Cod sursa(job #1123670)

Utilizator horiainfoTurcuman Horia horiainfo Data 26 februarie 2014 09:35:02
Problema Buline Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.64 kb
#include <fstream>
#include <cmath>
using namespace std;
ifstream fin("buline.in");
ofstream fout("buline.out");
long long n,i,s,smax,p,pmax,b,lg;
int a[400001];
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
    {
        fin>>a[i]>>b;
        if(b==0) a[i]=0-a[i];
        a[n+i]=a[i];
    }
    s=smax=a[1]; p=pmax=1;
    for(i=2;i<=2*n-1;i++)
    {
        if(i-pmax+1==n)
          s=a[i],p=i;
        if(s+a[i]>a[i]) s=s+a[i];
        else
            s=a[i],p=i;
        if(s>smax)
        {
            smax=s,pmax=p;
            lg=i-pmax+1;
        }
    }
    fout<<smax<<' '<<pmax<<' '<<lg;
    return 0;
}