Cod sursa(job #617365)

Utilizator selea_teodoraSelea Teodora selea_teodora Data 14 octombrie 2011 17:54:59
Problema Combinari Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.53 kb
#include<stdio.h>
using namespace std;
int n,m,st[20];
int valid(int k)
{
	int i;
	for(i=1;i<k;i++)
		if(st[i]==st[k]||st[i]>st[i+1])
			return 0;
	return 1;
}
void afisare()
{
	int i;
	for(i=1;i<=m;i++)
		printf("%d ",st[i]);
	printf("\n");
}
void back(int k)
{
	int i;
	for(i=1;i<=n;i++)
	{
		st[k]=i;
		if(valid(k))
			if(k==m)
				afisare();
			else back(k+1);
	}
}

int main()
{
	freopen("combinari.in","r",stdin);
	freopen("combinari.out","w",stdout);
	scanf("%d %d",&n,&m);
	back(1);
	return 0;
}