Cod sursa(job #1027629)

Utilizator iordache.bogdanIordache Ioan-Bogdan iordache.bogdan Data 12 noiembrie 2013 21:36:23
Problema Secventa Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.08 kb
#include <fstream>
#include <cstring>
using namespace std;

int n, k, v[500005], i, semn, nr, x, st, dr, maxim, pmax, d[500005];
char s[4000000];

int main()
{
    ifstream f("secventa.in");
    ofstream g("secventa.out");
    f>>n;f>>k;
    f.get();
    f.get(s,4000000);
    semn=1;
    for(i=0;s[i]!=0;i++)
    {
        if(s[i]=='-')
            semn=0-1;
        else
        if(s[i]==' ')
        {
            x++;
            v[x]=nr*semn;
            nr=0;
            semn=1;
        }
        else
            nr=nr*10+s[i]-'0';
    }
    x++;
    v[x]=nr*semn;
    //for(i=1;i<=x;i++)
      //  g<<v[i]<<" ";
    st = 1; dr = 0; maxim=-30010;

    for (i=1;i<=n;i++)
    {
        while (st<=dr && v[i] <= v[d[dr]])
            dr--;
        d[++dr]= i;
        if (i - d[st] == k)
            st++;
        if (i>=k)
            if (v[d[st]] > maxim)
            {
                maxim=v[d[st]];
                pmax=i;
            }
    }
    g<<pmax-k+1<<" "<<pmax<<" "<<maxim;
    g<<"\n";
    f.close();g.close();
    return 0;
}