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:

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)