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Cod sursa(job #412206)
#include<fstream>
#include<algorithm>
using namespace std;
long v[100005];
int main ()
{
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
long i,n,m,x,y,poz;
fin>>n;
for(i=1;i<=n;i++)
fin>>v[i];
fin>>m;
sort(v+1,v+n+1);
for(i=1;i<=m;i++)
{
fin>>x>>y;
if(x==0)
{
poz=upper_bound(v+1,v+n+1,y)-v-1;
if(v[poz]==y && poz>=1 && poz<=n) fout<<poz<<"\n";
else fout<<-1<<"\n";
}
if(x==1)
{
poz=upper_bound(v+1,v+n+1,y+1)-v-1;
fout<<poz<<"\n";
}
if(x==2)
{
poz=lower_bound(v+1,v+n+1,y-1)-v;
fout<<poz<<"\n";
}
}
fin.close ();
fout.close ();
return 0;
}