Cod sursa(job #1803410)

Utilizator andreigasparoviciAndrei Gasparovici andreigasparovici Data 11 noiembrie 2016 13:43:04
Problema Secventa Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.42 kb
#include <iostream>
#include <cstdio>
#include <climits>
using namespace std;

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

//class Deque
//{
//private:
    int inc,sf;
    long long int arr[5000001];
//public:
  //  Deque()
    //{
      //  inc=sf=0;
    //}
    void adauga_sfarsit(int x)
    {
        arr[sf]=x;
        sf++;
    }
    int prim()
    {
        return arr[inc];
    }
    int ultim()
    {
        return arr[sf-1];
    }
    void scoate_prim()
    {
        inc++;
    }
    void scoate_ultim()
    {
        sf--;
    }
    bool vida()
    {
        return sf-inc==0;
    }
//}d;

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

    adauga_sfarsit(1);

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

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