Cod sursa(job #568721)

Utilizator Alexandru13Dumitraiche Marius-Alexandru Alexandru13 Data 31 martie 2011 17:08:43
Problema Combinari Scor 90
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 kb
#include<fstream.h>
int x[19],n,p;
ifstream f("combinari.in");
ofstream g("combinari.out");
int valid(int k)
{
	for(int i=1;i<k;i++)
		if(x[k]<=x[i])
			return 0;
		return 1;
}
void back(int k)
{
	int i;
	if(k==p+1)
	{
		for(i=1;i<=p;i++)
			g<<x[i]<<" ";
		g<<'\n';
	}
	else
		for(i=1;i<=n;i++)
		{
			x[k]=i;
			if(valid(k))
				back(k+1);
		}
}
int main()
{
	f>>n>>p;
	back(1);
f.close();
g.close();
return 0;
}