Cod sursa(job #268552)

Utilizator RobybrasovRobert Hangu Robybrasov Data 1 martie 2009 13:51:30
Problema Secventa 2 Scor 60
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.72 kb
#include <cstdio>
#define inf 0x3f3f3f3f
#define N 50001

int A[N],i,k,n,st,dr,kont,best,max;

int main()
{
	freopen("secv2.in","r",stdin);
	freopen("secv2.out","w",stdout);
    scanf("%d%d\n",&n,&k);
    for (i=1; i<=n; i++) scanf("%d",&A[i]);
    st=dr=1;
    kont=1;
    best=A[1];
    max=-inf;
    for (i=2; i<=n; i++)
    {
        if (best+A[i]>A[i] || kont<k)
        {
            best+=A[i];
            kont++;
            if (kont>=k && best>max)
            {
                dr=i;
                max=best;
            }
        }
        else
        {
            best=A[i];
            st=dr=i;
            kont=1;
        }
    }

    printf("%d %d %d\n",st,dr,max);

    return 0;
}