Given therootof a binary tree and an array ofTreeNodeobjectsnodes, returnthe lowest common ancestor (LCA) ofall the nodesinnodes. All the nodes will exist in the tree, and all values of the tree's nodes areunique. Extending thedefinition of LCA on Wikipedia: "The lowest common ancestor ...
The node of a binary tree is aleafif and only if it has no children Thedepthof the root of the tree is 0, and if the depth of a node isd, the depth of each of its children isd+1. Thelowest common ancestorof a setSof nodes is the nodeAwith the largest depth such that every ...
Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST. According to thedefinition 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 (wh...