Algorithm to Construct Binary Tree from Preorder and Inorder Traversal
Given preorder and inorder traversal of a tree, construct the binary tree. You may assume that duplicates do not exist in the tree. For example, given preorder = inorder …
Tag: binary tree algorithms
How to Delete Nodes from Binary Tree and Make a Forest?
Given the root of a binary tree, each node in the tree has a distinct value. After deleting all nodes with a value in to_delete, we are left with …
Breadth First Search Algorithm to Check Completeness of a Binary Tree?
Given a binary tree, determine if it is a complete binary tree. Definition of a complete binary tree from Wikipedia: In a complete binary tree every level, except possibly …
How to Find Largest Value in Each Tree Row/Level using BFS or DFS Algorithm?
You need to find the largest value in each row of a binary tree. Example: Input: 1 / \ 3 2 / \ \ 5 3 9 Output: This …
The Cousins in Binary Tree
In a binary tree, the root node is at depth 0, and children of each depth k node are at depth k+1. Two nodes of a binary tree are …