/**
Problem Name : Find a Corresponding Node of a Binary Tree in a Clone of That Tree
Problem URL : https://leetcode.com/problems/find-a-corresponding-node-of-a-binary-tree-in-a-clone-of-that-tree/
Description :
Given two binary trees original and cloned and given a reference to a node target in the original tree.
The cloned tree is a copy of the original tree.
Return a reference to the same node in the cloned tree.
Difficulty : Medium
Language : C#
Category : Algorithms - Graph - Binary Tree
*/
/* Definition for a binary tree node at the end. */
public class Solution
{
public TreeNode GetTargetCopy(TreeNode original, TreeNode cloned, TreeNode target)
{
if(cloned == null)
return null;
if(cloned.val == target.val)
return cloned;
TreeNode left = GetTargetCopy(original, cloned.left, target);
if(left != null)
return left;
return GetTargetCopy(original, cloned.right, target);
}
}
/**
* Definition for a binary tree node.
* public class TreeNode {
* public int val;
* public TreeNode left;
* public TreeNode right;
* public TreeNode(int x) { val = x; }
* }
*/