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Grokking the Coding Interview Patterns in C++

K Maximum Sum Combinations From Two Arrays

Explore methods to identify the K largest sum combinations formed by adding elements from two arrays. Understand how to use heaps and sorting to efficiently solve this problem and return results in non-increasing order.

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Statement

You are given two integer arrays, arr1 and arr2, each of size nn. You are also given an integer k. Your task is to return the k largest sum combinations that can be formed by adding one element from arr1 and one element from arr2, for all possible pairs (arr1[i] + arr2[j]), where 0≤i,j<n0 ≤ i, j < n ...