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#include <iostream>
#include <fstream>
using namespace std;
ofstream fout("submultimi.out");
void f(int szint, int n, int megoldas[])
{
if (szint == n) {
bool mindnulla = true;
for (int i = 0; i < n; i++) {
if (megoldas[i] == 1) {
mindnulla = false;
fout << i+1 << " ";
}
}
if (!mindnulla)
fout << "\n";
}
else {
for (int i = 0; i <= 1; i++) {
megoldas[szint] = i;
f(szint+1, n, megoldas);
}
}
}
int main()
{
ifstream fin("submultimi.in");
int n;
fin >> n;
int megoldas[20];
f(0, n, megoldas);
return 0;
}