Cod sursa(job #1201602)

Utilizator diana97Diana Ghinea diana97 Data 25 iunie 2014 15:11:29
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.73 kb
#include <iostream>
#include <fstream>
#include <deque>

using namespace std;

ifstream f ("secventa.in");
ofstream g ("secventa.out");

int n, k;
int v[500001];
deque <int> d;

void citeste () {
    f >> n >>k;
    for (int i = 1; i <= n; i++) f >> v[i];
}

void rezolva () {
    int sol = -1, poz;
    for (int i = 1; i <= n; i++) {
        while (!d.empty () && v[d.back()] > v[i]) d.pop_back();
        d.push_back(i);
        if (i - d.front() == k) d.pop_front();
        if (i >= k && v[d.front()] > sol) {
            poz = i;
            sol = v[d.front()];
        }
    }
    g << poz - k + 1 << ' ' << poz << ' ' << sol << '\n';
}

int main () {
    citeste ();
    rezolva ();
    return 0;
}