Cod sursa(job #1881212)

Utilizator PaulStighiStiegelbauer Paul-Alexandru PaulStighi Data 16 februarie 2017 11:46:50
Problema Buline Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.02 kb
#include<fstream>
#define NMax 200005
using namespace std;
ifstream fin("buline.in");
ofstream fout("buline.out");

int N,S,P,L;
int Best,Start;
int A[2*NMax];

void Read()
{
    fin>>N;

    for(int i = 1 ; i <= N ; ++i)
    {
        int val;    bool col;
        fin>>val>>col;

        if(col) A[i] = A[i+N] = val;
        else    A[i] = A[i+N] = -val;
    }
}

void Solve()
{
    S = -10005; Start = 1;

    for(int i = 1 ; i < 2 * N ; ++i)
    {
        if(A[i] + Best < A[i])
        {
            Best =  A[i];
            Start = i;
        }
        else
            if(i - Start + 1 <= N )
                Best += A[i];

        if(Best > S)
        {
            S = Best;
            P = Start;
            L = i - Start + 1;
        }
    }
}

void Print()
{
    fout<<S<<" ";

    if(P > N)   fout<<P - N<<" ";
    else    fout<<P<<" ";

    fout<<L<<"\n";
}

int main()
{
    Read();
    Solve();
    Print();

    fin.close();
    fout.close();
    return 0;
}