Cod sursa(job #1869743)

Utilizator rusepetruRuse Petru rusepetru Data 6 februarie 2017 09:41:49
Problema Cautare binara Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.72 kb
#include <fstream>
#include <algorithm>
using namespace std;
ifstream in ("cautbin.in");
ofstream out ("cautbin.out");
int n,i,v[100001],p,m,a,b;
int main()
{
    in>>n;
    for(i=1; i<=n; i++)in>>v[i];
    in>>m;

    while(m)
    {
        in>>a>>b;

        if(a==0)
        {
            p=upper_bound(v+1,v+n+1,b)-v;
            if(v[p-1]==b)out<<p-1<<'\n';
            else
            {
                out<<"-1"<<'\n';
            }
        }
        else{if(a==1)
        {
            p=upper_bound(v+1,v+n+1,b)-v;
            out<<p-1<<'\n';
        }
        else{
        {

            p=lower_bound(v+1,v+n+1,b)-v;
            out<<p<<'\n';
        }
    }}m--;}
    return 0;
}