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Grokking Bit Manipulation for Coding Interviews

The ultimate guide to bit manipulation for coding interviews. Developed by FAANG engineers, practice with real-world interview questions, and get interview-ready in just a few hours.

Intermediate

45 Lessons

Certificate of Completion

The ultimate guide to bit manipulation for coding interviews. Developed by FAANG engineers, practice with real-world interview questions, and get interview-ready in just a few hours.

AI-POWERED

Mock Interview

Explanations

AI-POWERED

Mock Interview

Explanations

This course includes

50 Playgrounds

7 Challenges

11 Quizzes

Course Overview

What You'll Learn

Course Content

Recommendations

Course Overview

This course teaches bit manipulation, a powerful technique to enhance algorithmic and problem-solving skills. It is a critical topic for those preparing for coding interviews for top tech companies, startups and industry leaders. Competitive programmers can take full advantage of this course by running most of the bit-related problems in O(1) complexity. The course will begin by educating you about the number system and its representation, decimal and binary, followed by the six bitwise operators: AND, OR,...Show More

This course teaches bit manipulation, a powerful technique to enhance algorithmic and problem-solving skills. It is a critical t...Show More

What You'll Learn

Master problem-solving that involves bit manipulation.

Master the bit manipulation, which allows you to organize all inputs in binary representation at the memory levels.

Master how the bit-level operations are computed. Understand that bit-level operations are based on all the arithmetic operations built into all languages.

Solve problems that are commonly asked in coding interviews related to bit manipulation.

These bit tricks help in competitive programming in running algorithms mostly in O(1) time.

Solutions are available in 5 different languages.

Master problem-solving that involves bit manipulation.

Course Content

Getting Started

2 Lessons

Get familiar with the basics and importance of bit manipulation for coding interviews.

Introduction to Bit Manipulation

What is Bit Manipulation?

Number Systems, Bitwise, and Binary

6 Lessons

Get started with understanding number systems, bitwise operations, and binary conversions.

Introduction to Number Systems

Decimal Number System

Binary Number System and Its Representation

What Are Bitwise Operators?

Count the Number of Digits in an Integer

Convert Decimal Number to Binary Number

Bitwise AND

9 Lessons

Examine the functionalities and efficient techniques of the Bitwise AND operator.

Introduction to AND

Bitwise AND, Computations, and Examples

Challenge 1: Count Set Bits

Solution Review: Count Set Bits

Counting Bits II

Challenge 2: Check If Number Is Even/Odd

Solution Review: Check If Number Is Even/Odd

Challenge 3: Power of 2

Solution Review: Power of 2

Bitwise OR

3 Lessons

Grasp the fundamentals of the Bitwise OR operator, computations, and bit manipulation techniques.

Introduction to OR Operator

Bitwise OR, Computations, and Examples

Number Of Flips Required To Make a|b Equal to c

Bitwise NOT

3 Lessons

Explore the Bitwise NOT operator, its role in computations, and switching number signs.

Introduction to NOT

Bitwise NOT, Computations, and Examples

Switch Sign of a Number

Bitwise XOR

10 Lessons

Investigate the XOR operator's applications in swapping, detecting opposite signs, and problem-solving.

Introduction to XOR

Bitwise XOR, Computations, and Examples

Swap Two Numbers

Find Odd Occurring Element

Detect If Two Integers Have Opposite Signs

Hamming Distance

Challenge 1: Single Number

Solution Review: Single Number

Challenge 2: Missing Number

Solution Review: Missing Number

Bit Shifting - Left, Right

3 Lessons

Build on bit shifting techniques, leveraging left, arithmetic, and logical right shifts for optimal computations.

Introduction to Bit Shifting

Left Shifts

Arithmetic and Logical Right Shifts

Bitwise LeftShift Problems

5 Lessons

Try out left-shift problems to find bit lengths, check k-th bits, and generate subsets.

Find Bit Length of a Number

Check If Kth Bit Is Set/Unset

Subsets / Powerset

Challenge 1: Get First Set Bit Position

Solution Review: Get First Set Bit Position

Bitwise RightShift Problems

3 Lessons

Unpack the core of bitwise right shift operations to check and locate set bits.

Check If Kth Bit Is Set/Unset

Challenge 1: Get First Set Bit Position

Solution Review: Get First Set Bit Position

10.

Final Thoughts

1 Lessons

Lay out a solution for applying bit-level operations in coding challenges and tech interviews.

Conclusion

Course Author

Gopi Gorantala

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@_webarchitect_

"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"

Evan Dunbar

ML Engineer

"You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it."

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Software Developer

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Front-end Developer

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