Cod sursa(job #2789170)

Utilizator pielevladutPiele Vladut Stefan pielevladut Data 26 octombrie 2021 23:41:53
Problema Secventa Scor 80
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.8 kb
#include <bits/stdc++.h>

using namespace std;

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

int n, k;
int v[500005];
deque<int> dq;

int main()
{
    fin >> n >> k;
    for(int i = 1; i <= n; i ++)
    {
        fin >> v[i];
    }
    int ans = INT_MIN, l = 0, r = 0;
    for(int i = 1; i <= n; i ++)
    {
        while(!dq.empty() && v[dq.back()] >= v[i])
        {
            dq.pop_back();
        }
        dq.push_back(i);
        if(i - dq.front() >= k)
        {
            dq.pop_front();
        }
        if(i >= k)
        {
            if(v[dq.front()] > ans)
            {
                ans = v[dq.front()];
                l = i - k + 1;
                r = i;
            }
        }
    }
    fout << l << ' ' << r << ' ' << ans << '\n';
}