1497. Check If Array Pairs Are Divisible by k | Leetcode Daily (POTD) 1 Oct 2024 | Java | Hindi

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"1497. Check If Array Pairs Are Divisible by k" is a medium-level problem and the daily challenge (POTD) for 1 October 2024 on LeetCode. The solution presented in the video is coded in Java, but the approach is explained using a dry-run on a blackboard. This method makes the video accessible and beneficial for individuals with different programming backgrounds, as it focuses on the underlying logic rather than language-specific details.

*Intuition:*
To form valid pairs, if one number in the pair has a remainder of `x` when divided by `k`, the other number must have a remainder of `k - x`. This ensures that the sum of both numbers is divisible by `k`. Special care is needed for pairs where the remainder is zero.

Other problems for practice:

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The math behind the solution is brilliantly explained ! ✨

QuadbTech
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your explaination is too good. Thanks for help

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