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#include <fstream>
#include <iostream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,x[10];
int verifca(int p);
void bkt(int);
int main()
{
fin>>n;
bkt(1);
return 0;
}
int verifica(int p)
{
int v[11]={0,0,0,0,0,0,0,0,0,0};
for(int i=1;i<=p;i++)
v[x[i]]++;
for(int i=1;i<=8;i++)
cout<<"i: "<<i<<" "<<"v[i]: "<<v[i]<<endl;
for(int i=1;i<=n;i++)
if(v[i]!=1)
return 0;
if(p!=n)
return 0;
return 1;
}
void display(int p)
{
for(int i=1;i<=p;i++)
fout<<x[i]<<" ";
fout<<'\n';
}
void bkt(int p)
{
if(p>n)
return;
for(int i=1;i<=n;i++)
{
x[p]=i;
if(verifica(n))
display(n);
//else
bkt(p+1);
}
}