ServiceNow OA Question 2024 May | Trees | on-campus

Question: Lowest Common Ancestor of a Binary Tree Problem Statement Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. 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)." Constraints The number of nodes in the tree ...