#include <fstream>

using namespace std;
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
int n,v[100005],m,i,k,x,p1,p2,mij;
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
    {
        fin>>v[i];
    }
    fin>>m;
    for(i=1;i<=m;i++)
    {
        fin>>k>>x;
        if(k==0)
        {
            p1=1;
            p2=n;
            while(p1<=p2)
            {
                mij=(p1+p2)/2;
                if(x<v[mij])
                {
                    p2=mij-1;
                }
                else
                {
                    p1=mij+1;
                }
            }
            //p1>p2
            if(v[p2]!=x)fout<<"-1"<<"\n";
            else fout<<p2<<"\n";
        }
    }

    return 0;
}