#include <fstream>
using namespace std;
ifstream in("cautbin.in");
ofstream out("cautbin.out");
int n,m,y,x,i,a[100001];
int zero(int nr)
{
    int st=1,dr=n,mij;
    while (st<dr)
    {
        mij=(st+dr+1)/2;
        if (a[mij]<=nr)
            st=mij;
        else
            dr=mij-1;
    }
    if (a[st]!=nr)
        return -1;
    return st;
}
int unu(int nr)
{
    int st=1,dr=n,mij;
    while (st<dr)
    {
        mij=(st+dr+1)/2;
        if (a[mij]<=nr)
            st=mij;
        else
            dr=mij-1;
    }
    return st;
}
int doi(int nr)
{
    int st=1,dr=n,mij;
    while (st<dr)
    {
        mij=(st+dr)/2;
        if (a[mij]<nr)
            st=mij+1;
        else
            dr=mij;
    }
    return dr;
}
int main()
{
    in>>n;
    for (i=1; i<=n; ++i)
    {
        in>>a[i];
    }
    in>>m;
    for (i=1; i<=m; ++i)
    {
        in>>x>>y;
        if (x==0)
            out<<zero(y)<<"\n";
        if (x==1)
            out<<unu(y)<<"\n";
        if (x==2)
            out<<doi(y)<<"\n";
    }
}