Mastering Binary Search on Answer: The Book...

If you've ever prepared for a technical interview at companies like Google, Amazon, or Adobe, you've likely encountered the "Allocate Books" problem. It is a classic challenge that tests your ability to look beyond traditional binary search and apply it to a range of possible answers. In this post, we’ll break down the problem and walk through an efficient Java solution that uses the Binary Search on Answer technique. The Problem Statement You are given an array of integers arr, where arr[i] rep