Cod sursa(job #2013228)

Utilizator stefdascalescuStefan Dascalescu stefdascalescu Data 20 august 2017 20:14:52
Problema Buline Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.73 kb
#include<fstream>
using namespace std;
ifstream f("buline.in");
ofstream g("buline.out");
long long sum, n,rez,a, poz1, poz2, pozz=1;
long long v[400002],b;
int main()
{
    f>>n;
    rez=-10001;
    for(int i=1;i<=n;++i)
    {
        f>>a>>b;
        if(b==0)
            a=-a;
        v[i]=a,v[n+i]=a;
    }
    for (int i = 1; i <=2* n; i++)
    {
        if(i-pozz>n)
            sum-=v[i-n],++pozz;
        if (sum<0)
        {
            pozz = i;
            sum = v[i];
        }
        else
            sum = sum + v[i];
        if (sum > rez)
        {
            rez = sum;
            poz1 = pozz;
            poz2 = i;
        }
    }
    g<<rez<<" "<<poz1<<" "<<poz2-poz1+1;
    return 0;
}