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#include <iostream>
#include <fstream>
#define dm 15
using namespace std;
ifstream fin("damesah.in");
ofstream fout("damesah.out");
bool lin[dm], d1[dm], d2[dm];
int n, c, nrperm, st[dm];
void afis()
{
for(int i = 1; i <= n; i++)
fout << st[i] << " ";
}
void dame(int niv)
{
if( niv == n + 1 && !c)
{
afis();
nrperm++, c++;
return;
}
else if( niv == n + 1 && c)
{
nrperm++;
return;
}
for( int j = 1; j <= n; j++)
{
if(!lin[j] && !d1[niv + j] && !d2[niv - j + n])
{
st[niv] = j;
lin[j] = 1;
d1[niv + j] = 1;
d2[niv - j + n] = 1;
dame(niv + 1);
lin[j] = 0;
d1[niv + j] = 0;
d2[niv - j + n] = 0;
}
}
}
int main()
{
fin >> n;
dame(1);
fout << "\n" << nrperm;
return 0;
}