JavaScript Trees Coding Practice Problems

Trees are an essential data structure used to represent hierarchical data. They are particularly useful for applications involving searching, sorting, and decision-making processes. This curated list of JavaScript Tree Coding Practice Problems will help you master tree operations. Whether you're a beginner or an experienced developer, these problems will enhance your tree manipulation skills and problem-solving abilities.

Tree Practice Problems

Easy

• Minimum element in BST
• Preorder Traversal
• Postorder Traversal
• Size of Binary Tree
• Sum of Binary Tree
• Count Non-Leaf Nodes in Tree
• Check for BST
• Left View of Binary Tree
• Balanced Tree Check
• Height of Binary Tree
• Identical Trees
• Level order traversal
• Mirror Tree
• Level Order in spiral form
• Right View of Binary Tree
• Inorder Traversal
• Nodes without a Sibling
• Lowest Common Ancestor in a BST
• Symmetric Tree
• K distance from root

Medium

• Tree Boundary Traversal
• Diameter of a Binary Tree
• Bottom View of Binary Tree
• Sum Tree
• Construct Tree from Inorder & Preorder
• Vertical Tree Traversal
• Children Sum in a Binary Tree
• ZigZag Tree Traversal
• Largest BST
• Check if subtree
• Predecessor and Successor
• Root to Leaf Paths
• K Sum Paths
• Sum of nodes on the longest path
• Duplicate Subtree

Hard

• Max Path Sum 2 Special Nodes
• Binary Tree to DLL
• Burning Tree
• AVL Tree Insertion
• AVL Tree Deletion
• Distribute candies in a binary tree
• Sorted Linked List to BST
• Number of Turns in Binary Tree 
• Minimum BST Sum Subtree
• Select Nodes
• Huffman Decoding
• Check Tree Traversal 
• Corona Vaccine
• Scrambled String

Trees Quiz

Test your knowledge of Trees in JavaScript with the following Quiz:

• Trees