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#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int n,sol[10];
bool viz[10];
void afisare();
void bkt(int p)
{
if(p==n+1)
afisare();
for(int i=1;i<=n;i++)
if(!viz[i])
{
viz[i]=true;
sol[p]=i;
bkt(p+1);
viz[i]=false;
}
}
int main()
{
in>>n;
bkt(1);
return 0;
}
void afisare()
{
for(int i=1;i<=n;i++)
out<<sol[i]<<' ';
out<<'\n';
}