Ancestor
1143 Lowest Common Ancestor(附测试点2,3段错误分析)
题目: The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that has both U and V as descendants. A binary search tree (BS ......
[LeetCode] 1676. Lowest Common Ancestor of a Binary Tree IV
Given the root of a binary tree and an array of TreeNode objects nodes, return the lowest common ancestor (LCA) of all the nodes in nodes. All the nod ......