programming-challenges/challenges/rotate-2-dimensional-array-90-degrees/README.md

rotate-2-dimensional-array-90-degrees

Created by @theoludwig on 3 December 2021.

Instructions

Given a square/rectangle matrix representing an image and a direction of rotation (clockwise or anticlockwise), rotate the image by 90 degrees.

Input

• Line 1: The direction (clockwise or anticlockwise) of rotation
• Next Lines: The matrix of the image

Output

• Lines: The rotated matrix

Examples

Example 1

Input

clockwise
1 2 3
4 5 6
7 8 9

Output

7 4 1
8 5 2
9 6 3

Example 2

Input

anticlockwise
1 2 3
4 5 6
7 8 9

Output

1 4 7
2 5 8
3 6 9

See the test folder for examples of input/output.