Cod sursa(job #2627325)

Utilizator MerlinTheWizardMelvin Abibula MerlinTheWizard Data 10 iunie 2020 14:15:16
Problema Cautare binara Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.48 kb
#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
int N,v[100],M,intr,x;
int main()
{
    fin>>N;
    int poz=-1,mij;
    for(int i=0;i<N;i++){
        fin>>v[i];
    }
    fin>>M;
    int st=1,dr=N;
    while(M){
        fin>>intr>>x;
        if(intr==0){
            while(st<=dr)
            {
               mij=(st+dr)/2;
               if(v[mij]==x)
               {
                  poz=mij;
                  st=mij+1;
               }
               else if(v[mij]<x)
               {
                  st=mij+1;
               }
               else
                  dr=mij-1;
            }
            fout<<poz+1<<"\n";
            M--;
            st=1;
            dr=N;
        }
        if(intr==1){
            while(st<=dr)
    {
        mij=(st+dr)/2;
        if(v[mij]<=x)
        {
            poz=mij;
            st=mij+1;
        }
        else if(v[mij]<x)
        {
            st=mij+1;
        }
        else
            dr=mij-1;
    }

    fout<<poz+1<<"\n";
    M--;
     st=1;
     dr=N;
        }
    if(intr==2){
            while(st<=dr)
    {
        mij=(st+dr)/2;
        if(v[mij]>=x)
        {
            poz=mij;
            dr=mij-1;
        }
        else if(v[mij]<x)
        {
            st=mij+1;
        }
        else
            dr=mij-1;
    }

    fout<<poz+1<<"\n";
    M--;
     st=1;
    dr=N;
        }
    }
}