Cod sursa(job #1741814)

Utilizator hanganflorinHangan Florin hanganflorin Data 15 august 2016 11:17:22
Problema Loto Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.81 kb
#include <fstream>
using namespace std;

ifstream is("loto.in");
ofstream os("loto.out");

int n, S, s, a[101], x[7];
bool gasit = false;
void Comb(int k);
void Write();

int main()
{
    is >> n >> S;
    for ( int i = 1; i <= n; ++i )
        is >> a[i];
    x[0] = 1;
    Comb(1);
    if ( !gasit )
        os << -1;
    is.close();
    os.close();
    return 0;
}
void Comb(int k)
{
    if ( s > S )
        return;
    if ( k > 6 )
    {
        if ( s == S )
            Write();
        return;
    }
    for ( int i = x[k-1]; i <= n; ++i )
    {
        x[k] = i;
        s += a[i];
        Comb(k+1);
        if ( gasit )
            return;
        s -= a[i];

    }
}
void Write()
{
    gasit = true;
    for ( int i = 1; i <= 6; ++i )
        os << x[i] << ' ';
}