Cod sursa(job #1786078)

Utilizator buzandanBuzan Dan Alexandru buzandan Data 22 octombrie 2016 12:53:22
Problema Submultimi Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.4 kb
#include <fstream>
using namespace std;

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

int main()
{
    int n, a {0};
    fin >> n;
    a = 1 << n;
    for(int i = 1; i < a; i++)
    {
        for(int j = 1; j <= n; j++)
            if(i & (1 << (j - 1)))
                fout << j << ' ';
        fout << '\n';
    }
    fin.close();
    fout.close();
    return 0;
}