Class Solution

java.lang.Object
g2301_2400.s2326_spiral_matrix_iv.Solution

public class Solution extends java.lang.Object
2326 - Spiral Matrix IV.

Medium

You are given two integers m and n, which represent the dimensions of a matrix.

You are also given the head of a linked list of integers.

Generate an m x n matrix that contains the integers in the linked list presented in spiral order (clockwise) , starting from the top-left of the matrix. If there are remaining empty spaces, fill them with -1.

Return the generated matrix.

Example 1:

Input: m = 3, n = 5, head = [3,0,2,6,8,1,7,9,4,2,5,5,0]

Output: [[3,0,2,6,8],[5,0,-1,-1,1],[5,2,4,9,7]]

Explanation: The diagram above shows how the values are printed in the matrix.

Note that the remaining spaces in the matrix are filled with -1.

Example 2:

Input: m = 1, n = 4, head = [0,1,2]

Output: 0,1,2,-1

Explanation: The diagram above shows how the values are printed from left to right in the matrix.

The last space in the matrix is set to -1.

Constraints:

  • 1 <= m, n <= 105
  • 1 <= m * n <= 105
  • The number of nodes in the list is in the range [1, m * n].
  • 0 <= Node.val <= 1000
  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    int[][]
    spiralMatrix(int m, int n, ListNode head)
     

    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

    • spiralMatrix

      public int[][] spiralMatrix(int m, int n, ListNode head)