Find Peak Element | Binary Search Optimization | C++ Java Python

In this video, we will solve the Find Peak Element problem from LeetCode and learn how to optimize the brute force approach using Binary Search. A peak element is an element that is greater than its neighbors, and the goal is to find any one peak efficiently. We will first understand: The brute force approach (O(n)) and its limitations How to identify that this problem can be optimized using Binary Search The key observation: which side is increasing and where the peak lies How to reduce the search space to achieve O(log n) time complexity Step-by-step dry run and intuition building Clean implementations in C++, Java, and Python This problem is very important because it teaches you how to apply binary search on unsorted-looking problems by using patterns and observations. It is frequently asked in product-based companies and helps in mastering pattern recognition in DSA. Watch till the end to understand how to convert a linear solution into an optimized binary search approach, which is a key interview skill. Rising Brain (DSA Sheet): https://www.risingbrain.org/sheet Connect with me here: LinkedIn –   / anjalikumari22   Instagram –   / rbanjali.codes   Twitter (X) – https://x.com/anjali1kumari?s=21