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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int N;
int sol[10];
bool ok (int k)
{
int i;
for (i=1;i<k;++i)
{
if (sol[i]==sol[k])
{
return 0;
}
}
return 1;
}
bool eSol (int k)
{
return (k==N);
}
void Afisare (int k)
{
int i;
for (i=1;i<=k;++i)
{
fout << sol[i] << " ";
}
fout << '\n';
}
void Back (int k)
{
int i;
for (i=1;i<=N;++i)
{
sol[k]=i;
if (ok(k)==1)
{
if (eSol(k)==1)
{
Afisare(k);
}
else
{
Back(k+1);
}
}
}
}
int main()
{
fin >> N;
Back(1);
fin.close();
fout.close();
return 0;
}