Cod sursa(job #3308739)

Utilizator andycristuAndrei Cristu andycristu Data 27 august 2025 19:19:04
Problema Buline Scor 20
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.16 kb
#include <fstream>
using namespace std;

ifstream cin("buline.in");
ofstream cout("buline.out");

int v[400001];

struct sumitizare {
    int val = 0;
    int p = 0;
    int l = 0;
};
sumitizare s;

int main() {
    int n, i, p = 0, l = 0, c;
    int s_max = -2000000000;  // foarte mic
    cin >> n;

    for (i = 1; i <= n; i++) {
        cin >> v[i] >> c;
        if (c == 0) v[i] = -v[i];
    }

    for (i = n + 1; i <= 2 * n - 1; i++) {
        v[i] = v[i - n];
    }

    s.p = 1;
    for (i = 1; i <= 2 * n - 1; i++) {
        if (s.val + v[i] >= v[i] && s.l < n) {
            s.val += v[i];
            s.l++;
            if (s.l == 1) s.p = i;
            if (s.val > s_max) {
                s_max = s.val;
                p = s.p;
                l = s.l;
            }
        } else if (s.val + v[i] < v[i] || s.l == n) {
            s.val = v[i];
            s.p = i;
            s.l = 1;
            if (s.val > s_max) {
                s_max = s.val;
                p = s.p;
                l = s.l;
            }
        }
    }

    if (p > n) p -= n;
    cout << s_max << " " << p << " " << l;
    return 0;
}