DS & Algo
Data structures and algorithmic thinking for interviews and real systems.
System Design
Scalability, caching, databases, queues and how to design real systems.
5 lessons Start course →Algorithms
Searching, sorting, recursion, greedy, backtracking and dynamic programming.
6 lessons Start course →Data Structures
Arrays, lists, trees, graphs, and why Big O matters.
8 lessons Start course →