Cod sursa(job #522124)

Utilizator antonioteoZait Teodor Antonio antonioteo Data 14 ianuarie 2011 13:43:22
Problema Submultimi Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.47 kb
#include<fstream.h>
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int n,x[17],k,i,j,s[17];
void afis()
{
	for(int i=1;i<=n;i++) if(x[i]) g<<i<<' ';
	g<<'\n';
}
void back()
{
	k = 1;
	x[k] = - 1;
	do
	{
		while(x[k] < 1)
		{
			x[k]++;
			s[k] = s[k - 1] + x[k];
			if(k == n)
			{
				if(s[n]) afis();
			}
			else 
			{
				k++;x[k] = -1;
			}
		}
		k--;
	}
	while(k);
}
int main()
{
	f>>n;
	back();
	g.close();
	return 0;
}