Lowest common ancestor in a binary tree

Given a binary tree and find out the lowest common ancestor node using of two exist binary tree node. That is very interesting problem because trace Lowest common ancestor you need to write good logic. First let's see few test cases to find lowest ancestor in BST.

Lowest common ancestor in a binary tree

There are other case also possible when both node are not exist in binary tree or given both nodes are same.

Here given code implementation process.


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