Cod sursa(job #2258591)

Utilizator Mihai145Oprea Mihai Adrian Mihai145 Data 11 octombrie 2018 18:12:06
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.79 kb
#include <fstream>
#include <climits>

using namespace std;

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

int N, K, maxEl = INT_MIN, st, dr, v[500005];
int deq[500005], stdeq, drdeq;

int main()
{
    fin >> N >> K;
    for(int i = 1; i <= N; i++)
        fin >> v[i];

    stdeq = 1, drdeq = 0;
    for(int i = 1; i <= N; i++)
    {
        while(drdeq && v[i] <= v[drdeq])
            drdeq--;
        deq[++drdeq] = i;

        if(deq[drdeq] - deq[stdeq] >= K)
            ++stdeq;

        if(i >= K)
        {
            if(v[deq[stdeq]] > maxEl)
            {
                maxEl = v[deq[stdeq]];
                st = i - K + 1;
                dr = i;
            }
        }
    }

    fout << st << ' ' << dr << ' ' << maxEl;

    return 0;
}