Cod sursa(job #328477)

Utilizator GheorgheMihaiMihai Gheorghe GheorgheMihai Data 2 iulie 2009 11:26:02
Problema Dusman Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.62 kb
#include<stdio.h>
int n,sol,m;
int st[1024];
int f[1024];
int x[1005][1005];

void read()
{
	freopen("dusman.in","r",stdin);
	freopen("dusman.out","w",stdout);
	scanf("%d%d%d",&n,&sol,&m);
	int i,a,b;
	for(i=1;i<=m;i++)
	{
		scanf("%d%d",&a,&b);
		x[a][b]=x[b][a]=1;
	}
}

void back(int k)
{
	if(sol<0)
		return;
	if(k>n)
	{
		sol--;
		if(sol==0)
		{
			int i;
			for(i=1;i<=n;i++)
				printf("%d ",st[i]);
		}
		return;
	}
	int i;
	for(i=1;i<=n;i++)
		if(!f[i] && !x[st[k-1]][i])
		{
			st[k]=i;
			f[i]=1;
			back(k+1);
			f[i]=0;
		}
}

int main()
{
	read();
	back(1);
	return 0;
}