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Grokking the Coding Interview Patterns in Go

Solution: Find the Distance Value Between Two Arrays

Explore how to calculate the distance value between two arrays by sorting one array and applying binary search on it. Understand how to efficiently identify elements in one array that do not have close counterparts within a given distance in the other array. This lesson helps you master using the sort and search pattern to solve array problems with optimized time complexity.

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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]| <= ...