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#include <fstream>
#define NMAX 10
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int N,v[NMAX],uz[NMAX];
void afisare()
{
for(int i=1; i<=N; i++)
{
fout<< v[i] << " ";
}
fout<< "\n";
}
void BACK(int k)
{
for(int i=1; i<=N; i++)
{
if(!uz[i])
{
v[k]=i;
uz[i]=1;
if(k==N)
{
afisare();
}
else
{
BACK(k+1);
}
uz[i]=0;
}
}
}
int main()
{
fin>>N;
BACK(1);
return 0;
}