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#include <bits/stdc++.h>
using namespace std;
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
int v[2000001];
int m,n;
void zero(int x){
auto *val=upper_bound(v+1,v+n+1,x);
auto val1=*lower_bound(v+1,v+n+1,x);
if(x==val1){
fout<<val-v-1<<"\n";
}
else{
fout<<-1<<endl;
}
}
void unu(int x){
auto* val=upper_bound(v+1,v+n+1,x);
fout<<val-v-1<<"\n";
}
void doi(int x){
auto *val=lower_bound(v+1,v+n+1,x);
fout<<val-v<<"\n";
}
int main()
{
int i,nr,cnt,j;
fin>>n;
for(i=1; i<=n; i++){
fin>>v[i];
}
sort(v+1,v+n+1);
fin>>m;
for(i=1; i<=m; i++){
int x,y;
fin>>x>>y;
if(x==0){
zero(y);
}
if(x==1){
unu(y);
}
if(x==2){
doi(y);
}
}
return 0;
}