Master Binary Search with Duplicates: LeetCode 154 Explained | InfoTechiezz DSA

Welcome to InfoTechiezz! 🚀 In this video, we solve LeetCode 154: Find Minimum in Rotated Sorted Array II using C++. This Hard problem extends Binary Search to handle duplicates. Learn how to find the minimum element efficiently even when the array contains repeated values. We break down the logic step-by-step, from problem understanding to optimized coding. Master the modified Binary Search technique required for rotated arrays with duplicates. Perfect for intermediate coders prepping for FAANG interviews. We focus on writing clean, efficient C++ code handling edge cases. ⏱️ Timestamps: 0:00 Intro & Welcome 0:26 What is the Question? 3:10 Binary Search Explanation 5:00 Pseudo Code Explanation 12:30 Coding Part (C++) 14:45 Outro & Next Steps 🔗 Resources: Problem: https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii/ 🔑 Key Concepts: Modified Binary Search Handling Duplicates (nums[left] == nums[mid]) Time Complexity: O(log n) average, O(n) worst Space Complexity: O(1) Rotated Sorted Array Logic ⚠️ Common Mistakes: Ignoring duplicate edge cases Standard Binary Search failure Infinite loops in pointer updates Missing base cases for small arrays 📢 About InfoTechiezz: We provide high-quality tech tutorials for students and developers. Our mission is to simplify complex coding concepts. Join us on the journey to become a Software Engineer. Subscribe for weekly videos on Data Structures, Algorithms, and Web Development. 👇 Support Us: If this helped, please LIKE and SUBSCRIBE! We aim to make Hard DSA problems easy. Comment "BINARYSEARCH" below! Join our community mastering C++. Your support helps us reach 1M views! #LeetCode154 #BinarySearch #Cplusplus #DSA #InfoTechiezz #CodingInterview #HardProblem #CppProgramming #Algorithm #TechEducation #FAANGPrep #LearnToCode #SoftwareEngineering #Programming #ComputerScience #RotatedArray #Duplicates #CodingTips #DevCommunity #CodeNewbie #TechJobs