Cod sursa(job #1999963)

Utilizator RG1999one shot RG1999 Data 12 iulie 2017 14:05:23
Problema Cautare binara Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.75 kb
#include <bits/stdc++.h>

using namespace std;
int i,c,n,x,t,v[100001],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",&t);
    for(i=1;i<=t;i++)
    {
        scanf("%d%d",&c,&x);
        if(c==0)
        {
            poz=upper_bound(v+1,v+n+1,x)-v;
            if(v[poz-1]==x) printf("%d\n",poz-1);
            else
                printf("-1\n");
        }
        if(c==1)
        {
            poz=upper_bound(v+1,v+n+1,x)-v;
            printf("%d\n",poz-1);
        }

          if(c==2)
        {
           poz=lower_bound(v+1,v+n+1,x)-v;
            printf("%d\n",poz);
        }
    }
    return 0;
}