leetcode/0059_spiral-matrix-ii/README.md

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2022-04-13 01:05:02 +00:00
Given a positive integer `n`, generate an `n x n` `matrix` filled with elements from `1` to `n2` in spiral order.
**Example 1:**
![](https://assets.leetcode.com/uploads/2020/11/13/spiraln.jpg)
Input: n = 3
Output: [[1,2,3],[8,9,4],[7,6,5]]
**Example 2:**
Input: n = 1
Output: [[1]]
**Constraints:**
* `1 <= n <= 20`