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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int n,v[11];
void afisare(){
for(int i=1;i<=n;i++){
out<<v[i]<<" ";
}
out<<endl;
}
bool verif(int n){
for(int i=1;i<n;i++){
if(v[i]==v[n]){
return false;
}
}
return true;
}
void gen(int j){
for(int i=1;i<=n;i++){
v[j]=i;
if(verif(j)){
if(j==n){
afisare();
}else{
gen(j+1);
}
}
}
}
int main()
{
in>>n;
gen(1);
in.close();
out.close();
}