Package g0001_0100.s0059_spiral_matrix_ii

Class Solution

  • All Implemented Interfaces:
    
public final class Solution

    59 - Spiral Matrix II.

    Medium

    Given a positive integer n, generate an n x n matrix filled with elements from 1 to <code>n<sup>2</sup></code> 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 &lt;= n &lt;= 20

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description

    • Field Summary

      Fields 
      Modifier and Type Field Description

    • Constructor Summary

      Constructors 
      Constructor Description
      Solution()

    • Enum Constant Summary

      Enum Constants 
      Enum Constant Description

    • Method Summary

      Modifier and Type Method Description
      final Array<IntArray> generateMatrix(Integer n)

      • Methods inherited from class java.lang.Object

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