Cod sursa(job #1677370)

Utilizator EberardoVladianu Cosmin Eberardo Data 6 aprilie 2016 15:31:53
Problema Secventa Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.89 kb
#include <fstream>
#include <deque>
using namespace std;

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

int n,k;
int v[500005];
int maxim=-30001;
int pozi=1,pozf=1;

deque<int>q;

void citire()
{
    int i;

    fin>>n>>k;
    for(i=1;i<=n;i++)
        fin>>v[i];
}

void rez()
{
    int i,minim,poz;
    for(i=1;i<=n;i++)
    {
        while(!q.empty() and v[i]<=v[q.back()])
        {
            q.pop_back();
        }
        q.push_back(i);
        if(q.front()==i-k)
            q.pop_front();
        if(i>=k)
        {
            poz=q.front();
            minim=v[q.front()];
            if(minim>maxim)
            {
                maxim=minim;
                pozi=i-k+1;
                pozf=i;
            }
        }
    }
}


int main()
{

    citire();
    rez();

    fout<<pozi<<' '<<pozf<<' '<<maxim;

    return 0;
}