Lowest Common Ancestor Of A Binary Tree

Lowest Common Ancestor Of A Binary Tree

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Question Name: 
Lowest Common Ancestor Of A Binary Tree

Question Link:
https://nados.io/question/lowest-common-ancestor-of-a-binary-tree


Question Statement: 
1. Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree.
2. According to the definition of LCA on Wikipedia: 
The lowest common ancestor is defined between two nodes p and q as the lowest node in T that has 
both p and q as descendants (where we allow a node to be a descendant of itself).
3. If LCA does not exist in the tree print null.

Topic: #Lowest Common Ancestor Of A Binary Tree #trees #binary Tree

#TimeComplexity: O(N)

#SpaceComplexity: O(1)

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