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#include <fstream>
#define dim 9
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
struct stiva
{
int stiva[dim];
}st;
int sol(int k)
{
int i;
for(i=1;i<=k-1;i++)
if(st.stiva[i]==st.stiva[k])
return 0;
return 1;
}
int full(int k)
{
if(k==n)
return 1;
return 0;
}
void afisare()
{
for(int i=1;i<=n;i++)
fout<<st.stiva[i]<<" ";
fout<<"\n";
}
void BK(int k)
{
int i;
for(i=1;i<=n;i++)
{
st.stiva[k]=i;
if(sol(k)==1)
if(full(k)==1)
afisare();
else
BK(k+1);
}
}
int main()
{
fin>>n;
BK(1);
fin.close();
fout.close();
return 0;
}