Cod sursa(job #2280088)

Utilizator maria_sinteaMaria Sintea maria_sintea Data 10 noiembrie 2018 11:21:36
Problema Submultimi Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.57 kb
#include <iostream>
#include <cstdio>
#define N 20

using namespace std;

int n, sol[N], ok;

void afisare()
{
    for(int i=1;i<=n;i++)
        if(sol[i]==1)
            printf("%d ", i);
    printf("\n");
}

void bt(int k)
{
    if(k==n+1)
    {
        if(ok)
            afisare();
        ok=1;
        return;
    }
    for(int v=0;v<2;v++)
    {
        sol[k]=v;
        bt(k+1);
    }
}

int main()
{
    freopen("submultimi.in", "r", stdin);
    freopen("submultimi.out", "w", stdout);

    scanf("%d", &n);
    bt(1);
    return 0;
}