GAURAV YADAVgaurav246blogs.hashnode.dev·Dec 26, 2023151 DSA Problem journeyQ17:Given an array Arr[] of size L and a number N, you need to write a program to find if there exists a pair of elements in the array whose difference is N. Example : Input: L = 6, N = 78 arr[] = {5, 20, 3, 2, 5, 80} Output: 1 Explanation: (2, 80) h...17 likesC++Add a thoughtful commentNo comments yetBe the first to start the conversation.