- DSA - 3 new - DP, Hashmap
- DSA - 1 new - Word Search II
- DSA - 2 Problems - Counting Bits, Trie Design
- DSA - 2 new (Course Schedule + Implement Trie)
- DSA - 1 new - Word Search (DFS + Backtracking)
- DSA - 2 new (sliding window, linked list)
- DSA - 2 New, 2 revision (DFS, HashMap, Greedy)
- DSA - 1 new - House Robber (DP)
- DSA - 1 new - climbing stairs (DP)
- DSA - 2 new (DP Formulation, Union-Find Revisit)
- DSA - 2 new (Bit Manipulation Fundamentals)
- DSA - 2 new (DFS Pattern, Recursion to DP Insight)
- DSA - 2 new (Intervals: Merge & Insert)
- DSA - 1 New, 1 Revision (DP, Greedy, Heaps)
- DSA - 1 new (Matrix Simulation)
- DSA - 2 new, 1 revision (Greedy, Kadane, Linked List)
- DSA - 1 new, 2 revision (Hashing, Linked List, Strings)
- DSA - 1 new, 3 revision (Matrix, DFS, Sliding Window, Binary Search)
- DSA: 1 new, 2 revision (DP, Backtracking, Graph)
- Design: Activity Feed
- System Design Overview
- DSA: 1 new, 3 revision (Sliding Window, DP, LL, Graph)
- Design: URL Shortener
- Tracker - Vibe Project
- Touch Typing Speed - 95 wpm!