Perfect Diamond

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine());

        for (int i = 0; i < n; i++) {
            System.out.println(" ".repeat (n - (i + 1)) + '*' + "-*".repeat( i));
        }

        for (int i = n - 2; i >= 0; i--) {
            System.out.println(" ".repeat (n - (i + 1)) + '*' + "-*".repeat( i));
        }
    }
}