View Code of Problem 53

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