Counting Bits
Explore how to solve the counting bits problem by applying dynamic programming techniques in C++. Learn to generate an array that counts 1s in the binary form of each number up to n, building a foundation for tackling optimization problems in coding interviews.
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Statement
For a given positive integer, n, your task is to return an array of length such that for each where , result[x] is the count of s in the binary representation of .
Constraints:
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:
Counting Bits
What will be the output if ?
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.
Try it yourself
Implement your solution in the following coding playground.
std::vector<int> CountingBits(int n) {// Replace this placeholder return statement with your codereturn {};}