Max Vowels in a Substring | Sliding Window Method | Leetcode Solutions

Unlock the secret to solving one of the most common coding interview problems using the sliding window technique!
In this video, we dive into a fun and challenging problem:
👉 “Given a string s and an integer k, find the maximum number of vowels in any substring of length k.”

We’ll break it down step-by-step with clear Python code and real examples:

What makes this problem tricky?

Why brute force fails?

How sliding window solves it efficiently!

📚 Example Covered:

Input: "abciiidef", k = 3 → Output: 3

Input: "aeiou", k = 2 → Output: 2

Input: "leetcode", k = 3 → Output: 2

👨‍💻 Perfect for:

FAANG interview prep

LeetCode practice

Python coding learners

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