Cod sursa(job #1959619)

Utilizator andradacojocaruAndrada Cojocaru andradacojocaru Data 9 aprilie 2017 18:27:12
Problema Cautare binara Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.95 kb
#include <iostream>
#include <fstream>

using namespace std;

int v[100001];
int main()
{
    ifstream fin("cautbin.in");
    ofstream fout("cautbin.out");
    int n,m,i,x,c,ok,j;
        fin>>n;
    for(i=1;i<=n;i++)
        fin>>v[i];
    fin>>m;
    for(i=1;i<=m;i++)
    {
        ok=0;
        fin>>c>>x;
    if(c==0)
        {
            for(j=n;j>=1 && ok==0;j--)
                if(v[j]==x)
            {
                fout<<j<<'\n';
                ok=1;
            }


        if(ok==0)
            fout<<-1<<'\n';
        }


     else if(c==1)
{


        for(j=n;j>1;j--)
            if(v[j]<=x)
            {

            fout<<j<<'\n';
            break;
            }
}

     else if(c==2)
    {
        for(j=1;j<=n;j++)
            if(v[j]>=x)
            {


            fout<<j<<'\n';
            break;
            }
    }
    }
    fin.close();
    fout.close();
    return 0;
}