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#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int v[9],vf[9],n;
void bkt(int poz)
{
int i;
if(poz==n)
{
for(i=1; i<=n; i++)
out<<v[i]<<" ";
out<<'\n';
return;
}
for(i=1; i<=n; i++)
{
if(vf[i]==0)
{
vf[i]=1;
v[poz+1]=i;
bkt(poz+1);
v[poz+1]=vf[i]=0;
}
}
return;
}
int main()
{
in>>n;
bkt(0);
return 0;
}