Cod sursa(job #1222409)

Utilizator adimitudorTudor Adimi adimitudor Data 23 august 2014 11:01:59
Problema Cautare binara Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.69 kb
#include <fstream>
#include <algorithm>
#define N 100010
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,m,i,x[N],cod,val,*lb,*ub;
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
        fin>>x[i];
    fin>>m;
    for(;m;m--)
    {
        fin>>cod>>val;
        lb=lower_bound(x+1,x+n+1,val);
        ub=upper_bound(x+1,x+n+1,val);
        if(cod==0)
        {
            if(ub==lb)
                fout<<"-1\n";
            else
                fout<<(int)(ub-x)-1<<'\n';

        }
        else
        if(cod==1)
            fout<<(int)(ub-x)-1<<'\n';
        else
            fout<<(int)(lb-x)<<'\n';
    }
    return 0;
}