| | 1 | | // -------------------------------------------------------------------------------- |
| | 2 | | // Copyright (C) 2025 Eugene Eremeev (also known as Yevhenii Yeriemeieiv). |
| | 3 | | // All Rights Reserved. |
| | 4 | | // -------------------------------------------------------------------------------- |
| | 5 | | // This software is the confidential and proprietary information of Eugene Eremeev |
| | 6 | | // (also known as Yevhenii Yeriemeieiv) ("Confidential Information"). You shall not |
| | 7 | | // disclose such Confidential Information and shall use it only in accordance with |
| | 8 | | // the terms of the license agreement you entered into with Eugene Eremeev (also |
| | 9 | | // known as Yevhenii Yeriemeieiv). |
| | 10 | | // -------------------------------------------------------------------------------- |
| | 11 | |
|
| | 12 | | // ReSharper disable InconsistentNaming |
| | 13 | |
|
| | 14 | | namespace LeetCode.Core.Models; |
| | 15 | |
|
| | 16 | | /// <summary> |
| | 17 | | /// Definition for an n-ary tree node |
| | 18 | | /// </summary> |
| | 19 | | public class Node |
| | 20 | | { |
| | 21 | | public IList<Node>? children; |
| | 22 | |
|
| | 23 | | public int val; |
| | 24 | |
|
| 3 | 25 | | public Node() : this(0) { } |
| | 26 | |
|
| 164 | 27 | | public Node(int? val = null, IList<Node>? children = null) |
| 164 | 28 | | { |
| 164 | 29 | | this.children = children; |
| 164 | 30 | | this.val = val ?? 0; |
| 164 | 31 | | } |
| | 32 | |
|
| | 33 | | public static Node? ToNode(int?[] values) |
| 22 | 34 | | { |
| 22 | 35 | | if (values.Length == 0 || values[0] == null) |
| 6 | 36 | | { |
| 6 | 37 | | return null; |
| | 38 | | } |
| | 39 | |
|
| 16 | 40 | | var root = new Node(values[0]); |
| | 41 | |
|
| 16 | 42 | | var queue = new Queue<Node>(); |
| | 43 | |
|
| 16 | 44 | | queue.Enqueue(root); |
| | 45 | |
|
| 16 | 46 | | var i = 2; |
| | 47 | |
|
| 120 | 48 | | while (queue.Count > 0 && i < values.Length) |
| 104 | 49 | | { |
| 104 | 50 | | var current = queue.Dequeue(); |
| | 51 | |
|
| 104 | 52 | | current.children = []; |
| | 53 | |
|
| 248 | 54 | | while (i < values.Length && values[i] != null) |
| 144 | 55 | | { |
| 144 | 56 | | var child = new Node(values[i]); |
| | 57 | |
|
| 144 | 58 | | current.children.Add(child); |
| | 59 | |
|
| 144 | 60 | | queue.Enqueue(child); |
| | 61 | |
|
| 144 | 62 | | i++; |
| 144 | 63 | | } |
| | 64 | |
|
| 104 | 65 | | i++; |
| 104 | 66 | | } |
| | 67 | |
|
| 16 | 68 | | return root; |
| 22 | 69 | | } |
| | 70 | | } |