Cod sursa(job #1121483)

Utilizator horiainfoTurcuman Horia horiainfo Data 25 februarie 2014 12:58:43
Problema Buline Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.55 kb
#include <fstream>

using namespace std;
ifstream fin("buline.in");
ofstream fout("buline.out");
long long n,i,d,s,st,b,j,p,l;
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];
    }
    for(i=1;i<=n;i++)
    {
        d=d+a[i];
        if(d>st) st=d,p=1,l=i;
        s=d;
        for(j=i+1;j<=n+i;j++)
        {
            s=s-a[j-i]+a[j];
            if(s>st) st=s,p=j-i+1,l=i;
        }
    }
    fout<<st<<' '<<p<<' '<<l;
    return 0;
}