Package g0001_0100.s0059_spiral_matrix_ii

Class Solution

java.lang.Object
g0001_0100.s0059_spiral_matrix_ii.Solution
public class Solution extends java.lang.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 Summary

    Constructors
    Constructor
    Description
    Solution()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    int[][]
    generateMatrix(int n)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • Solution

      public Solution()

  • Method Details

    • generateMatrix

      public int[][] generateMatrix(int n)