Cod sursa(job #597464)

Utilizator dspMihaiDespotovici Mihai dspMihai Data 22 iunie 2011 12:45:38
Problema Combinari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.52 kb
#include <stdio.h>
int n,k,st[19],ok[19],okk;

int validare (void)
{
	int i;
	okk=1;
	for (i=2; i<=k && okk; i++) if (st[i]<=st[i-1]) okk=0;
	return okk;
}

int back (int p) 
{
	int i;
	if (p==k)
	{
		if (validare())
		{
			for (i=1; i<=k; i++) printf("%d ", st[i]);
			printf("\n");
		}
	}
	else for (i=st[p]+1; i<=n; i++)
		{
			st[p+1]=i;
			back(p+1);
		}
}
int main () {
	freopen("combinari.in", "r", stdin);
	freopen("combinari.out", "w", stdout);
	scanf("%d %d", &n,&k);
	back(0);
	return 0;
}