Cod sursa(job #409034)

Utilizator al_flAlexandru Flavian al_fl Data 3 martie 2010 13:31:57
Problema Submultimi Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int n,nr=-1;
int st[22];
void back()
{
	int i;
	for(i=1;i<=st[0];i++)
		g<<st[i];
	if(st[0])
		g<<n;
	for(i=st[st[0]]+1;i<=n;i++)
	{
		st[++st[0]]=i;
		back();
		st[st[0]]=0;
		st[0]--;
	}
}
int main()
{
	f>>n;
	back();
	return 0;
}