Day 684 - Practice Recursion - Leetcode 3307 - Find the Kth char in String game II

Video Summary: In this problem, we need to check what the Kth character is after applying some number of operations. Operations are of two types (0 and 1). Brute Forcing the solution won't work due to the constraints. Let's observe the smart way to solve. ------------------------------------------------------------------ Hi everyone, this is the 7th video of our Playlist Recursion. Problem Name : 3307 - Find the Kth char in String game II Solution Link : https://leetcode.com/problems/find-the-k-th-character-in-string-game-ii/submissions/1686505217/?envType=daily-question&envId=2025-07-04 My POTD Playlist : • https://www.youtube.com/playlist?list=PLq197d8rBM7lYrpqiB8ycGY6TTwutZeYw My Sliding window Playlist : • https://www.youtube.com/playlist?list=PLq197d8rBM7lbrBZBv5GrpbhSa0oyIsJv My Bit Manipulation Playlist : • https://www.youtube.com/playlist?list=PLq197d8rBM7kRX1SUZEnDK7Tbe1JeKzNI My Recursion and DP Playlist : • https://www.youtube.com/playlist?list=PLq197d8rBM7mAYpf9msc_gzE4p9HiqxtR My Graph Playlist : • https://www.youtube.com/playlist?list=PLq197d8rBM7kztq9rzXUOSMoWS7P4NJZb. My Math Problems Playlist : • https://www.youtube.com/playlist?list=PLq197d8rBM7lQ2rxabUjw0tA2S0HdSpRh My HashMap problems Playlist : • https://www.youtube.com/playlist?list=PLq197d8rBM7lyMCN2GYwcfNTW4qGBQDYr My GitHub Repo for interview preparation: https://github.com/Abdul-Rahimm/LeetCode_2025 ✨ Timelines✨ 00:00 - Intro and Similar problem 1:25 - Understanding the Problem 5:45 - Brute Force - MLE 9:49 - Building Intuition for Optimal Approach 15:50 - Another test case 20:45 - Coding the Recursive Logic 28:30 - Further dry run to consolidate concept #youcanlearnanything #dsa #education #algorithms #leetcode #easy #arrays #leetcodeproblems #leetcodechallenge #leetcodeing #problemoftheday #problemsolving #dsa #dsaproblems #dsaforbeginners #algorithms #algorithmbasics #algorithmexplained