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Program.cs
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Program.cs
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using System;
using System.Collections.Generic;
namespace LeafSimilarTrees
{
public class TreeNode
{
public int val;
public TreeNode left;
public TreeNode right;
public TreeNode(int val = 0, TreeNode left = null, TreeNode right = null)
{
this.val = val;
this.left = left;
this.right = right;
}
}
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
}
static bool LeafSimilar(TreeNode root1, TreeNode root2)
{
var leaves1 = new List<int>();
var leaves2 = new List<int>();
GetLeaves(root1, leaves1);
GetLeaves(root2, leaves2);
if (leaves1.Count != leaves2.Count)
return false;
for (int i = 0; i < leaves1.Count; i++)
if (leaves1[i] != leaves2[i])
return false;
return true;
}
static void GetLeaves(TreeNode node, List<int> leaves)
{
if (node == null)
return;
if (node.left == null && node.right == null)
leaves.Add(node.val);
GetLeaves(node.left, leaves);
GetLeaves(node.right, leaves);
}
}
}