Cod sursa(job #2676365)

Utilizator cyg_dawidDavid Ghiberdic cyg_dawid Data 24 noiembrie 2020 09:48:49
Problema Secventa Scor 80
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.81 kb
#include <fstream>
#include <deque>

using namespace std;
typedef long long ll;

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

deque <int> deck;

const int NMAX = 500005;
int v[NMAX];
int k, n;
int start, finish, val = -30105;

int main()
{
    ios::sync_with_stdio(0);
    fin.tie(0);
    fout.tie(0);

    fin >> n >> k;

    for(int i = 1; i <= n; i++) {
        fin >> v[i];
        while(!deck.empty() && deck.back() < i - k + 1) deck.pop_back();
        while(!deck.empty() && v[i] < v[deck.front()]) deck.pop_front();
        deck.push_front(i);

        if(i >= k && val < v[deck.back()]) {
            val = v[deck.back()];
            start = i - k + 1;
            finish = i;
        }
    }

    fout << start << " " << finish << " " << val << "\n";
    return 0;
}