Cod sursa(job #1114296)

Utilizator diib1023Cursi FTW diib1023 Data 21 februarie 2014 14:33:40
Problema Secventa 2 Scor 80
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.83 kb
#include <iostream>
#include <fstream>

using namespace std;
ifstream f("secv2.in");
ofstream g("secv2.out");

int n,v[50001],sfmax,incmax,inceput,k;
long long S,Smax;
int main()
{
    f>>n;  f>>k;
    for (int i=1; i<=n; ++i)
        f>>v[i];
    S=v[1];
    if (k==1) Smax=v[1],incmax=sfmax=1;
    inceput=1;
    if (S<0) S=0;
    for (int i=2; i<=n; ++i)
        {
            S=S+v[i];
            if (S>Smax)
               if ((i-inceput+1)>=k)
                {
                    Smax=S;
                    sfmax=i;
                    incmax=inceput;
                }
            if (S<0)
                {
                    S=0;
                    if ((n-inceput+1)>=k) inceput=i+1;
                }
        }
    g<<incmax<<' '<<sfmax<<' '<<Smax<<'\n';
    f.close(); g.close();
    return 0;
}