Cod sursa(job #1631160)

Utilizator adi999Ciurea Adrian adi999 Data 5 martie 2016 13:25:00
Problema Cautare binara Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.07 kb
#include <fstream>
using namespace std;
ifstream in("cautbin.in");
ofstream out("cautbin.out");
int v[100001];
int main()
{
    int n,m,i,gasit=0,st,dr,mij,nr,c,d,k,j,x;
    in>>n;
    st=1;
    dr=n;
    for(i=1; i<=n; i++)
    {
        in>>v[i];
    }
    in>>m;
    for(i=1;i<=m;i++)
    {
        in>>d;
        in>>x;
        while(gasit==0 && st<=dr)
        {
        mij=(st+dr)/2;
        if(x>v[mij])
            st=mij+1;
        else if(x<v[mij])
            dr=mij-1;
        else if(x==v[mij])
        {
            gasit=1;
            nr=mij;
        }
        }
        if(d==0)
        {
            while(v[nr]==x)
            {
                nr++;
            }
            out<<nr-1<<'\n';
        }
        if(d==1)
        {
            while(v[nr]<=x)
            {
                nr++;
            }
            out<<nr-1<<'\n';
        }
        if(d==2)
        {
            while(v[nr]>=x)
            {
                nr--;
            }
            out<<nr+1;
        }
    }


    return 0;
}