Cod sursa(job #2137881)

Utilizator IoanMihaiIoan Mihai IoanMihai Data 21 februarie 2018 08:48:55
Problema Cautare binara Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.59 kb
#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
int n,m,i,p,x,v[100001],y;
int main()
{
    fin>>n;
    for (i=1;i<=n;i++)
        fin>>v[i];
    fin>>m;
    for (i=1;i<=m;i++)
    {
    fin>>p>>x;
    if (p==0)
    {
    y=upper_bound(v+1,v+n+1,x)-v;
    if (v[y-1]==x) fout<<y-1<<'\n';
    else fout<<"-1"<<'\n';
    }
    if (p==1)
    {
    y=upper_bound(v+1,v+n+1,x)-v;
    fout<<y-1<<'\n';
    }
    if (p==2)
    {
    y=lower_bound(v+1,v+n+1,x)-v;
    fout<<y<<'\n';
    }
    }
    return 0;
}