Cod sursa(job #2681197)

Utilizator IvanAndreiIvan Andrei IvanAndrei Data 5 decembrie 2020 09:48:04
Problema Cautare binara Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.29 kb
#include <fstream>
using namespace std;
ifstream in("cautbin.in");
ofstream out("cautbin.out");
int V[100001];
int main()
{
    int n, m, st, dr, q, val, med, ans;
    in>>n;
    for(int i=1;i<=n;i++)
        in>>V[i];
    in>>m;
    for(int i=1;i<=m;i++)
    {
        in>>q>>val;
        st=0;
        dr=n-1;
        if(q==0)
        {
            while(st<=dr)
            {
                med=(st+dr)/2;
                if(V[med]<=val)
                {
                    ans=med;
                    st=med+1;
                }
                else
                    dr=med-1;
            }
        }
        if(q==1)
        {
            while(st<=dr)
            {
                med=(st+dr)/2;
                if(V[med]<=val)
                {
                    ans=med;
                    st=med+1;
                }
                else
                    dr=med-1;
            }
        }
        if(q==2)
        {
            while(st<=dr)
            {
                med=(st+dr)/2;
                if(V[med]>=val)
                {
                    ans=med;
                    dr=med-1;
                }
                else
                    st=med+1;
            }
        }
        out<<ans<<'\n';
    }
    return 0;
}