Cod sursa(job #1844556)

Utilizator bt.panteaPantea Beniamin bt.pantea Data 10 ianuarie 2017 02:46:30
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.72 kb
#include <iostream>
#include <fstream>
#include <deque>
#define NMAX 500000
#define INF 1000000000
using namespace std;
ifstream f ("secventa.in");
ofstream g ("secventa.out");
int v[NMAX], n, k, Max = -INF, pos;
deque<int> d;

int main()
{
    f>>n>>k;
    int q = k - 1;
    for (int i = 0; i < q; i++)
    {
        f>>v[i];
        d.push_back(i);
    }
    for (int i = q; i < n; i++)
    {
        f>> v[i];
        while (!d.empty() && d.front() <= i - k) d.pop_front();
        while (!d.empty() && v[d.back()] >= v[i]) d.pop_back();
        d.push_back(i);
        if (Max < v[d.front()])
            Max = v[d.front()], pos = i;
    }
    g<<pos - k + 2<<' '<<pos + 1<<' '<<Max;
    return 0;
}