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Cod sursa(job #938011)
#include<cstdio>
#include<bitset>
#define N 1001
using namespace std;
int i,j,n,k,m,rez[N],ok,x,y;
bitset <N> a[N];
bitset <N> fol;
void back(int i)
{
if(i>n)
{
--k;
if(!k)
{
for(int j=1;j<=n;++j) printf("%d ",rez[j]);
printf("\n");
ok=1;
}
return;
}
for(int j=1;j<=n&& ok==0;++j)
if(fol[j] == 0 && a[rez[i-1]][j]==0)
{
rez[i]=j;
fol[j]=1;
back(i+1);
fol[j]=0;
}
}
int main()
{
freopen ("dusman.in","r",stdin);
freopen ("dusman.out","w",stdout);
scanf("%d %d %d",&n,&k,&m);
//printf("%d\n",k);
for(i=1;i<=m;i++)
{
scanf("%d %d",&x,&y);
//printf("%d %d\n",x,y);
a[x][y]=a[y][x]=1;
}
i=1;
ok=0;
back(1);
}