Cod sursa(job #2578389)

Utilizator Giulian617Buzatu Giulian Giulian617 Data 10 martie 2020 23:07:48
Problema Cautare binara Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.64 kb
#include <bits/stdc++.h>
using namespace std;
ifstream f("cautbin.in");
ofstream g("cautbin.out");
const int NMAX=100005;
int n,m,op,x,v[NMAX];
int main()
{
    f>>n;
    for(int i=1; i<=n; i++)
        f>>v[i];
    f>>m;
    for(int i=1; i<=m; i++)
    {
        f>>op>>x;
        if(op==0)
        {
            int a=upper_bound(v+1,v+n+1,x)-v-1;
            if(a>=1 && a<=n && v[a]==x)
                g<<a;
            else
                g<<-1;
        }
        else if(op==1)
            g<<lower_bound(v+1,v+n+1,x+1)-v-1;
        else
            g<<upper_bound(v+1,v+n+1,x-1)-v;
        g<<"\n";
    }
    return 0;
}