2176. Count Equal and Divisible Pairs in an Array | Leetcode Daily - Python
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Dive into LeetCode 2176, 'Count Equal and Divisible Pairs in an Array'! In this video, we break down the problem statement step-by-step, exploring exactly what conditions a pair of indices (i, j) needs to satisfy: i must be less than j, the values nums[i] and nums[j] must be equal, and the product i times j must be divisible by k. We'll walk through a clear example to illustrate the logic. Then, we'll implement a straightforward solution using nested loops in Python, explaining the code line by line. Finally, we analyze the time complexity (O(N^2)) and space complexity (O(1)) of this approach, discussing why it's suitable for the given constraints.
Perfect for coding interview preparation and improving problem-solving skills.
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Solution Link:
https://leetcode.com/problems/count-e...
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