Cod sursa(job #2588243)

Utilizator MateiAruxandeiMateiStefan MateiAruxandei Data 24 martie 2020 16:22:22
Problema Buline Scor 30
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.92 kb
#include <fstream>

#define NMAX 200005
using namespace std;

ifstream fin("buline.in");
ofstream fout("buline.out");

int v[2 * NMAX];

int main()
{
    int n;
    fin >> n;

    for(int i = 1; i <= n; ++i){
        int tip;
        fin >> v[i] >> tip;

        v[i] *= (tip == 0 ? -1 : 1);
    }
    for(int i = n + 1; i <= 2 * n; ++i)
        v[i] = v[i - n];

    int dp = 0, st, lgF, stF, maxx = -10005;
    for(int i = 1; i <= 2 * n; ++i){
        if(i == 1){
            dp = v[1];
            st = 1;
        }
        else {
            if(dp + v[i] < v[i] || (i == 2 * st)){
                dp = v[i];
                st = i;
            }
            else dp += v[i];

            if(dp > maxx){
                maxx = dp;
                stF = st;
                lgF = i - stF + 1;
            }
        }
    }
    fout << maxx << ' ' << stF << ' ' << lgF << '\n';
    return 0;
}