Arrays Series #5- Count Pairs with given sum - Solution Explained in Java

Given an array of N integers, and an integer K, find the number of pairs of elements in the array whose sum is equal to K.
Example 1:
Input:
N = 4, K = 6
arr[] = {1, 5, 7, 1}
Output: 2
Explanation:
arr[0] + arr[1] = 1 + 5 = 6
and arr[1] + arr[3] = 5 + 1 = 6.
Practice links:
practice.geeksforgeeks.org/pr...
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Created and Instructed by:
Varsha Das
✒ LinkedIn - / varsha-das-se
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[@santoshfulgame7066]

Great Explanation Thanks...!

[@codewithease-byvarsha]

Glad it was helpful!Do spread the word with your peers!

[@garvitarora7777]

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[@kannan10308]

Your explanation is not at all clear.

[@hike_explorer]

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