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