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Grokking the Coding Interview Patterns in JavaScript

Solution: Find the Distance Value Between Two Arrays

Understand how to find the distance value between two arrays by sorting one array and using binary search to check element differences within a threshold. This lesson guides you through implementing a solution that efficiently counts valid elements without brute-force checks, illustrating time and space complexity considerations.

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Statement

You are given two integer arrays, arr1 and arr2, along with an integer d. Your task is to find and return the distance value between these arrays.

Note: The distance value is defined as the count of elements in arr1 for which there is no element in arr2 such that ∣arr1[i]−arr2[j]∣<=|arr1[i]-arr2[j]| <= ...