Cod sursa(job #1026054)

Utilizator smallOneAdina Mateescu smallOne Data 10 noiembrie 2013 23:17:18
Problema Submultimi Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.49 kb
#include <iostream>
#include <stdio.h>

using namespace std;

int n;

int main()
{
    freopen("submultimi.in", "r", stdin);
    freopen("submultimi.out", "w", stdout);
    scanf("%d", &n);
    for (int i = 1; i <= (1 << n) - 1; i++) { // echivalent cu 2^n -1
        for (int j = 0; j < n; j++) {
            if (i & (1 << j)) // daca bitul e setat
               printf("%d ", j + 1); // afisez ce bit este setat (al catelea)
        }
        printf("\n");
    }
    return 0;
}