James Peralta

00:00 - Introductions 01:36 - Question 1 Discussion Begins | 16. 3Sum Closest 06:56 - Interview Strategy Talk 07:02 - Question 1 Begins Implementation | 16. 3Sum Closest 26:04 - Question 2 Introduced | 253. Meeting Rooms II 29:37 - Candidate Begins Planning for Question 2 35:00 - Heap Data Structure Introduced 41:00 - Candidate Aligns on Min Heap Strategy 43:51 - Question 2 Code Implementation Begins 49:43 - Feedback!!

00:00 - Introductions 04:57 - Question 1 | 921. Minimum Add to Make Parentheses Valid 27:22 - Question 2 | 380. Insert Delete GetRandom O(1) 51:15 - Feedback!!

00:00 Why serialization and deserialization are necessary 03:01 Discussion of tree traversal methods 05:00 How to preserve tree structure during serialization 07:43 Derialization algorithm using pre-order traversal 10:14 Deserialization algorithm using pre-order traversal 23:46 428. Serialize and Deserialize N-ary Tree (https://leetcode.com/problems/serialize-and-deserialize-n-ary-tree/description/) 31:55 N-ary tree serialization implementation 35:31 N-ary tree deserialization implementation

00:00 - Introductions 01:55 What is AGI? 04:22 Why aim for AGI and what happens after? 06:43 Why are people afraid of AGI? 07:48 Are you optimistic or pessimistic about AGI? 08:43 What could go wrong with AGI? (The Ethics/Alignment Problem) 09:36 Are we close to AGI with LLMs today? 11:07 What is the smartest thing LLMs can do today? 11:46 Can AGI be controlled? 13:00 What do people need to know about AGI hype cycles? 15:43 Where is the money in the AI sector? Pre-training vs. Post-training 16:20 Discussion of Apple reasoning paper 23:44 Why do we expect AI to reason without tools? 24:01 Your Brain on ChatGPT Paper (Cognitive Debt) 30:00 How should people study programming with AI tools today? 34:39 Is AI ruining kids’ ability to learn naturally? 36:42 How to get started studying AI and how it differs from software engineering?