First Negative Number in Every Window of Size K | Fixed Sliding Window | Asked in Amazon & TCS, more

🔥 *First Negative Number in Every Window of Size K | Sliding Window Technique* CLASS NOTES LINK - https://drive.google.com/file/d/1KBuW... Timestamps for quick navigation 👇 00:00 Introduction 01:43 Problem Identification — Fixed Size Sliding Window Concept 02:13 Brute Force Approach Explained (O(N × K)) 06:05 Optimized Sliding Window Approach with Queue 07:16 Window Movement Logic (Add & Remove Elements) 10:27 Why Queue is Used to Track First Negative Number 11:52 Optimized Algorithm Dry Run 15:19 Pseudocode Explanation Step-by-Step 17:48 Time and Space Complexity Analysis 18:34 Code Implementation (Complete Solution) In this video, we solve the classic sliding window problem *“First Negative Number in Every Window of Size K”* step-by-step with an optimal approach. You will learn: ✅ Brute force vs optimized solution ✅ How to maintain elements inside a window efficiently ✅ Using queue/deque for O(N) complexity ✅ Sliding Window pattern for interviews This problem is very important for coding interviews and helps build strong intuition for fixed-size window problems. 📌 *Topics Covered* Sliding Window Basics Fixed Window Technique Queue / Deque Optimization Interview Tips & Edge Cases 💻 *Code Implementation:* Explained clearly during the video. 📢 *Join My Community* 👉 WhatsApp Channel: https://whatsapp.com/channel/0029VaAZ... 👉 LinkedIn:   / pratham-jaiswal-97721a238   🚀 If you found this helpful, don’t forget to: 👍 Like 💬 Comment your doubts 🔔 Subscribe for more DSA content #DSA #SlidingWindow #CodingInterview #LeetCode #DataStructures #Algorithms #TwoPointers #programming #slidingwindow #coding #dsa sliding window algorithm sliding window technique sliding window technique in dsa sliding window by striver sliding window by raj sliding window by love babbar sliding window by shashwat sliding window technique algorithm sliding window dsa questions sliding window in coding sliding window in programming shashwat dsa course shashwat java plus dsa playlist sliding window playlist java sliding window FAANG Interview