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#include<iostream>
#include<fstream>
using namespace std;
bool eValid(int V[], int n){
for (int i = 0; i < n - 1; i++){
if (V[i] == V[n - 1]){
return false;
}
}
return true;
}
int main(){
ifstream f("permutari.in");
ofstream o("permutari.out");
int n = 0;
f >> n;
int V[8];
int k = 0;
V[k] = 0;
while (k >= 0){
bool valid = false;
//V[k]++;
while (V[k] < n && !valid){
V[k]++;
valid = eValid(V, k + 1);
}
if (valid){
if (k == n - 1){
for (int i = 0; i < n; i++){
o << V[i] << " ";
}
k--;
o <<'\n';
}
else{
k++;
V[k] = 0;
}
}
else{
k--;
}
}
return 0;
}