Cod sursa(job #1426120)

Utilizator andralauraAndra Scurtu andralaura Data 28 aprilie 2015 23:12:53
Problema Cautare binara Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.59 kb
#include <fstream>
using namespace std;
ifstream f("cautbin.in"); ofstream g("cautbin.out");
int a[100001];
int main()
{ int n,m,i,t,x,j,step;
in>>n;
for(i=1;i<=n;i++) f>>v[i];
f>>m;
for(j=1;j<=m;j++)
{
  f>>t>>x;
  pas=1<<16;
  i=0;
  if(t==0 || t==1)
  {
     while(step!=0)
     {
       if(i+step<=n && a[i+pas]<=x) i+=step;
       pas/=2;
     }
     if(t==0&&v[i]!=x) g<<-1<<"\n";
     else g<<i<<"\n";
  }
  else
  {
     while(step!=0)
     {
       if(i+step<=n && a[i+step]<x) i+=step;
       step/=2;
     }
     g<<i+1<<"\n";
  }
 
}
 
 
    return 0;
}