Data Structures & Algorithms

Visual crash course with real-world analogies, animated diagrams, and Python/JS code for arrays, linked lists, stacks, queues, trees, heaps & sorting.

Comprehensive study covering 38 sections: dynamic programming, graphs, heaps, union-find, topological sort, monotonic stacks, and interview patterns.

Fast-track Scaler DSA curriculum covering 56 topics across 5 units: time complexity, arrays, strings, bit manipulation, recursion, hashing, sorting, searching, linked lists, stacks, trees, heaps, DP, and graphs.

Contribution counting, prefix sums and sliding windows, Kadane, two pointers, backtracking, hashing, binary search on answers, Morris traversal, heaps, DP & graphs.