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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int n, v[10];
int verif(int i)
{
for(int j=1; j<i; ++j)
{
if(v[j]==v[i])
return 0;
}
return 1;
}
void afis()
{
for(int i=1; i<=n; ++i)
out<<v[i]<<" ";
out<<'\n';
}
int bktr(int i)
{
for(int j=1; j<=n; ++j)
{
v[i]=j;
if(verif(i))
{
if(i==n)
afis();
else
bktr(i+1);
}
}
}
int main()
{
in>>n;
bktr(1);
return 0;
}