Cod sursa(job #2931972)

Utilizator Robert_MitriRobert Mitri Robert_Mitri Data 1 noiembrie 2022 13:29:10
Problema Secventa Scor 60
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.9 kb
#include <fstream>
#include <deque>
using namespace std;
ifstream fin("secventa.in");
ofstream fout("secventa.out");

int n,k;

int v[500005];

deque <int> q;

int maxim=-100000;
int st;
int dr;

int main()
{
    fin>>n>>k;
    for(int i=1; i<=n; i++)
    {
        fin>>v[i];
    }
    for(int i=1; i<=k; i++)
    {
        while(q.empty()==false && v[i]<v[q.back()])
        {
            q.pop_back();
        }
        q.push_back(i);
    }
    for(int i=k+1; i<=n; i++)
    {
        while(q.empty()==false && i-q.front()>=k)
        {
            q.pop_front();
        }
        while(q.empty()==false && v[i]<v[q.back()])
        {
            q.pop_back();
        }
        q.push_back(i);
        if(v[q.front()]>maxim)
        {
            maxim=v[q.front()];
            dr=i;
            st=dr-k+1;
        }
    }
    fout<<st<<" "<<dr<<" "<<maxim<<'\n';
}