Cod sursa(job #158310)

Utilizator mike4problemsRadu Gabriel mike4problems Data 13 martie 2008 16:25:59
Problema Combinari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.32 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;

int n,x;
int perm[20];

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

void back(int k)
{
	int i;
	if(k>x)
	{
		for(i=1;i<=x;i++)
			g<<perm[i]<<' ';
		g<<'\n';
		return;
	}
	for(i=perm[k-1]+1;i<=n;i++)
	{
		perm[k]=i;
		back(k+1);
	}
}

int main()
{
	f>>n>>x;
	back(1);
}