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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int fol[10], v[10], n;
void perm(int p)
{
if(p>n)
{for(int i=1; i<=n; i++)
g<<v[i]<<" ";
g<<endl;}
for(int i=1; i<=n; i++)
if(fol[i]==0)
{
fol[i]=1;
v[p]=i;
perm (p+1);
fol[i]=0;
}
}
int main()
{
f>>n;
perm (1);
}