AVL TREE Practice Questions
Duration: 2 min
This video lesson is available to enrolled students.
Inside: a video lesson and guided study material.
Module outline
- About Course: BTSC About Course
- Basics of Computer Science: Basics of COA, Number System, Number Representation
- Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory
- Data Structures & Algorithms: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms
- Database Management Systems(DBMS): Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Relational Algebra, SQL, Transaction Management, Concurrency Control, Database Recovery
- Networking and Internet: Introduction to CN, Data Communication, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Application Layer, Hardware Basics, Network Access Technologies, Network Security
- Cyber Security Basics: Cyber Threats and Malware Attacks, Role of Internet and Web Services, Electronic Data Interchange and E-Commerce, Cyber Safety and Security
- C Programming (Programming Fundamentals): C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
- C++, OOPs & Java (Programming Fundamentals): Java, OOPS with C++
- Python (Programming Fundamentals): Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules
- Web Development Basics: Internet Fundamentals, Web Design & Development, Protocols & Services, Web Publishing & Hosting, Server Side & Security, Emerging Technologies, JavaScript-Basics, HTML Basics
- Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing
- Software and Hardware Tools: MS Office Applications, Unix OS, Linux OS
- Emerging Trends. AI & Social Ethics: Artificial Intelligence, Emerging Tech Trends, Society, Law & Ethics
- Full Mock Test:
AI summary & chapters
AI Summary
An AI-generated summary of this video lecture.
This educational video segment focuses on solving a specific practice problem involving AVL tree construction. The instructor demonstrates how to build an AVL tree from the sequence 70, 60, 80, 50, 65, and 68 while maintaining the balance factor property. The core objective is to determine the number of leaf nodes in the final balanced tree structure.
Chapters
0:00 – 1:50 00:00-01:50
The instructor addresses the question 'Create an AVL tree with 70, 60, 80, 50, 65 and 68 how many leaves are there in the resultant tree?' displayed on screen. The process involves inserting nodes sequentially, crossing out numbers as they are added to the structure. Key visible events include drawing a partial tree with 70 as root, 60 and 80 as children, and further insertion of 50 under 60. The instructor performs necessary rotations (indicated by 'L' and 'R') to maintain AVL balance. Three hand-drawn tree diagrams illustrate the construction stages, culminating in a final structure where the instructor counts and marks option (b) 3 as the correct answer for the number of leaf nodes.
The video provides a focused walkthrough of AVL tree balancing mechanics using a concrete numerical example. The teaching flow moves from problem identification to step-by-step insertion, highlighting the necessity of rotations when balance factors are violated. The final conclusion relies on correctly identifying leaf nodes in the resulting balanced binary search tree, reinforcing that insertion order and balancing operations directly impact the final topology.