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Cod sursa(job #406000)
#include<fstream>
#include<algorithm>
#include<bitset>
using namespace std;
const char iname[]="dusman.in";
const char oname[]="dusman.out";
const int maxn=1005;
ifstream f(iname);
ofstream g(oname);
int a[maxn],i,n,k,m,x,y;
bitset<maxn> d[maxn];
void test()
{
for(i=2;i<=n;++i)
if(d[a[i]][a[i-1]])
return;
--k;
}
void afis()
{
for(i=1;i<=n;++i)
g<<a[i]<<" ";
g<<"\n";
}
int main()
{
f>>n>>k>>m;
for(i=1;i<=n;++i)
a[i]=i;
for(i=1;i<=m;++i)
f>>x>>y,d[x][y]=d[y][x]=1;
do
{
test();
if(k==0)
{
afis();
break;
}
next_permutation(a+1,a+n+1);
}while(1);
f.close();
g.close();
return 0;
}