/*
Write a recursive function f(n) to print out

1 1
1 1 2
1 1 1 3
1 1 1 1 4
1 1 1 1 1 5
..........
1 1 1 ..        1 n

*/

#include<iostream>

using namespace std;

void f(int);

int main(){
  int n;
  cout <<"Enter an integer\n";
  cin>>n;
  f(n);
}


void f(int n){
  if (n==1)
    cout<<1<<" "<<1<<endl;
  else {
    f(n-1);
    for (int i=1; i<=n;i++){
      cout <<1<<" ";
    }
    cout<<n<<endl;
  }
}