Cod sursa(job #1880004)

Utilizator GeorgeCalinPetruta George-Calin GeorgeCalin Data 15 februarie 2017 12:36:09
Problema Cautare binara Scor 40
Compilator cpp Status done
Runda Arhiva educationala Marime 0.75 kb
#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");

int v[100002];
int n,m,p,x;

int main()
{
    fin>>n;
    for(int i=1;i<=n;i++)
    {
        fin>>v[i];
    }
    fin>>m;
    for(int i=1;i<=m;i++)
    {
        fin>>p>>x;
        if(p==0)
        {
            int q=upper_bound(v+1,v+n+1,x)-v-1;
            if(v[q]!=x)
                fout<<-1;
            else
                fout<<q;
        }
        if(p==1)
        {
            int q=lower_bound(v+1,v+n+1,x+1)-v-1;
            fout<<q;
        }
        if(p==2)
        {
            int q=upper_bound(v+1,v+n+1,x-1)-v;
            fout<<q;
        }
        fout<<endl;
    }
    return 0;
}