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John Liu b0be304433 Use deque as queue in breadth_first_search_shortest_path_2.py (#12861 )

* Fixes #12857 Use collections.deque as queue in graphs BFS shortest path 2

* Use collections.deque as queue in the correct syntax: queue = deque([start])

* Fix CI error due to HTTP 404 on https://finance.yahoo.com/quote/GOOG/\?p\=GOOG

* Undo change in workflows/build.yml as it's fixed in PR 12864

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Co-authored-by: Maxim Smolskiy <mithridatus@mail.ru>

2025-08-25 00:59:44 +03:00

.devcontainer

Fix devcontainer build failure (#12837 )

2025-07-09 14:25:18 +02:00

.github

Bump actions/upload-pages-artifact from 3 to 4 (#12922 )

2025-08-23 05:48:47 +02:00

.vscode

Create a Simultaneous Equation Solver Algorithm (#8773 )

2023-06-02 07:14:25 +02:00

audio_filters

Fix sphinx/build_docs warnings for audio_filters (#12449 )

2024-12-22 22:55:22 -05:00

backtracking

Add tests and cleanup sum_of_subsets algorithm (#12746 )

2025-05-23 00:07:43 +03:00

bit_manipulation

Fix reverse_bits.py: correct 32-bit reversal and improve docstrings (#12924 )

2025-08-24 14:49:43 +03:00

blockchain

Ruff pandas vet (#10281 )

2023-10-11 14:30:02 -04:00

boolean_algebra

feat: Add recursive implication function for lists (#12855 )

2025-08-24 15:08:52 +03:00

cellular_automata

Fix sphinx/build_docs warnings for cellular_automata (#12454 )

2024-12-23 06:56:42 -05:00

ciphers

hill_cipher.py: Use int() to gracefully deal with float input (#12833 )

2025-07-07 13:58:59 +05:30

computer_vision

[pre-commit.ci] pre-commit autoupdate -- ruff 2025 stable format (#12521 )

2025-01-13 21:52:12 +01:00

conversions

[pre-commit.ci] pre-commit autoupdate (#12623 )

2025-03-18 09:53:49 +01:00

data_compression

Prep for Python 3.14: Rename compression to data_compression (#12725 )

2025-05-12 12:59:19 +03:00

data_structures

Update Linked List from sequence script to use doctests (#12766 )

2025-08-24 17:48:59 +03:00

digital_image_processing

Enable ruff RUF002 rule (#11377 )

2024-04-22 21:51:47 +02:00

divide_and_conquer

Improve power.py (#12567 )

2025-02-09 20:51:18 +03:00

docs

[pre-commit.ci] pre-commit autoupdate (#12398 )

2024-11-25 21:46:20 +01:00

dynamic_programming

Update matrix_chain_order calculation with more details and test. (#12759 )

2025-05-23 00:17:48 +03:00

electronics

Tests electronics/electric_conductivity.py #9943 (#12437 )

2024-12-30 13:36:55 +01:00

file_transfer

Update receive_file.py (#8541 )

2023-03-31 16:08:13 +02:00

financial

feat: create straight_line_depreciation (#12377 )

2025-05-31 17:11:46 -04:00

fractals

Upgrade to Python 3.13 (#11588 )

2024-09-30 23:01:15 +02:00

fuzzy_logic

balance parenthesis (add closing bracket) (#11563 )

2024-09-24 00:30:36 -07:00

genetic_algorithm

Genetic Algorithm: Fix bug in multi-threading (#12644 )

2025-03-29 11:13:47 +03:00

geodesy

Fix sphinx/build_docs warnings for geodesy (#12462 )

2024-12-23 07:43:16 -05:00

geometry

Implemented doctests for geometry-related classes (#12368 )

2024-12-30 07:04:28 -08:00

graphics

[pre-commit.ci] pre-commit autoupdate (#12623 )

2025-03-18 09:53:49 +01:00

graphs

Use deque as queue in breadth_first_search_shortest_path_2.py (#12861 )

2025-08-25 00:59:44 +03:00

greedy_methods

Fix sphinx/build_docs warnings for greedy_methods (#12463 )

