,s;
    i=1; s=n;
    while(i<=s)
    {
        m=(i+s)/2;
        if(x>=v[m])
        {
            i=m;
        }
        else s=m;
        if(s-i==1)
        {
            if(v[i]!=x and v[s]!=x)return -1;
            else
            {
                if(v[s]==x)return s;
                if(v[i]==x)return i;

            }
        }
    }

}


int cb2
(int x, int v[], int n)
{
    int i,m,s;
    i=1; s=n;
    while(i<=s)
    {
        m=(i+s)/2;
        if(x<=v[m])
        {
            s=m;
        }
        else i=m;
        if(s-i==1)
        {
            if(v[i]!=x and v[s]!=x)return -1;
            else
            {
                if(v[s]==x)return s;
                if(v[i]==x)return i;

            }
        }
    }

}
int main()
{
    int n,v[100010];
    in>>n;
    for(int i=1; i<=n; i++)
        in>>v[i];
    int m;
    in>>m;
    while(m)
    {
        int caz, x;
        in>>caz>>x;
        if(caz==0)
        {
            out<<cb0(x,v,n)<<endl;
        }

        if(caz==1)
        {
            out<<cb1(x,v,n)<<endl;
        }
        if(caz==2)
        {
            out<<cb2(x,v,n)<<endl;
        }
        m--;
    }


    return 0;
}