Cod sursa(job #1803407)

Utilizator andreigasparoviciAndrei Gasparovici andreigasparovici Data 11 noiembrie 2016 13:40:53
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.92 kb
#include <iostream>
#include <cstdio>
#include <climits>
using namespace std;

int n,k;
int maxim=INT_MIN;
int a[5000001],sfarsit;

int inc,sf;
long long int arr[5000001];

void solve()
{
    scanf("%d %d",&n,&k);
    for(int i=1;i<=n;i++)
        scanf("%d",&a[i]);

    arr[++sf]=1;

    for(int i=2;i<k;i++)
    {
        while(sf-inc!=0 && a[arr[sf-1]]>a[i])
            sf--;
        arr[++sf]=i;
    }

    for(int i=k;i<=n;i++)
    {
        if(sf-inc!=0 && arr[inc]<=i-k)
                inc++;
        while(sf-inc!=0 && a[arr[inc]]>a[i])
                sf--;
        arr[++sf]=i;

        if(a[arr[inc]]>maxim && i>=k-1)
        {
            maxim=a[arr[inc]];
            sfarsit=i;
        }
    }

    printf("%d %d %d\n",sfarsit-k+1,sfarsit,maxim);
}

int main()
{
    freopen("secventa.in","r",stdin);
    freopen("secventa.out","w",stdout);
    solve();
    return 0;
}