DSA Interview Prep
A focused path through data structures, algorithms, and problem-solving patterns — built for cracking technical interviews. Best after fluency in one programming language.
Complexity & problem-solving
Big-O analysis and a repeatable approach to unseen problems.
Arrays, strings & hash maps
The bread-and-butter structures behind most interview questions.
Linked lists, stacks & queues
Pointer manipulation and the classic linear structures.
Trees & graphs
Traversals, BFS/DFS, and the recursion patterns interviews love.
Sorting & searching
Binary search variants and how the standard sorts actually work.
Backtracking & dynamic programming
The hardest common patterns, built up from small examples.
Mock interviews & strategy
Practice under interview conditions and prepare your process, not just answers.