Cod sursa(job #422041)

Utilizator gabipurcaruGabi Purcaru gabipurcaru Data 22 martie 2010 07:33:57
Problema Combinari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <fstream>
#include <algorithm>
using namespace std;

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

bool b[20];
short i,n,k;

int main()
{
	in>>n>>k;
	for(i=0; i<k; i++)
		b[i] = true;
	do
	{
		for(i=0; i<n; i++)
			if(b[i])
				out<<i+1<<' ';
		out<<'\n';
	}
	while(prev_permutation(b,b+n));
	return 0;
}