Package g0001_0100.s0059_spiral_matrix_ii

Class Solution

java.lang.Object

g0001_0100.s0059_spiral_matrix_ii.Solution

public class Solution
extends Object

59 - Spiral Matrix II.<p>Medium</p> <p>Given a positive integer <code>n</code>, generate an <code>n x n</code> <code>matrix</code> filled with elements from <code>1</code> to <code>n2</code> in spiral order.</p> <p><strong>Example 1:</strong></p> <p><img src="https://assets.leetcode.com/uploads/2020/11/13/spiraln.jpg" alt="" /></p> <p><strong>Input:</strong> n = 3</p> <p><strong>Output:</strong> [[1,2,3],[8,9,4],[7,6,5]]</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> n = 1</p> <p><strong>Output:</strong> <a href="1">1</a></p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= n <= 20</code></li> </ul>

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)