LeetCode 744 | Find Smallest Letter Greater Than Target | Brute Force + Binary Search скачать в хорошем качестве

LeetCode 744 | Find Smallest Letter Greater Than Target | Brute Force + Binary Search

In this video, we solve LeetCode Problem 744 – Find Smallest Letter Greater Than Target step by step. You are given a sorted array of characters and a target letter. Your task is to find the smallest letter that is lexicographically greater than the target. If such a letter does not exist, the answer wraps around to the first letter in the array. We cover two approaches in this video: ✅ Brute Force Approach – Simple and easy to understand ✅ Binary Search Approach – Optimized solution with O(log n) time complexity This problem is great for learning: Binary Search on characters Wrap-around logic Interview problem-solving strategies Perfect for coding interviews, DSA preparation, and LeetCode beginners.