Cod sursa(job #211692)

Utilizator RobytzzaIonescu Robert Marius Robytzza Data 3 octombrie 2008 13:12:52
Problema Secventa Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.52 kb
#include <deque>
#include <stdio.h>

using namespace std;

deque <int> coada;

int sir[500010],n,k;
int start,max_min;

void citire()
{
    scanf ("%d %d",&n,&k);
    char ca[20],c;
    int nr=0;
    int numar;
    scanf("%c",&c);
    for (int i=0;i<n;i++)
    {
        numar=0;
        nr=0;
        scanf ("%c",&c);
        while (c!=' ' && c!='\n')
        {
            ca[nr++]=c;
            scanf("%c",&c);
        }
        nr--;
        while (nr>=0 && ca[nr]!='-')
        {
            numar+=numar*10+ca[nr]-'0';
            nr--;
        }
        if (ca[nr]=='-')
            numar*=-1;
        sir[i]=numar;
    }
}

void solve()
{
    start=0;
    for (int i=0;i<k;i++)
    {
        while (!coada.empty() && sir[coada.back()]>=sir[i])
            coada.pop_back();
        coada.push_back(i);
    }

    max_min=sir[coada.front()];

    for (int i=k;i<n;i++)
    {
        if (coada.front()==i-k)
            coada.pop_front();
        while(!coada.empty() && sir[coada.back()]>=sir[i])
            coada.pop_back();
        coada.push_back(i);
        if (sir[coada.front()]>max_min)
        {
                max_min=sir[coada.front()];
                start=i-k+1;
        }
    }
}

void afisare()
{
    //fout<<start+1<<" "<<start+k<<" "<<max_min<<"\n";
    printf("%d %d %d\n",start+1,start+k,max_min);
}

int main ()
{

freopen ("secventa.in","r",stdin);
freopen ("secventa.out","w",stdout);
    citire();
    solve();
    afisare();
    return 0;
}