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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,x[9];
void Afis(){
for (int j=1; j<=n;j++){
fout<<x[j]<<" ";
}
fout<<endl;
}
bool OK(int k)
{
for(int i = 1; i < k; ++i){ // Change <= to <
if(x[k] == x[i]){
return false;
}
}
return true;
}
bool Solutie(int k){
return k==n;
}
void back(int k){
for(int i=1 ; i<=n ; ++i)
{
x[k]=i;
if( OK(k) )
if(Solutie(k))
Afis();
else
back(k+1);
}
}
int main()
{
fin>>n;
back(1);
return 0;
}