Cod sursa(job #2309055)

Utilizator driver71528@gmail.comTerec Andrei-Sorin [email protected] Data 28 decembrie 2018 13:18:00
Problema Secventa Scor 80
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.95 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("secventa.in");
ofstream g("secventa.out");
int n,k;
pair<int,int> q[5000001];
int x[5000001];
int first=0,last=-1;



int main()
{
    f>>n>>k;
    int a;
    for(int i=1;i<k;i++)
    {
        f>>x[i];
        while(last!=first-1 && q[last].first>x[i])
            last--;
        q[++last]=make_pair(x[i],i);
    }
    int poz=q[first].second;
    for(int i=k;i<=n;i++)
    {
        f>>x[i];
        while(last!=first-1 && q[last].first>x[i])
            last--;
        q[++last]=make_pair(x[i],i);
        if(q[first].second<=i-k)
            first++;
        if(x[poz]<q[first].first)
            poz=q[first].second;
    }
    int st=poz-1;
    x[0]=-30001;
    while(x[st]>=x[poz])
        st--;
    st++;
    int dr=poz;
    if(dr-st+1<=k)
        dr+=(k-dr+st-1);
    g<<st<<' '<<dr<<' '<<x[poz];
    f.close();
    g.close();
    return 0;
}