LeetCode 1539 Explained | Kth Missing Positive Number | Brute Force → Binary Search (O log n) скачать в хорошем качестве

LeetCode 1539 Explained | Kth Missing Positive Number | Brute Force → Binary Search (O log n)

Struggling with LeetCode 1539 – Kth Missing Positive Number? In this step-by-step tutorial, we break down the problem from basic intuition to optimal solution. You’ll learn: • Brute Force (Linear Search) • Optimized Gap Counting Trick • Binary Search (Most efficient – O(log n)) • How to derive the key formula: missing = arr[i] - (i + 1) • Interview-friendly explanations + dry run By the end, you’ll know when and why to use Binary Search instead of linear scanning. Perfect for: ✔ DSA beginners ✔ Coding interview prep ✔ FAANG/MAANG aspirants ✔ LeetCode practice Timestamp: 00:00 Problem Overview 03:20 Brute Force 07:40 Optimized Linear 12:30 Binary Search (Best Approach) 18:00 Code Walkthrough 👉 Don’t forget to Like & Subscribe for more DSA breakdowns! #LeetCode #BinarySearch #DSA #CodingInterview #Java #Algorithms