Cod sursa(job #3133458)

Utilizator Ics.maker09Iancu Cezar-Stefan Ics.maker09 Data 25 mai 2023 18:24:14
Problema Secventa Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.02 kb
#include <bits/stdc++.h>
using namespace std;
ifstream f("secventa.in");
ofstream g("secventa.out");
const int nmax = 500005;
int n,k,V[nmax],poz,maxi=INT_MIN;
deque<int>Dq;

int main()
{
    f >>n >>k;
    for(int i=1;i<=n;i++)f>>V[i];
    Dq.push_back(1);
    for(int i=2;i<=k;i++)
    {
        while(!Dq.empty() && V[Dq.back()] > V[i])Dq.pop_back();
        Dq.push_back(i);
    }

    maxi=A[Dq.front()];
    poz=Dq.front();

    for(int i=k+1;i<=n;i++)
    {
        while(!Dq.empty() && Dq.front()+k-1<i)Dq.pop_front();
        while(!Dq.empty() && V[Dq.back()]>V[i])Dq.pop_back();
        Dq.push_back(i);

        if(maxi<V[Dq.front()])
        {
            maxi=V[Dq.front()];
            poz=Dq.front();
        }
    }

    int dr,st,d=1;
    dr =st=poz;

    for(int i=poz-1;i>=1 && d<k;i--)
    if(V[i]>=V[poz]){d ++;st = i;}
        else break;

    for(int i=poz+1;i<=n && d<k;i++)
        if(V[i]>=V[poz]){d++,dr = i;}
        else break;

    g<<st<<" "<<dr<<" "<<V[poz];