Cod sursa(job #1975410)

Utilizator pasoi_stefanPasoi Stefan pasoi_stefan Data 30 aprilie 2017 19:13:10
Problema Cautare binara Scor 40
Compilator cpp Status done
Runda Arhiva educationala Marime 0.67 kb
#include<fstream>
using namespace std;
ifstream in("cautbin.in");
ofstream out("cautbin.out");
int n,a[100001],m;
int main()
{
    in>>n;
    for(int i=1;i<=n;i++) in>>a[i];
    in>>m;
    for(int p,x;m;m--)
    {
        in>>p>>x;
        if(p==0)
        {
            int poz=-1;
            for(int i=1;i<=n;i++)
                if(a[i]==x) poz=i;
            out<<poz<<'\n';
        }
        else if(p==1)
        {
            for(int i=n,ok=1;i>=1 && ok;i--)
                if(a[i]<=x) out<<i<<'\n',ok=0;
        }
        else
        {
           for(int i=1,ok=1;i<=n && ok;i++)
                if(a[i]>=x) out<<i<<'\n',ok=0;
        }
    }
}