13.)pattern4.java

import java.util.*;
import java.lang.*;
import java.io.*;

class Codechef
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
        Scanner sc =new Scanner(System.in);
        int n = sc.nextInt();
        int sp = n/2;
        int st = 1;
        for(int i =1;i<=n;i++){
            for(int j =1;j<=sp;j++){
                System.out.print("\t");
            }
            for(int j =1;j<=st;j++){
                System.out.print("*\t");
            }
            if(i<=n/2){
                sp--;
                st+=2;
            }else{
                sp++;
                st-=2;
            }
            System.out.println();
        }
	}
}