• + 9 comments
    public static void main(String[] args) {
            Scanner in = new Scanner(System.in);
            int n = in.nextInt();
            in.close();
            //char c = '#';
            for(int i=0 ; i<n ;i++){
                for(int j = 0; j <= n-i-2; j++){
                    System.out.print(" ");
                }
                for(int j = n-i-1 ; j< n; j++){
                    System.out.print("#");
                }
                System.out.println();
            }
            
        }
    

    My idea