#include <fstream>

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

int n,v[100001];
int cautbin1(int x)
{
    int st=1,dr=n,mij;
    while(st<=dr)
    {
        mij=(st+dr)/2;
        if(v[mij]<=x)st=mij+1;
        else dr=mij-1;
    }
    return dr;
}

int cautbin0(int x)
{
     int st=1,dr=n,mij;
     while(st<=dr)
     {
         mij=(st+dr)/2;
         if(v[mij]<=x)
            st=mij+1;
         else dr=mij-1;
     }

    if(v[dr]==x) return dr;
    else return -1;
}

int cautbin2(int x)
{
     int st=1,dr=n,mij;
     while(st<=dr)
     {
         mij=(st+dr)/2;
         if(v[mij]>=x)dr=mij-1;
         else st=mij+1;
     }
     return st;
}
int main()
{   ios_base::sync_with_stdio(false);
    int  m,i,p,x,r;
    in>>n;
    for(i=1;i<=n;i++)
        in>>v[i];
    in>>m;
    for(i=1;i<=m;i++)
    {
        in>>p>>x;
       if(p==0)r=cautbin0(x);
       else if(p==1)r=cautbin1(x);
        else if(p==2)r=cautbin2(x);
           out<<r<<"\n";
    }



    return 0;
}