In this video we will see how to find all pairs from two unsorted arrays of distinct elements, whose sum is equal to X. Examples: Input : arr1[] = {-1, -2, 4, -6, 5, 7} arr2[] = {6, 3, 4, 0} x = 8 Output : 4 4 5 3 Check out the video to see how we implement this!! Practice Problem: https://practice.geeksforgeeks.org/problems/find-all-pairs-whose-sum-is-x5808/1 Article: https://www.geeksforgeeks.org/given-two-unsorted-arrays-find-pairs-whose-sum-x/ SDE Sheet: https://www.geeksforgeeks.org/sde-sheet-a-complete-guide-for-sde-preparation/