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