Search⌘ K
AI Features

Solution: K Maximum Sum Combinations From Two Arrays

Explore how to identify the top k maximum sum pairs from two integer arrays efficiently. This lesson helps you understand using max heaps with sorting to avoid brute-force solutions, optimizing time and space complexity, and applying the top k elements pattern in coding interviews.

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 0i,j<n0 ≤ i, j < n.

Note: The output should be sorted in non-increasing order.

Constraints:

  • 1n10001 ≤ n ≤ 1000 ...