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#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
bool verif(int i, int v[])
{
int j;
for(j=1;j<i;j++)
{
if (v[i]==v[j]) return false;
}
return true;
}
void afis(int n, int v[])
{
int i;
for(i=1;i<=n;i++)
{
g << v[i] << ' ';
}
g << '\n';
}
int main()
{
int n,i;
f >> n;
int v[n+1];
i=1; v[1]=0;
while(i)
{
v[i]++;
if (v[i]>n) i--;
else if (verif(i,v))
{
if (i==n) afis(n,v);
else {i++; v[i]=0;}
}
}
return 0;
}