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Grokking the Coding Interview Patterns in C++

Solution: Find the Distance Value Between Two Arrays

Understand how to calculate the distance value between two integer arrays by sorting one array and using binary search to efficiently identify elements within a specified distance. This lesson guides you through the step-by-step process of implementing the solution, focusing on time and space complexity optimization using the sort and search pattern.

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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]| <= ...