Cod sursa(job #1181614)

Utilizator tziplea_stefanTiplea Stefan tziplea_stefan Data 3 mai 2014 12:31:55
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.66 kb
#include <fstream>
#define NM 500005

using namespace std;

ifstream fin("secventa.in");
ofstream fout("secventa.out");

int n,k,i,v[NM],poz[NM],be,en,be2,en2,mx;

int main()
{
    fin >> n >> k;
    be=1;
    for (i=1; i<=n; i++)
    {
        fin >> v[i];
        while (en>=be && v[i]<=v[poz[en]])
          en--;
        en++;
        poz[en]=i;
        if (i>=k)
        {
            while (be<=en && poz[be]<i-k+1)
              be++;
            if (v[poz[be]]>mx)
              mx=v[poz[be]];
            en2=i;
        }
    }
    fout << en2-k+1 << " " << en2 << " " << mx << '\n';
    fin.close();
    fout.close();
    return 0;
}