View Code of Problem 53

import java.util.Scanner;
 
public class Main
{
  public static void main(String[] args)
  {
    Scanner scan=new Scanner(System.in);
    int n=scan.nextInt();
    for(int i=1;i<=n;i++)
    {
      for(int j=n-i;j>=1;j--)
      {
        System.out.print(" ");
      }
      for(int k=1;k<=2*i-1;k++)
      {
        System.out.print("*");
      }
      System.out.println();
    }
    
    for(int i=n-1;i>=1;i--)
    {
      for(int j=1;j<=n-i;j++)
      {
        System.out.print(" ");
      } 
      for(int k=2*i-1;k>=1;k--)
      {
        System.out.print("*");
      }
      System.out.println();
    }
    
    
  }
}

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