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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int v[10], i, j, k, ok, n;
void solutie(int n){
for(int i = 1; i <= n; i ++)
fout << v[i] << " ";
fout << "\n";
return;
}
int conditie(int k){
for(int i = 1; i < k; i ++)
if(v[i] == v[k])
return 0;
return 1;
}
void backtracking(int k){
if(k == n + 1)
solutie(n);
else{
for(int i = 1; i <= n; i ++){
v[k] = i;
if(conditie(k))
backtracking(k + 1);
}
}
return;
}
int main(){
fin >> n;
backtracking(1);
return 0;
}