Computer Science Education

Learn Algorithms
Step by Step

Interactive visualizations and exercises to help you master the core algorithms of computer science — from sorting (Quick, Merge, Heap) to searching (Binary, Jump), trees (BST, AVL, Trie), string matching (KMP, Boyer-Moore), and dynamic programming. Free, no sign-up, no tracking.

VisualizePracticeUnderstand

Select a Topic

SortingAvailable

Bubble, merge, quick, and more

SearchingAvailable

Binary, linear, and jump search

Divide & ConquerAvailable

Max subarray, closest pair, median of two sorted arrays

Divide & ConquerRecursion

Tree IntroAvailable

Core terminology, properties, types, and visual structure

Tree StructuresAvailable

BST insert, search, traversals, and custom tree input

Pattern MatchAvailable

KMP, Boyer-Moore, Rabin-Karp, and more

StringPattern Match

String IndexAvailable

Suffix tree and suffix array

Dynamic ProgrammingAvailable

Fibonacci, knapsack, LIS, coin change, and edit distance

Linked ListAvailable

Insert, delete, search, and reverse operations

Linked ListData Structure

Medium Linked ListAvailable

Cycle detection, find middle, merge sorted, and more

Linked ListMedium

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Visualize Every Step

Watch algorithms execute step-by-step with interactive animations.

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Practice with Exercises

Solve challenges with instant feedback and explanations.

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No Sign-up Required

Start learning immediately. Your data stays on your device.