Problem Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. Definition Lowest Common Ancestor Definition Examples Example 1: graph TD; 6; 6 --- 2; 6 --- 8; 2 --- 0; 2 --- 4; 8 --- 7; 8 --- 9; 4 --- 3; 4 --- 5; style 2 fill:#FF9933 style 8 fill:#FF9933 style 6 fill:#3399FF ...
Problem Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST. Definiton Lowest Common Ancestor Definition Problems related to it - Lowest Common Ancestor Definition Examples Example 1: graph TD; 6; 6 --- 2; 6 --- 8; 2 --- 0; 2 --- 4; 8 --- 7; 8 --- 9; 4 --- 3; 4 --- 5; style 2 fill:#FF9933 style 8 fill:#FF9933 style 6 fill:#3399FF ...
Problem Given values of two nodes in a Binary Tree p and q, find the Lowest Common Ancestor (LCA). It may be assumed that both nodes exist in the tree and Node has parent pointer. class Node { public int val; public Node left; public Node right; public Node parent; } ...