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#include <iostream>
#include <fstream>
using namespace std;
int x[100],k,n;
fstream f,g;
int posbun()
{
int i;
for (i=1;i<k;i++)
if (x[i]==x[k])
return 0;
return 1;
}
void afisare()
{
int i;
for (i=1;i<=n;i++)
g<<x[i]<<" ";
g<<"\n";
}
int main()
{
int ok;
f.open("permutari.in",ios::in);
g.open("permutari.out",ios::out);
f>>n;
k=1;
x[k]=0;
while (k)
{
ok=0;
while (ok==0 && x[k]<n)
{
x[k]++;
ok=posbun();
}
if (ok==1)
if (k==n)
afisare();
else
k++,x[k]=0;
else
k--;
}
}