Linked list Practice Questions

Duration: 1 min

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Inside: a video lesson and guided study material.

Module outline

  1. English Communication: Communication Assessment, English Writing Ability, Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions)
  2. Artificial Intelligence (AI Literacy): AI & ML by Arun Sir
  3. Programming, Logic & Problem Solving (Technical Assessment): Language Design, Pseudo Codes
  4. DSA (Technical Assessment): Introduction to DS, Array, Stack, Queue, Linked List
  5. Software Engineering (Technical Assessment): Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  6. OOPs (Technical Assessment): Object Oriented Programming (OOPS)
  7. DBMS (Technical Assessment): Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, Relational Calculus, Transaction Management, Concurrency Control, Database Recovery, ORDBMS, Database Security & Authorization, Query Processing & Optimization, Enhanced Data Models, Data Warehousing & Mining, Big Data Systems, NoSQL
  8. SQL (Technical Assessment): SQL
  9. Networking (Technical Assessment): Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics, Network Security, Mobile Technology
  10. Modern Engg Awareness (Technical Assessment): Emerging Tech Trends, Cyber and Info Security
  11. Debugging Assessment: Coding Questions by Yash Sir, C Programming by Yash Sir, Programming in C++, Java
  12. Cognitive Assessment: Gamified / Game Based Aptitude, Seating Arrangements, Puzzle Solving (Puzzles), Data Arrangement, Blood Relations, Directions (Direction Test), Coding Decoding, Series (Number and Letter Series) (Numerical Relations and Reasoning), Logical Sequence Of Words, Ranking, Order and Sequence, Data Sufficiency, Inequality, Venn Diagram, Syllogisms, Cubes & Dices, Calendar, Clock, Analytical Reasoning (Counting Figures Reasoning), Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Selection Decision Table (Decision Making), Behavioral Assessment (Behavioral Competency Profiling) (Psychometric Test)
  13. HR Interview: MR & HR Interview Preparation
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video presents a C programming problem involving a recursive function operating on a linked list. The linked list is defined as 1->2->3->4->5->6. The function fun takes a pointer to a node. The instructor analyzes the code line by line. First, he identifies the base case if(start == NULL) return;. Then he notes the initial print statement printf("%d ", start->data);. The core logic lies in the recursive call fun(start->next->next), which advances the pointer by two nodes instead of one. He draws a diagram on the screen to trace the execution flow. The recursion proceeds: Node 1 calls Node 3, Node 3 calls Node 5, and Node 5 calls NULL. Once the base case is hit, the function returns, and the subsequent print statements execute in reverse order of the calls. This results in the sequence 1, 3, 5 being printed during the descent, and 5, 3, 1 being printed during the ascent. The final output is 1 3 5 5 3 1, which corresponds to option (D).

Chapters

  1. 0:00 – 1:14 00:00-01:14

    The instructor introduces the problem statement displayed on screen: "Q What is the output of following function for start pointing to first node of following linked list? 1->2->3->4->5->6". He reads the C code void fun(struct node* start) and points out the initial print statement printf("%d ", start->data);.

The lecture demonstrates how to trace recursive functions on data structures. By breaking down the code into base cases and recursive steps, and visualizing the call stack, the instructor shows how to predict the output of complex logic involving pointer manipulation.

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