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#include <vector>
#include <fstream>
#define MAXS 9
using namespace std;
int n;
vector<int> pp;
bool viz[MAXS];
ofstream fout("permutari.out");
void perm(int k){
if(k==n+1){
for(auto i: pp)
fout<<i<<" ";
fout<<'\n';
return ;
}
for(int i=1;i<=n;i++)
if(!viz[i]){
viz[i] = true;
pp.push_back(i);
perm(k+1);
pp.pop_back();
viz[i] = false;
}
}
int main() {
ifstream fin("permutari.in");
fin>>n;
perm(1);
return 0;
}