Cod sursa(job #1713498)

Utilizator moise_alexandruMoise Alexandru moise_alexandru Data 5 iunie 2016 18:40:16
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.89 kb
#include <iostream>
#include <fstream>
#include <deque>
using namespace std;
ifstream in("secventa.in");
ofstream out("secventa.out");
const int maxn = 500005;
deque <int> dq;
int v[maxn];
int main()
{
    int n, k;
    in >> n >> k;
    for(int i = 1; i <= n; i++)
        in >> v[i];
    for(int i = 1; i < k; i++)
    {
        while(!dq.empty() && v[dq.back()] >= v[i])
            dq.pop_back();
        dq.push_back(i);
    }
    int mx = -(1 << 30);
    int poz = 0;
    for(int i = k; i <= n; i++)
    {
        while(!dq.empty() && v[dq.back()] >= v[i])
            dq.pop_back();
        dq.push_back(i);
        if(dq.front() <= i - k)
            dq.pop_front();
        if(mx < v[dq.front()])
        {
            mx = v[dq.front()];
            poz = dq.front();
        }
    }
    out << poz << " " << poz + k - 1 << " " << mx << "\n";
    return 0;
}