Class Solution

java.lang.Object
g0001_0100.s0059_spiral_matrix_ii.Solution

public class Solution extends Object
59 - Spiral Matrix II\. Medium 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`
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • generateMatrix

      public int[][] generateMatrix(int n)