Multiplication Grid

Lab Java Beginner 10 points

Read n and print an n×n multiplication table, each number right-aligned in 4 characters.

Input

One integer (1–12).

Output

n rows.

Example

Input

Output

   1   2   3   4
   2   4   6   8
   3   6   9  12
   4   8  12  16

Sample input available Sample output available

Editor

Java

Hints

%4d pads a number to width 4.

Solution explanation

Formatting every cell to the same width lines the columns up.

Show solution

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        for (int r = 1; r <= n; r++) {
            StringBuilder row = new StringBuilder();
            for (int c = 1; c <= n; c++) {
                row.append(String.format("%4d", r * c));
            }
            System.out.println(row);
        }
    }
}

Output

Answer