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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
void bkt(int nr);
int N;
int V[10];
int verif(int nr,int i);
int main()
{
fin>>N;
bkt(1);
return 0;
}
void bkt(int nr)
{int i,j;
if(nr==N+1)
{
for(j=1;j<=N;j++)
fout<<V[j]<<' ';
fout<<'\n';
return;
}
for(i=1;i<=N;i++)
{
if(verif(nr,i))
V[nr]=i;
else continue;
bkt(nr+1);
}
}
int verif(int nr,int i)
{
for(int j=1;j<nr;j++)
if(V[j]==i)
return 0;
return 1;
}