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Complement of Base 10 Integer

Explore how to compute the complement of the binary representation of a base 10 integer using bitwise operations. Understand the problem constraints, practice solving it interactively, and implement your solution in a coding environment to prepare for technical interviews.

Statement

For any nn positive number in base 10, return the complement of its binary representation as an integer in base 10.

Constraints

  • 0n1090 \leq n \leq 10^9

Examples

Understand the problem

Let’s take a moment to make sure you’ve correctly understood the problem. The quiz below helps you check if you’re solving the correct problem:

Complement of Base 10 Number

1.

What is the correct output if the following value is given as input?

Input = 39

A.

24

B.

39

C.

27


1 / 6

Figure it out!

We have a game for you to play. Rearrange the logical building blocks to develop a clearer understanding of how to solve this problem.

Sequence - Vertical
Drag and drop the cards to rearrange them in the correct sequence.

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Try it yourself

Implement your solution in the following coding playground.

Python
usercode > main.py
def find_bitwise_complement(num):
# Replace this placeholder return statement with your code
return -1
Complement of Base 10 Integer