Coding Patterns
Learn essential coding patterns like sliding window, two pointers, fast & slow pointers, and dynamic programming used in coding interviews.
Sort and Search
The Sort and Search pattern is one of the most powerful and frequently tested patterns in FAANG-style coding...
Math and Geometry
In interview-style problem solving, “Math and Geometry” doesn't mean memorizing formulas or doing textbook exercises like proving theorems....
Custom Data Structures
Standard data structures like arrays, linked lists, stacks, queues, trees, and hash maps form the foundation of computer...
Union Find
Many graph and connectivity problems seem to require complex traversal algorithms or maintaining expensive data structures. Questions about...
Top K Elements
The Top K Elements pattern is one of the most practical techniques for solving selection and ranking problems...
K-way Merge
If you are preparing for technical coding interviews, you are likely familiar with the classic Merge Sort algorithm....
Two Pointers
Two Pointers is one of the highest-ROI techniques for coding interviews. It is simple to implement and easy...
In-place Manipulation of a Linked List
In-place manipulation of a linked list is a fundamental coding pattern that allows us to modify a linked...
Intervals
Intervals pattern shows up constantly in interview questions because real life is full of “ranges”: meetings on a...