2024-12-23 08:11:58 -05:00

hashes

[pre-commit.ci] pre-commit autoupdate (#12623 )

2025-03-18 09:53:49 +01:00

knapsack

[pre-commit.ci] pre-commit autoupdate (#11322 )

2024-03-13 07:52:41 +01:00

linear_algebra

Add matrix inversion algorithm using NumPy (#12657 )

2025-04-14 21:57:13 +03:00

linear_programming

Upgrade to Python 3.13 (#11588 )

2024-09-30 23:01:15 +02:00

machine_learning

Lukazlim: Replace dependency requests with httpx (#12744 )

2025-05-14 04:42:11 +03:00

maths

Add unit tests for factorial.py (#12815 )

2025-07-05 12:58:45 +02:00

matrix

Various ruff fixes (#12821 )

2025-07-06 01:35:29 +03:00

networking_flow

[pre-commit.ci] pre-commit autoupdate (#11322 )

2024-03-13 07:52:41 +01:00

neural_network

[pre-commit.ci] pre-commit autoupdate -- ruff 2025 stable format (#12521 )

2025-01-13 21:52:12 +01:00

other

Various ruff fixes (#12821 )

2025-07-06 01:35:29 +03:00

physics

Lukazlim: Replace dependency requests with httpx (#12744 )

2025-05-14 04:42:11 +03:00

project_euler

Add solution for the Euler project problem 95. (#12669 )

2025-05-10 14:13:07 +03:00

quantum

Upgrade to Python 3.12 (#9576 )

2023-10-03 14:47:10 +05:30

scheduling

Fix ruff (#11527 )

2024-08-25 17:33:11 +02:00

scripts

Adding doctest for md_prefix function in build_directory_md.py (#12874 )

2025-08-24 14:22:00 +03:00

searches

Add median() function using Quickselect (#12676 )

2025-05-21 21:33:29 +03:00

sorts

Various ruff fixes (#12821 )

2025-07-06 01:35:29 +03:00

strings

perf(strings): optimize anagram signature using frequency counts (#12927 )

2025-08-24 15:33:18 +03:00

web_programming

Update .pre-commit-config.yaml to reflect current linting and formatt… (#12841 )

2025-07-11 22:25:53 +02:00

.gitattributes

Create .gitattributes for Cross OS compatibility (#3410 )

2020-10-17 07:25:25 +02:00

.gitignore

chore: update .gitignore (#6263 )

2022-07-23 07:56:59 +05:30

.gitpod.yml

Change gitpod configuration for python3. (#1827 )

2020-04-07 12:20:08 +02:00

.pre-commit-config.yaml

[pre-commit.ci] pre-commit autoupdate (#12900 )

2025-08-19 14:28:03 +02:00

CONTRIBUTING.md

Create GitHub Pages docs with Sphinx (#11888 )

2024-10-08 19:09:28 +02:00

DIRECTORY.md

Various ruff fixes (#12821 )

2025-07-06 01:35:29 +03:00

index.md

Create GitHub Pages docs with Sphinx (#11888 )

2024-10-08 19:09:28 +02:00

LICENSE.md

Create GitHub Pages docs with Sphinx (#11888 )

2024-10-08 19:09:28 +02:00

pyproject.toml

Various ruff fixes (#12821 )

2025-07-06 01:35:29 +03:00

README.md

Fix code style in README.md (#12843 )

2025-08-24 14:01:21 +03:00

requirements.txt

Lukazlim: Replace dependency requests with httpx (#12744 )

2025-05-14 04:42:11 +03:00

uv.lock

Lukazlim: Replace dependency requests with httpx (#12744 )

2025-05-14 04:42:11 +03:00

README.md

The Algorithms - Python

All algorithms implemented in Python - for education

Implementations are for learning purposes only. They may be less efficient than the implementations in the Python standard library. Use them at your discretion.

Getting Started

Read through our Contribution Guidelines before you contribute.

Community Channels

We are on Discord and Gitter! Community channels are a great way for you to ask questions and get help. Please join us!

List of Algorithms

See our directory for easier navigation and a better overview of the project.