Cod sursa(job #1770206)

Utilizator GeanaVladGeana Vlad GeanaVlad Data 3 octombrie 2016 21:31:16
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.71 kb
#include <iostream>
#include<fstream>
#define Nmax 500001
using namespace std;
ifstream f("secventa.in");
ofstream g("secventa.out");
long long n,k,i,a[Nmax],Deque[Nmax],Front,Back,mx=-30005,imx,jmx;
int main()
{
    f>>n>>k;
    for(i=1;i<=n;i++)
        f>>a[i];
    Front=1;
    Back=0;
    for(i=1;i<=n;i++)
    {
        while(Front<=Back && a[i]<=a[Deque[Back]])
            Back--;
        Deque[++Back]=i;
        if(Deque[Front]==i-k)
            Front++;
        if(i>=k)
            if(a[Deque[Front]]>mx)
            {
                mx=a[Deque[Front]];
                imx=Deque[Front];
                jmx=Deque[Front]+k-1;
            }
    }
    g<<imx<<' '<<jmx<<' '<<mx;
}