The main topics belong to Top Interview 150
- Arrays & Hashing
- Stack
- Two Pointers
- Sliding Window
- Linked List
- Binary Search
- Trees
- Tries
- Backtracking
- Graphs
- 1-D DP
- 2-D DP
- Bit Manipulation
- Math & Geometry
- Heap/Priority Queue
- Intervals
- Greedy
- Advanced Graphs
Roadmap refers to neetcode, the owner of which provides so many inspiring solution for the above topics on YouTube. Besides, I found another useful website, offering all the code for the leetcode topics.