Cod sursa(job #314998)

Utilizator funkydvdIancu David Traian funkydvd Data 13 mai 2009 23:19:49
Problema Dusman Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.75 kb
#include<stdio.h>
#include<stdlib.h>

int n,m,k2,k3,sol[1001];
char mat[1001][1001];

void afisare()
{
	for(int i=1;i<=n;++i)
		printf("%d ",sol[i]);
	printf("\n");
}

char valid(int k)
{
	for(int i=1;i<k;++i)
		if(sol[i]==sol[k])
			return 0;
	if (mat[sol[k]][sol[k-1]]) return 0;
	return 1;
}

void back(int k)
{

	if (k==n+1)
	{
	  k3++;
	  if (k3==k2)
	  {
	   afisare();
	   exit (EXIT_SUCCESS);
	  }
	return;
	}
	for(int i=1;i<=n;++i)
	{
		sol[k]=i;
		if(valid(k))
			back(k+1);
	}
}

int main()
{
	freopen("dusman.in","r",stdin);
	freopen("dusman.out","w",stdout);
	scanf("%d%d%d",&n,&k2,&m);
	int a,b;
	for (int i=1; i<=m; i++) {scanf("%d%d", &a, &b); mat[a][b]=1; mat[b][a]=1;}
	k3=0;
	back(1);
	return 0;
}