Cod sursa(job #1691141)

Utilizator Tataru_AdelinTataru Adelin Tataru_Adelin Data 16 aprilie 2016 22:39:04
Problema Cautare binara Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.38 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
int n,m,intrebare;
int v[100000],l,r,mi,x;

inline void cerinta_1()
{
    fin>>x;
    while(l<r)
    {
        mi=l+(r-l)/2;
        if(l==mi)
            break;
        if(v[m]<=x)
        {
            l=mi;
        }
        else
        {
            r=mi-1;
        }
    }
    fout<<l<<'\n';
}
inline void cerinta_2()
{
    fin>>x;
    while(l<r)
    {
        mi=l+(r-l)/2;
        if(l==mi)
            break;
        if(v[mi]<=x)
        {
            l=mi;
        }
        else
        {
            r=mi-1;
        }
    }
    fout<<l<<'\n';
}
inline void cerinta_3()
{
    fin>>x;
    while(l<r)
    {
        mi=l+(r-l)/2;
        if(r==mi+1)
            break;
        if(v[mi]>=x)
        {
            r=mi;
        }
        else
        {
            l=mi;
        }
    }
    fout<<r<<'\n';
}
inline void citire()
{
    fin>>n;
    for(int i=1; i<=n; i++)
        fin>>v[i];
    fin>>m;
    for(int i=0; i<m; i++)
    {
        l=0;
        r=n;
        fin>>intrebare;
        if(intrebare==0)
            cerinta_1();
        else if(intrebare==1)
            cerinta_2();
        else if(intrebare==2)
            cerinta_3();
    }

}

int main()
{
    citire();
    return 0;
}