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Program.cs
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Program.cs
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using System;
using System.Collections.Generic;
namespace NaryTreeLevelOrderTraversal
{
public class Node
{
public int val;
public IList<Node> children;
public Node() { }
public Node(int _val)
{
val = _val;
}
public Node(int _val, IList<Node> _children)
{
val = _val;
children = _children;
}
}
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
}
public IList<IList<int>> LevelOrder(Node root)
{
var res = new List<IList<int>>();
if (root == null) return res;
var queue = new Queue<Node>();
queue.Enqueue(root);
while (queue.Count != 0)
{
var temp = new List<int>();
var count = queue.Count;
while (count != 0)
{
var current = queue.Dequeue();
temp.Add(current.val);
foreach (var child in current.children)
queue.Enqueue(child);
count--;
}
res.Add(temp);
}
return res;
}
}
}