K-diff Pairs in an Array Leetcode | Leetcode 532 | Leetcode October Challenge

K-diff Pairs in an Array Leetcode | Leetcode 532 | Leetcode October Challenge

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About Video:
This video is about October day 11 leetcode challenge (K-diff Pairs in an Array).

Queries solved in this video:
1)What is K-diff Pairs in an Array.
2)Explanation of K-diff Pairs in an Array through examples.
3)Approach of solving K-diff Pairs in an Array.
4)Code for K-diff Pairs in an Array in c++.

See video for explanation with example and dry run.

Complexity Analysis:
Time Complexity : O(N)
Space Complexity : O(N)

#codinginterview #placementquestion #leetcode #arrays #code

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[lightY]

what is the point of using hashMap when you are using the values, you could use hashSet for this

[RheaSidana-]

what if nums[i] is negative, as the range is -107 <= nums[i] <= 107