Cod sursa(job #2013037)

Utilizator MaligMamaliga cu smantana Malig Data 20 august 2017 10:52:49
Problema Secventa Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.87 kb
#include <iostream>
#include <fstream>
#include <deque>

#define ll long long
#define ull unsigned long long
#define pb push_back
using namespace std;
ifstream in("secventa.in");
ofstream out("secventa.out");

const int NMax = 5e5 + 5;

int N,K;
int v[NMax];
deque<int> deq;

int main() {
    in>>N>>K;

    int mx = -1e5,st = -1,dr = -1;
    for (int i=1;i <= N;++i) {
        in>>v[i];

        while (deq.size() && v[deq.back()] >= v[i]) {
            deq.pop_back();
        }
        deq.push_back(i);
        if (deq.front() == i-K) {
            deq.pop_front();
        }

        if (i >= K) {
            if (v[deq.front()] > mx) {
                mx = v[deq.front()];
                dr = i;
                st = i-K+1;
            }
        }
    }
    out<<st<<' '<<dr<<' '<<mx<<'\n';

    in.close();out.close();
    return 0;
}