Binary Tree Traversals

Medium
15 views 22 Dec 2025
Perform inorder, preorder, and postorder traversals of a binary tree....

Level Order Traversal

Medium
14 views 22 Dec 2025
Traverse a binary tree level by level using a queue....

Height of Binary Tree

Medium
11 views 22 Dec 2025
Find the height of a binary tree using recursion....

Count Nodes in Binary Tree

Medium
15 views 22 Dec 2025
Count the total number of nodes in a binary tree....

Count Leaf Nodes

Medium
14 views 22 Dec 2025
Count the number of leaf nodes in a binary tree....

Mirror of Binary Tree

Medium
14 views 22 Dec 2025
Convert a binary tree into its mirror image....

Diameter of Binary Tree

Medium
15 views 22 Dec 2025
Find the diameter (longest path) of a binary tree....

Check Balanced Binary Tree

Medium
13 views 22 Dec 2025
Check whether a binary tree is height-balanced....

Lowest Common Ancestor

Medium
20 views 22 Dec 2025
Find the lowest common ancestor of two nodes in a binary tree....

Binary Search Tree Properties

Medium
17 views 22 Dec 2025
Explain properties of a Binary Search Tree....

Search in Binary Search Tree

Medium
13 views 22 Dec 2025
Search for a value in a Binary Search Tree....

Insert in Binary Search Tree

Medium
16 views 22 Dec 2025
Insert a new node into a Binary Search Tree....

Delete in Binary Search Tree

Medium
18 views 22 Dec 2025
Delete a node from a Binary Search Tree while maintaining its properties....

Validate Binary Search Tree

Medium
16 views 22 Dec 2025
Check whether a given binary tree is a valid Binary Search Tree....

Kth Smallest Element in BST

Medium
15 views 22 Dec 2025
Find the kth smallest element in a Binary Search Tree....

Convert Sorted Array to BST

Medium
13 views 22 Dec 2025
Convert a sorted array into a height-balanced Binary Search Tree....

Boundary Traversal of Binary Tree

Medium
16 views 22 Dec 2025
Perform boundary traversal of a binary tree....

Vertical Order Traversal

Medium
20 views 22 Dec 2025
Print the vertical order traversal of a binary tree....

Introduction to Trees

Medium
15 views 22 Dec 2025
Explain what a tree data structure is and how it differs from linear data structures....

Types of Trees

Medium
15 views 22 Dec 2025
Explain different types of trees such as binary tree, binary search tree, AVL tree, and heap....