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#include <bits/stdc++.h>
#define NMAX 10
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, v[NMAX];
bool viz[NMAX];
void bkt(int k);
int main()
{
fin >> n;
bkt(1);
return 0;
}
void bkt(int k)
{
int i;
if(k == n + 1)
{
for(i = 1; i <= n; i++) fout << v[i] << ' ';
fout << '\n';
}
else for(i = 1; i <= n; i++)
if(viz[i] == 0)
{
v[k] = i;
viz[i] = 1;
bkt(k + 1);
viz[i] = 0;
v[k] = 0;
}
}