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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.

4.5
45 Lessons
3h
Join 2.9 million developers at
Join 2.9 million developers at
LEARNING OBJECTIVES
  • 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.

Learning Roadmap

45 Lessons11 Quizzes7 Challenges

1.

Getting Started

Getting Started

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

2.

Number Systems, Bitwise, and Binary

Number Systems, Bitwise, and Binary

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

3.

Bitwise AND

Bitwise AND

9 Lessons

9 Lessons

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

4.

Bitwise OR

Bitwise OR

3 Lessons

3 Lessons

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

5.

Bitwise NOT

Bitwise NOT

3 Lessons

3 Lessons

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

6.

Bitwise XOR

Bitwise XOR

10 Lessons

10 Lessons

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

7.

Bit Shifting - Left, Right

Bit Shifting - Left, Right

3 Lessons

3 Lessons

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

8.

Bitwise LeftShift Problems

Bitwise LeftShift Problems

5 Lessons

5 Lessons

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

9.

Bitwise RightShift Problems

Bitwise RightShift Problems

3 Lessons

3 Lessons

Unpack the core of bitwise right shift operations to check and locate set bits.
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Author NameGrokking Bit Manipulation forCoding Interviews
Developed by MAANG Engineers
ABOUT THIS COURSE
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, NOT, XOR, and bit-shifting (left, right). You will receive ample practical experience working through practice problems to improve your comprehension. Upon completing this course, you will be able to solve problems with greater efficiency and speed.
ABOUT THE AUTHOR

Gopi Gorantala

Gopi is an engineering leader with 14 years of experience in backend and front-end development. He is a specialist in Java-based technology stack and has worked in India and Europe and remotely for multiple startups, the European government, and FAANG.

Learn more about Gopi

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