Find Number of Subarrays with Average ≥ Threshold | Sliding Window | JavaScript Coding Question

Описание: Learn how to find the number of subarrays with an average greater than or equal to a given threshold using an efficient sliding window technique in JavaScript. This is a popular coding interview question asked in FAANG interviews.
🔹 Time Complexity: O(n)
🔹 Space Complexity: O(1)
📘 Example covered: arr = [2,2,2,2,5,5,5,8], k = 3, threshold = 4 → Output: 3

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