Cod sursa(job #3273345)

Utilizator AndreiEsteNebunAndrei Mateescu AndreiEsteNebun Data 1 februarie 2025 18:48:30
Problema Secventa Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.89 kb
#include <iostream>
#include <fstream>
#include <deque>
using namespace std;

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

deque<int> d;

short int v[500005];

int main()
{
    int n,k;
    fin>>n>>k;
    for(int i=1; i<=n; i++)
    {
        fin>>v[i];
    }

    for(int i=1; i<=k; i++)
    {
        while(!d.empty()&&v[i]<=v[d.back()])
            d.pop_back();
        d.push_back(i);

    }

    long long int nmin=v[d.front()];
    int dr=k;
    int st=1;

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

        if(nmin<v[d.front()])
        {
            nmin=v[d.front()];
            st=i-k+1;
            dr=i;
        }
    }

    fout<<st<<' '<<dr<<' '<<nmin<<endl;
    return 0;
}