  | 
| Fig 1: Pattern Programming Output | 
using System;
class Pattern_Star
{
 public static void Main()
 {
  int i,j,row;
  
  Console.WriteLine("Enter the no. of row you have to print");
  row=Convert.ToInt32(Console.ReadLine());
  for(i=0;i<row;i++)
  {
   for(j=0;j<row;j++)
   Console.Write("@");
   Console.WriteLine();
  }
 }
}