Cod sursa(job #767747)

Utilizator SteveStefan Eniceicu Steve Data 14 iulie 2012 18:13:04
Problema Buline Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.99 kb
#include <fstream>

using namespace std;

int N, S = -20000, poz, poz2;
int v[400005];

void Citire () {
    int a;
    ifstream fin ("buline.in");
    fin >> N;
    for (int i = 0; i < N; i++)
    {
        fin >> v[i] >> a;
        v[i] = (a ? v[i] : -v[i]);
        v[i + N] = v[i];
        if (S < v[i])
        {
            S = v[i];
            poz = i;
            poz2 = i;
        }
    }
    for (int i = 1; i < N << 1; i++)
        v[i] += v[i - 1];
    fin.close ();
}

void Business () {
    int mic = 20000, p1 = 0;
    for (int i = 0; i < p1 + N; i++)
    {
        if (i < N && mic > v[i]) mic = v[i], p1 = i;
        if (v[i] - mic > S)
        {
            S = v[i] - mic;
            poz = p1;
            poz2 = i;
        }
    }
}

void Scriere () {
    ofstream fout ("buline.out");
    fout << S << " " << poz + 2 << " " << poz2 - poz;
    fout.close ();
}

int main () {
    Citire ();
    Business ();
    Scriere ();
    return 0;
}