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Cod sursa(job #119751)
#include <cstdio>
#include <string>
#include <cstdlib>
#define maxn 1001
int x[maxn];
bool a[maxn][maxn];
bool use[maxn];
int N, K, m;
int nr;
void read()
{
freopen("dusman.in","r",stdin);
freopen("dusman.out","w",stdout);
scanf("%d %d %d\n", &N, &K, &m);
int p, q;
while(m--)
{
scanf("%d %d\n", &p, &q);
a[p][q]=a[q][p]=1;
}
}
inline void afis()
{
++nr;
// printf("%d\n", nr);
if(nr==K)
{
for(int i=1;i<=N;++i) printf("%d ", x[i]);
printf("\n");
exit(0);
}
}
inline void back(int k)
{
if(k==N+1) afis();
else
{
if(k==1)for(int i=1;i<=N;++i) { use[i]=1;x[k]=i; back(k+1); use[i]=0;}
else
for(int i=1;i<=N;++i)
if(!use[i] && !a[x[k-1]][i])
{
use[i]=1;
x[k]=i;
back(k+1);
use[i]=0;
}
}
}
int main()
{
read();
back(1);
return 0;
}