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#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int k=1,v[20],i,n;
bool caut;
bool ok(int k)
{
for (i=k-1; i>=1; --i)
if (v[k]==v[i])
return 0;
return 1;
}
int main()
{
f>>n;
v[1]=0;
while (k)
{
caut=0;
while (!caut && v[k]<n)
{
v[k]++;
if (ok(k)) caut=1;
}
if (caut==0) k--;
else
if (k==n)
{
for (i=1; i<=k; ++i) g<<v[i]<<" ";
g<<'\n';
}
else
k++, v[k]=0;
}
f.close();
g.close();
return 0;
}