Cod sursa(job #536374)

Utilizator Catah15Catalin Haidau Catah15 Data 18 februarie 2011 16:33:57
Problema Submultimi Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.46 kb
#include <fstream>
#define MAXN 18
using namespace std;

ifstream f("submultimi.in");
ofstream g("submultimi.out");

int n, x[MAXN];

void afisare()
{
	for(int i = 1; i <= n; ++i)
		if(!x[i])
			g << i << " ";
	g << '\n';
}


void back(int k)
{
	for(int i = 0; i <= 1; ++i)
	{
		x[k] = i;
		
		if(k == n)
			afisare();
		else 
			back(k + 1);
	}
}


int main()
{
	f >> n;
	
	back(1);
	
	f.close();
	g.close();
	
	return 0;
}