Find Maximum Number from Given Bits
Duration: 5 min
This video lesson is available to enrolled students.
Inside: a video lesson and guided study material.
Module outline
- Reasoning Ability: Seating Arrangements, Syllogisms, Coding Decoding, Series (Number and Letter Series) (Numerical Relations and Reasoning), Crypt Arithmetic, Clock, Calendar, Data Sufficiency, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Blood Relations, Directions (Direction Test), Inequality
- Technical Ability (Aptitude): Percentage, Ratio and Proportion (Ratios), HCF LCM, Divisibility Rules, Average, Sequence and Series (Series), Number System, Permutation and Combination, Probability, Profit and Loss, Time and Work, Simple Interest and Compound Interest, Pipe and Cistern, Speed Time and Distance, Mixture and Alligation, Mensuration and Geometry, Age Problems, Partnership, Data Interpretation, Arithmetic, Powers and Exponents (Surds and Indices), Algebra, Statistics, Mental Ability
- Verbal Ability: Vocabulary, Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Cloze Test (Cloze Passage), Verbal Analogy (Word Based Analogy), Sentence Construction, Facts, Inference and Judgements
- Programming Fundamentals: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums
- Coding: Coding Questions by Yash Sir, C Programming by Yash Sir, Python for Placements by Yash Sir, DSA using Python, Object Oriented Programming (OOPS)
- Pseudo Code: Pseudo Codes
- Puzzle Solving: Puzzle Solving (Puzzles)
- English Grammar: Noun, Pronoun, Adjectives, Preposition, Articles, Direct and Indirect Speech, Tenses, Conjunction, Subject Verb Agreement (Verb Noun Agreement), Modals, Active Passive Voice (Voice), Determiner, Adverb, Verb
- Essay Writing: English Writing Ability
AI summary & chapters
AI Summary
An AI-generated summary of this video lecture.
This video is a programming lecture from Knowledge Gate Eduventures, presented by an instructor named Yash Jain Sir. The lesson focuses on solving a problem related to finding the maximum number of shops Jetha can visit, given constraints on the number of bits (L) used to represent the total number of shops (N). The problem is introduced with a narrative about Jetha liking chocolates and needing to visit shops. The instructor explains that the total number of shops N is 2^L, and the number of shops he can visit is N - i, where i is his starting shop. The solution is derived as (2^L) - i. The lecture then transitions to a C programming implementation, where the instructor writes code to solve the problem. The code uses the pow() function to calculate 2^L, subtracts the starting shop index i, and prints the result. The video includes on-screen text, code snippets, and a small video feed of the instructor.
Chapters
0:00 – 2:00 00:00-02:00
The video begins with the Knowledge Gate logo, followed by a slide showing the company's various educational offerings, including 'KG GATE & COLLEGE', 'KG PLACEMENT PREP', 'KG CODING', and 'KG UGC NET PREP'. The main content starts with a PowerPoint slide presenting a programming problem. The problem states that there are N shops in a market, labeled 1 to N, and Jetha starts from shop i. He has L bits to represent N, and the task is to find the maximum number of shops he can visit. The slide provides two examples: Example 1 with i=2, L=3, resulting in N=8 and 6 shops to visit; Example 2 with i=1, L=2, resulting in N=4 and 3 shops to visit. The instructor, Yash Jain Sir, is visible in a small window at the bottom right, and the slide includes a meme of a man with the text 'When Someone Unknown Reacts Haha On my Profile Pic'.
2:00 – 4:30 02:00-04:30
The instructor explains the problem, emphasizing that the total number of shops N is 2^L, as L bits can represent 2^L different values. He writes the formula on the screen: N = 2^L. He then explains that the number of shops Jetha can visit is N - i, which simplifies to 2^L - i. He demonstrates this with the examples: for L=3, N=8, and 8-2=6; for L=2, N=4, and 4-1=3. The instructor then transitions to coding, writing a C program. He declares variables i, l, and j. He uses scanf to read i and l. He calculates j as pow(2, l) - i, where pow(2, l) is 2^l. He then prints the result j. The code is shown on the screen, with the instructor explaining each line. The video ends with the instructor concluding the explanation of the code.
The video presents a complete, step-by-step tutorial on solving a programming problem. It starts with a clear problem statement, uses real-world examples to illustrate the concept of binary representation (2^L), and then provides a direct, functional C code solution. The progression from problem understanding to code implementation is logical and well-structured, making it an effective learning resource for students preparing for coding interviews or competitive programming.