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#include <bits/stdc++.h>
using namespace std;
ifstream f("damesah.in");
ofstream g("damesah.out");
int n,ok,nr,sol[20],sol_fin[20];
int isOK(int k)
{
int i;
for(i=1;i<k;i++)
{
if(sol[i]==sol[k])return 0;
if(abs(sol[i]-sol[k])==abs(k-i))return 0;
}
return 1;
}
void beck(int k)
{
int i;
if(k==n+1)
{
nr++;
if(ok==0)
{
for(i=1;i<k;i++)
sol_fin[i]=sol[i];
ok=1;
}
}
else
{
for(i=1;i<=n;i++)
{
sol[k]=i;
if(isOK(k))beck(k+1);
}
}
}
int main()
{
f>>n;
beck(1);
for(int i=1;i<=n;i++)g<<sol_fin[i]<<" ";
g<<'\n'<<nr;
return 0;
}