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Grokking the Coding Interview Patterns

Solution: Find the Distance Value Between Two Arrays

Explore how to compute the distance value between two integer arrays by applying sorting and binary search techniques. Understand how to efficiently compare array elements based on a distance threshold and use a two-pointer approach to optimize your solution's time and space 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]| <= d.

Constraints:

  • 1<=1 <= arr1.length, arr2.length <=500 <= 500

  • ...