Cod sursa(job #1448622)

Utilizator iulianrotaruRotaru Gheorghe-Iulian iulianrotaru Data 7 iunie 2015 17:45:25
Problema Cautare binara Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 1.07 kb
#include <fstream>
using namespace std;
ifstream f("cautbin.in");
ofstream g("cautbin.out");
int n,i,tip,x,st,dr,mij,m,v[100002];
int main()
{
    f>>n;
    for(i=1;i<=n;i++) f>>v[i];
    f>>m;
    while(m--)
    {
        f>>tip>>x;
        if(!tip)
        {
            st=1; dr=n;
            while(st<=dr)
            {
                mij=(st+dr)/2;
                if(v[mij]<=x) st=mij+1;
                else dr=mij-1;
            }
            if(v[dr]==x) g<<dr<<'\n';
            else g<<-1<<'\n';
        }
        else if(tip==1)
        {
            st=1; dr=n;
            while(st<=dr)
            {
                mij=(st+dr)/2;
                if(v[mij]<=x) st=mij+1;
                else dr=mij-1;
            }
            g<<dr<<'\n';
        }
        else
        {
            st=1; dr=n;
            while(st<=dr)
            {
                mij=(st+dr)/2;
                if(v[mij]<x) st=mij+1;
                else dr=mij-1;
            }
            g<<st<<'\n';
        }
    }
    g.close();
    return 0;
}