Cod sursa(job #2048430)

Utilizator alex2704Pirvuceanu Alexandru alex2704 Data 25 octombrie 2017 23:55:24
Problema Cautare binara Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.7 kb
#include <fstream>
#include <algorithm>

using namespace std;
ifstream f("cautbin.in");
ofstream g("cautbin.out");

int v[100100];

int main()
{
    int n,m,x,y,i,t;
    f>>n;
    for(i=1;i<=n;i++)
        f>>v[i];
    f>>m;
    for(i=1;i<=m;i++)
    {
        f>>t>>y;
        if(t==0)
        {
            x=upper_bound(v+1,v+n+1,y)-v-1;
            if(x<=n&&x>=1&&v[x]==y)
                g<<x<<'\n';
            else g<<"-1"<<'\n';
        }
        else if(t==1)
        {
            x=lower_bound(v+1,v+n+1,y+1)-v-1;
            g<<x<<'\n';
        }
        else
        {
            x=upper_bound(v+1,v+n+1,y-1)-v;
            g<<x<<'\n';
        }
    }
    return 0;
}