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#include <bits/stdc++.h>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
int n;
int v[100];
bitset<101> fr;
void gen(int k);
int main()
{
fin >> n;
gen(1);
return 0;
}
void gen(int k)
{
if(k == n+1)
{
for(int i=1; i<=n; ++i)
cout << v[i] << ' ';
cout << '\n';
}
else
{
for(int i=1; i<=n; ++i)
{
if(fr[i] == 0)
{
v[k] = i;
fr[i] = 1;
gen(k+1);
fr[i] = 0;
}
}
}
}