Cod sursa(job #1183833)

Utilizator tziplea_stefanTiplea Stefan tziplea_stefan Data 10 mai 2014 12:31:17
Problema Secventa Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.65 kb
#include <fstream>
#define NM 500005

using namespace std;

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

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

int main()
{
    fin >> n >> k;
    be=1;
    mx=-30005;
    for (i=1; i<=n; i++)
    {
        fin >> v[i];
        while (en>=be && v[i]<=v[q[en]])
          en--;
        en++;
        q[en]=i;
        while (be<=en && q[be]<i-k+1)
          be++;
        if (be<=en && i>=k && v[q[be]]>mx)
        {
            mx=v[q[be]];
            poz=i;
        }
    }
    fout << poz-k+1 << " " << poz << " " << mx << '\n';
    fin.close();
    fout.close();
    return 0;
}