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Cod sursa(job #130181)
#include <stdio.h>
long n,m,k,v[1002],p[1002],a[1002][1002],x,y;
void afisare(){
for (int i=1;i<=n;i++)
printf("%ld ",p[i]);
printf("\n");
}
void perm(int i)
{
if(k<0) return;
if(i>n){
k--;
if(k==0){
afisare();
return;
}
}
for(int j=1;j<=n;++j)
if(!v[j]&&!a[p[i-1]][j]){
v[j]=1;
p[i]=j;
perm(i+1);
v[j]=0;
}
}
int main(){
freopen("dusman.in","r",stdin);
freopen("dusman.out","w",stdout);
scanf("%ld %ld %ld",&n,&k,&m);
for (int i=1;i<=m;i++){
scanf("%ld %ld",&x,&y);
a[x][y]=1;
a[y][x]=1;
}
perm(1);
return 0;
}