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Cod sursa(job #904494)
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("cautbin.in");
ofstream out("cautbin.out");
int v[100001],n;
int cautb(int x)
{
int i=1,pas=1<<17;
while(pas!=0)
{
if(i+pas<=n && v[i+pas]<=x)
i+=pas;
pas/=2;
}
return i;
}
int cautb2(int x)
{
int i=1,pas=1<<17;
while(pas!=0)
{
if(i+pas<=n && v[i+pas]<x)
i+=pas;
pas/=2;
}
return i+1;
}
int cautb0(int x)
{
int i=1,pas=1<<17;
while(pas!=0)
{
if(i+pas<=n && v[i+pas]<=x)
i+=pas;
pas/=2;
}
if(v[i]==x)
return i;
else
return -1;
}
int main()
{
in>>n;
for(int i=1;i<=n;i++)
in>>v[i];
int m,t,x,poz;
in>>m;
for(int i=0;i<m;i++)
{
in>>t>>x;
if(t==0)
out<<cautb0(x)<<"\n";
else if (t==1)
out<<cautb(x)<<"\n";
else
out<<cautb2(x)<<"\n";
}
return 0;
}