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Spiral Matrix

Given an m x n matrix, return all elements in spiral order.

Output space-separated.

Input:

1,2,3
4,5,6
7,8,9

Output:

1 2 3 6 9 8 7 4 5

Reasoning:

We start at the top row and move right, printing elements in order: 1, 2, 3
Then, we move down to the next row and print the last element of the current column: 6
Next, we move left along the bottom row, printing elements in reverse order: 9, 8, 7
Finally, we move up the first column, printing the remaining element: 4, 5, resulting in the spiral order: 1 2 3 6 9 8 7 4 5

Editor

Python 3.13.1

0/0

Run code to see test results.