Cod sursa(job #1699901)

Utilizator moise_alexandruMoise Alexandru moise_alexandru Data 8 mai 2016 19:52:42
Problema Submultimi Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.67 kb
#include <fstream>
using namespace std;
ifstream in("submultimi.in");
ofstream out("submultimi.out");
const int maxn = 20;
int v[maxn];
int n;

string s;
inline void add(int x)
{
    if(x <= 9)
        s += (char)(x + '0');
    else
    {
        s += "1";
        s += (char)(x % 10 + '0');
    }
    s += " ";
}
int main() {
    in >> n;
    for(int conf = 1 ; conf < (1 << n) ; ++ conf) {
        s = "";
        for(int i = 0 ; i < n;  ++ i) {
            /// testam daca conf are bitul i setat, in caz afirmativ, afisam (i + 1)
            if(conf & (1 << i))
                add(i + 1);
        }
        out << s << "\n";
    }
    return 0;
}