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Grokking the Coding Interview Patterns

Solution: Find the Distance Value Between Two Arrays

Understand how to find the distance value between two integer arrays by sorting one array and using binary search to check the element distances. This lesson helps you implement a fast approach to identify elements in one array that meet a distance criterion relative to the other, optimizing performance through sorting and search patterns.

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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]| <= ...