Cod sursa(job #3165249)

Utilizator andystarzSuna Andrei andystarz Data 5 noiembrie 2023 18:35:10
Problema Secventa Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.87 kb
#include <fstream>
#include <iostream>

using namespace std;
int dq[500005];
int st=1, dr=0;
int v[500005];
void push (int a)
{
    while (st<=dr&&v[dq[dr]]>v[a])
    {
        dq[dr]=0;
        dr--;
    }
    dr++;
    dq[dr]=a;
}

void slide(int poz)
{
    while (st<=dr&&dq[st]<=poz)
    {
        dq[st]=0;
        st++;
    }
}

int main()
{
    ifstream cin ("secventa.in");
    ofstream cout ("secventa.out");
    int n, k;
    int pos=0;
    int maxx=-2100000000;
    cin>>n>>k;
    for (int i=1; i<=n; i++)
    {
        cin>>v[i];
        push(i);
        slide(i-k);
        /*for (int j=st; j<=dr; j++)
        {
            cout<<v[dq[j]]<<" ";
        }
        cout<<'\n';*/
        if (i>=k&&v[dq[st]]>maxx)
        {
            maxx=v[dq[st]];
            pos=i;
        }
    }
    cout<<pos-k+1<<" "<<pos<<" "<<maxx;
}