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#define MAX_N 13
#include <fstream>
using namespace std;
ifstream fin("damesah.in");
ofstream fout("damesah.out");
int n, r, R[MAX_N + 1];
bool L[MAX_N + 1], C[MAX_N + 1], P[(2 * MAX_N) + 1], S[(2 * MAX_N) + 1];
bool Ok(int i, int j);
void Regina(int i, int j, bool pus);
void Back(int linie);
int main()
{
fin >> n;
Back(1);
fout << r;
fin.close();
fout.close();
return 0;
}
bool Ok(int i, int j)
{
return !(L[i] || C[j] || P[MAX_N + j - i + 1] || S[j + i - 1]);
}
void Regina(int i, int j, bool pus)
{
L[i] = pus;
C[j] = pus;
P[MAX_N + j - i + 1] = pus;
S[j + i - 1] = pus;
}
void Back(int linie)
{
if (linie > n)
{
if (r == 0)
{
for (int i = 1; i <= n; ++i)
{
fout << R[i] << ' ';
}
fout << '\n';
}
++r;
return;
}
for (int j = 1; j <= n; ++j)
{
R[linie] = j;
if (Ok(linie, j))
{
Regina(linie, j, true);
Back(linie + 1);
Regina(linie, j, false);
}
}
}