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#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("cautbin.in");
ofstream g("cautbin.out");
int v[10000000],n,kx,intr,lo,hi,k1,y,k,x,mid;
int main()
{
f>>n;
for(int i=1; i<=n; i++) f>>v[i];
f>>k;
for(int i=1; i<=k; i++)
{
f>>intr>>x;
if(intr==0)
{
y=upper_bound(v+1,v+n+1,x)-v;
if(v[y-1]==x)
{
g<<y-1<<'\n';
}
else g<<-1<<'\n';
}
if(intr==1)
{
y=lower_bound(v+1,v+n+1,x)-v;
if(v[y]==x)
{
y=upper_bound(v+1,v+n+1,x)-v;
if(v[y-1]==x)
{
g<<y-1<<'\n';
}
else g<<-1<<'\n';
}
else
g<<y-1<<'\n';
}
if(intr==1)
{
y=upper_bound(v+1,v+n+1,x-1)-v;
g<<y<<'\n';
}
}
return 0;
}