LeetCode 3381 | Maximum Subarray Sum With Length Divisible by K | Super Easy Explanation

In this video, we solve LeetCode 3381 – Maximum Subarray Sum With Length Divisible by K using a clean and powerful prefix-based technique. You are given an array and an integer k. Your task is to find the maximum subarray sum, with the condition that the subarray length must be divisible by k. We break down: ✔ Problem Explanation ✔ Key Observations ✔ Prefix Sum + Remainder Grouping Trick ✔ Java Code (Optimal O(n)) Source Code: https://github.com/CodeKage01/LeetCode-Problems/blob/main/3381.%20Maximum%20Subarray%20Sum%20With%20Length%20Divisible%20by%20K.java Don’t forget to Like & Subscribe ❤️