Cod sursa(job #1703970)

Utilizator minut1Baies Cosmin minut1 Data 17 mai 2016 20:48:28
Problema Cautare binara Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.09 kb
#include <fstream>

using namespace std;

ifstream cin("cautbin.in");
ofstream cout("cautbin.out");

int v[100005];
const int pas=1<<16;
int main()
{
    int n,m,i,a,x,y,b;
    cin>>n;
    for(i=1;i<=n;i++)
        cin>>v[i];
    cin>>m;
    for(a=1;a<=m;a++)
        {
            cin>>b>>x;
            y=pas;
            i=0;
            if(b==0)
                    while(y!=0){
                        if(i+y<=n&&v[i+y]==x)
                            i+=y;
                        y/=2;
                        }
            if(b==1)
                while(y!=0){
                        if(i+y<=n&&v[i+y]<=x)
                            i+=y;
                        y/=2;
                        }
            if(b==2)
                while(y!=0){
                        if(i+y<=n&&v[i+y]<x)
                            i+=y;
                        y/=2;
                        }
            if(i==0 and b == 0)
                cout<<-1<<"\n";
            if(b==2)
                cout<<i+1<<"\n";
            else
                cout<<i<<"\n";
        }
    cin.close();
    cout.close();
    return 0;
}