#include<iostream.h>
#include<conio.h>
#include<math.h>
void main()
{
  int i,n,j,k=1;
  clrscr();
  cout<<"\n Enter the no of Levels : ";
  cin>>n;
  for(i=0;i<=n;i++)
   {
     cout<<"\n\n";
     for(j=0;j<=i;j++)
     cout<<k++<<"\t";
   };
   cout<<"\n\nDesigned By: Sujit K. Nayak";
   cout<<"\n Roll : ELD09006";

 getch();

}