Sorting
Bubble, insertion, selection, merge, quick and heap sort.
6 pages
Open hubStudy dashboard
9 hubs, 90 topic pages.
The Feynman workflow
Study the page, then record a 2–3 minute explanation on your phone. Each page ends with self-check questions, a timer, a checklist and a notes box to help you prepare.
Algorithms
Searching
Linear, binary, interpolation, exponential, ternary, rotated arrays, peaks.
7 pages
Open hubLinear structures
Arrays, linked lists, stacks, queues, deques, priority queues.
8 pages
Open hubTrees
Binary trees, BST, AVL, min- and max-heaps, B-trees.
6 pages
Open hubGraphs
Traversals, shortest paths, spanning trees, topological sort, Union-Find.
11 pages
Open hubAlgorithm paradigms
Divide and conquer, greedy, dynamic programming, backtracking, NP-completeness.
5 pages
Open hubML Foundations
ML foundations
Paradigms, metrics, bias–variance, regularization, cross-validation, preprocessing, leakage.
8 pages
Open hubML Algorithms
ML algorithms
Regression, KNN, Naive Bayes, trees and ensembles, SVM, clustering and PCA.
14 pages
Open hubDL
Deep learning
Neurons, training and optimisers, regularization, CNNs, RNNs, attention, Transformers, generative models.
25 pages
Open hub