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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int ST[100], p, n, i;
int valid(int p)
{
if (p > 1)
for (i = 1; i <= p - 1; i++)
if (ST[p] == ST[i])
return 0;
return 1;
}
void afisare (int p)
{
for (i = 1; i <= p; i++)
fout << ST[i] << ' ';
fout << '\n';
}
int main()
{
fin >> n;
p = 1;
ST[p] = 0;
while (p > 0)
if (ST[p] < n)
{
ST[p]++;
if (valid(p))
if (p == n)
afisare(p);
else
ST[++p] = 0;
}
else
p--;
fin.close();
fout.close();
return 0;
}