Cod sursa(job #572040)

Utilizator TeodoraTanaseTeodora Tanase TeodoraTanase Data 4 aprilie 2011 23:08:23
Problema Buline Scor 0
Compilator cpp Status done
Runda brasov_11_jr Marime 0.9 kb
#include <cstdio>

using namespace std;

const int M=400000;
int n, a[M], p, l, s, x, smax, lmin, pmin;

void citire()
{
    scanf ("%d ",&n);
    for (int i=0; i<n; ++i)
    {
        scanf ("%d %d ",&a[i],&x);
        if (x==0)
            a[i]*=(-1);
    }
    for (int i=n; i<2*n; ++i)
        a[i]=a[i-n];
}

void parcurge()
{
    s=a[0];
    for (int i=1; i<2*n; ++i)
    {
        if (s+a[i]>=a[i])
        {
            s+=a[i];
            ++l;
            if (l>n)
                break;
        }
        else
        {
            s=a[i];
            l=0;
            p=i;
        }
        if (s>smax)
        {
            smax=s;
            lmin=i-l+1;
        }
    }
}

int main()
{
    freopen ("buline.in","r",stdin);
    freopen ("buline.out","w",stdout);
    citire();
    parcurge();
    printf ("%d %d %d\n",smax,p+1,lmin+1);
    return 0;
}