Question

How to get all possible pairs of elements from two array where sum of the elements of every pair is distinct

Answer 1

Given an array of integers, and a number 'sum', find the number of pairs of Store counts of all elements in map m count (Notice that every pair is counted twice).

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Answer 2

given an array of integers and a number sum find the number of pair of store count of all elements in map and count notice that every pair is counted twice...