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#include <fstream>
using namespace std;
ifstream fin;ofstream fout;
void bkt(int);int x[10],used[10],n;
int main()
{
fin.open("permutari.in");
fout.open("permutari.out");
fin>>n;
bkt(1);
return 0;
}
void bkt(int p)
{
if(p==n+1){for(int i=1;i<=n;i++)fout<<x[i]<<' ';fout<<endl;return;}
for(int i=1;i<=n;i++)
if(!used[i])
{
used[i]=1;
x[p]=i;
bkt(p+1);
used[i]=0;
}
}