Oh My Algorithm
Catalog

Algorithm Inventory

Explore algorithms grouped into categories by domain.

Fundamentals

2 categories
📊

Sorting

Ordering data — the art of compare & swap

8
🔍

Searching

The fastest path to the value you seek

10

Data Structures

2 categories
📦

Data Structures

Designing the containers that hold and retrieve data

7
🌳

Trees

Branching structures that grow in hierarchy

4
Tree TraversalO(n)AVL TreeO(log n)Segment TreeQuery/Update O(log n)TrieO(m) (string length)

Paradigms

3 categories
🧠

Dynamic Programming

Stack answers to small problems into big ones

2
Fibonacci Sequence (DP)O(n)Longest Increasing Subsequence (LIS)O(n²)
🎯

Greedy

Pick the locally best choice at every step

3
Coin Change (Greedy)O(n)Activity SelectionO(n log n)Huffman CodingO(n log n)
🧩

Backtracking

Try, and step back when you hit a wall

3
N-QueensO(N!)Maze SolverO(4^(N·M))Sudoku SolverO(9^(empty cells))

Graphs

1 categories
🕸

Graphs

A web of relationships in vertices and edges

5

Strings

1 categories
🔤

Strings

Pattern matching sliding over text

3
KMP (Knuth-Morris-Pratt)O(n + m)Rabin-KarpAvg O(n + m)Boyer-MooreBest O(n / m)

Systems & Networks

2 categories
🌐

Network

Exchanging data through layers and protocols

2
OSI Model7-Layer ModelTCP HandshakeConnection Lifecycle
💾

Hardware & Memory

The physical structure beneath compute and data

1
HBM (High Bandwidth Memory)3D-Stacked DRAM

Infrastructure & DevOps

4 categories
🐳

Docker

Packaging a whole runtime into images and containers

8
🪵

Kafka

Event streams flowing through an append-only log

7
🌿

Git

Lines that fork and meet again — branching and merging

3
☸️

Kubernetes

Declare the state you want, and it keeps matching it

12

Math & Statistics

1 categories
🎲

Probability & Statistics

Distributions and patterns hidden in data

1
Benford's LawFirst-Digit Law

Physics

1 categories
🌌

Modern Physics

The laws woven by spacetime and light

1
Special RelativityTime Dilation