Cod sursa(job #1690884)

Utilizator alexilasiAlex Ilasi alexilasi Data 16 aprilie 2016 08:27:50
Problema Cautare binara Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.75 kb
#include <cstdio>
#include <algorithm>

using namespace std;
int n,i,v[100001],x,m,c,poz;
int main()
{
    freopen("cautbin.in","r",stdin);
    freopen("cautbin.out","w",stdout);
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        scanf("%d",&v[i]);
    scanf("%d",&m);
    for(i=1;i<=m;i++)
    {
        scanf("%d %d",&c,&x);
        if(c==0)
        {
            poz=upper_bound(v+1,v+n+1,x)-v-1;
            if(v[poz]==x)printf("%d\n",poz);
            else printf("-1\n");
        }
        if(c==1)
        {
            poz=upper_bound(v+1,v+n+1,x)-v-1;
            printf("%d\n",poz);
        }
        if(c==2)
        {
            poz=lower_bound(v+1,v+n+1,x)-v;
            printf("%d\n",poz);
        }
    }
    return 0;
}