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Complete the pairs function below. pairs has the following parameter(s): int k: an integer, the target difference; int arr[n]: an array of integers ; Returns. int: the number of pairs that satisfy the criterion
Mar 14, 2021 · In this HackerRank Pairs interview preparation kit problem You are Given an array of integers and a target value, determine the number of pairs of array elements that have a difference equal to the target value.
Given N numbers, count the total pairs of numbers that have a difference of K.
Given an array of integers and a target value, determine the number of pairs of array elements that have a difference equal to the target value.
Jun 28, 2020 · Determine the number of pairs of array elements that have a difference equal to a target value. For example, given an array of [1, 2, 3, 4] and a target value of 1, we have three values meeting the condition: , , and . Function Description.
def pairs (k, arr): # Convert the list to a set for O(1) lookups arr_set = set (arr) count = 0 # Check for each element if there's a pair with difference k for x in arr: if x + k in arr_set: count += 1 if x-k in arr_set: count += 1 # Since each pair is counted twice, we return half the count return count // 2
Aug 28, 2021 · Given an array of integers and a target value, determine the number of pairs of array elements that have a difference equal to the target value. Here is the link to the problem: https://www.hackerrank.com/challenges/pairs/problem. My algorithm is supposed to do the following: Sort the array.
Dec 11, 2016 · function pairs(k, arr) { const points = new Set(arr); let pairs = 0; for (let i = 0; i < arr.length; i++) { if (points.has(arr[i] - k)) { pairs++; } } return pairs; } console.log(pairs(2, [1, 5, 3, 4, 2]));
Jul 23, 2021 · In this HackerRank Beautiful Pairs problem solution, we have given two arrays A and B, and both containing N integers and we need to change exactly one element in B so that the size of the pairwise disjoint is beautiful set is maximum.
Sep 2, 2019 · 1. You will be given an array of integers and a target value k. Determine the number of pairs of array elements that have a difference equal to k. Link:...
