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#include <iostream>
#include <algorithm>
#include <fstream>
using namespace std;
int a[200001];
int main()
{
ifstream cin ("cautbin.in");
ofstream cout ("cautbin.out");
int n, T, y, x, l, r, mid;
cin >> n;
for(int i=1; i<=n; i++)
{
cin >> a[i];
}
cin >> T;
for(int i=1; i<=T; i++)
{
cin >> y >> x;
if(y==0)
{
l=1;
r=n+1;
while(l<r)
{
mid=(l+r)/2;
if(a[mid]<=x)
l=mid+1;
else
r=mid;
}
if(a[l-1]!=x)
cout << -1 << endl;
else
cout << l-1 << endl;
}
else if(y==1)
{
l=1;
r=n+1;
while(l<r)
{
mid=(l+r)/2;
if(a[mid]<=x)
l=mid+1;
else
r=mid;
}
cout << l-1 << endl;
}
else if(y==2)
{
l=1;
r=n+1;
while(l<r)
{
mid=(l+r)/2;
if(a[mid]<x)
l=mid+1;
else
r=mid;
}
cout << l << endl;
}
}
return 0;
}