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#include <fstream>
#define VAL 15
using namespace std;
ifstream fin("damesah.in");
ofstream fout("damesah.out");
int N, i, sol;
int v[VAL];
int s[VAL];
bool ok[VAL];
bool verificare(int I, int K)
{
int i, d;
for (i=1; i<=K-1; i++)
{
d=max(I, v[i])-min(I, v[i]);
if (d==K-i)
return false;
}
return true;
}
void backtr(int K)
{
int i, j;
for (i=N; i>=1; i--)
{
if (ok[i]==false && verificare(i, K)==true)
{
ok[i]=true;
v[K]=i;
if (K==N)
{
for (j=1; j<=N; j++)
s[j]=v[j];
sol++;
}
backtr(K+1);
ok[i]=false;
}
}
}
int main()
{
fin >> N;
backtr(1);
for (i=1; i<=N; i++)
fout << s[i] << " ";
fout << '\n';
fout << sol << '\n';
fin.close();
fout.close();
return 0;
}