{"id":34975831,"url":"https://github.com/hellerve/sudoku","last_synced_at":"2026-04-07T14:02:19.343Z","repository":{"id":323315998,"uuid":"1049204118","full_name":"hellerve/sudoku","owner":"hellerve","description":"in which we solve Sudoku puzzles","archived":false,"fork":false,"pushed_at":"2025-11-09T12:04:56.000Z","size":11,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"main","last_synced_at":"2025-12-28T12:33:36.080Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"Common Lisp","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/hellerve.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2025-09-02T16:26:56.000Z","updated_at":"2025-12-11T17:10:45.000Z","dependencies_parsed_at":null,"dependency_job_id":null,"html_url":"https://github.com/hellerve/sudoku","commit_stats":null,"previous_names":["hellerve/sudoku"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/hellerve/sudoku","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/hellerve%2Fsudoku","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/hellerve%2Fsudoku/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/hellerve%2Fsudoku/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/hellerve%2Fsudoku/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/hellerve","download_url":"https://codeload.github.com/hellerve/sudoku/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/hellerve%2Fsudoku/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31515151,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-07T03:10:19.677Z","status":"ssl_error","status_checked_at":"2026-04-07T03:10:13.982Z","response_time":105,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.5:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2025-12-27T00:08:03.369Z","updated_at":"2026-04-07T14:02:19.337Z","avatar_url":"https://github.com/hellerve.png","language":"Common Lisp","funding_links":[],"categories":[],"sub_categories":[],"readme":"# sudoku\n\nin which I build a series of Sudoku solvers, accompanied by blog posts, written\nin various programming languages. All of them implement simple backtracking, but\neach of them works a bit differently, leveraging the individual strengths of\nthe language.\n\n## The solvers\n\n- [`sudoku.py`: written in Python. Reference implementation. Using MRV and DFS.](https://blog.veitheller.de/Six_Simple_Sudoku_Solvers_I:_Python_%28Reference%29.html)\n- [`sudoku.lisp`: written in SBCL. Leveraging macros, bitsets, and type and\n  optimization declarations.](https://blog.veitheller.de/Six_Simple_Sudoku_Solvers_II:_Common_Lisp.html)\n- [`sudoku.pro`: written in SWI Prolog. Declarative, leverages Prolog for core\n  algorithmn.](https://blog.veitheller.de/Six_Simple_Sudoku_Solvers_III:_Prolog.html)\n- [`sudoku.hs`: written in Haskell. Leverages types and state using monads.](https://blog.veitheller.de/Six_Simple_Sudoku_Solvers_IV:_Haskell.html)\n- [`sudoku.rs`: written in Rust. Trying to get it as raw and low-level as it gets\n  and minimize allocations.](https://blog.veitheller.de/Six_Simple_Sudoku_Solvers_V:_Rust.html)\n- [`sudoku.ex`: written in Elixir. Utilizes the Beam and concurrency on first\n  split.](https://blog.veitheller.de/Six_Simple_Sudoku_Solvers_VI:_Elixir.html)\n- [`sudolu.apl`: written in Dyalog APL. Uses arrays and terse operators to their fullest.](https://blog.veitheller.de/Simple_Sudoku_Solvers_SII,_EI:_Dyalog_APL.html)\n- [`sudolu.carp`: written in Carp. Uses functional and imperative programming as it sees fit.](https://blog.veitheller.de/Simple_Sudoku_Solvers_SII,_EII:_Carp.html)\n- [`sudolu.fs`: written in Forth. Stack-tical programming.](https://blog.veitheller.de/Simple_Sudoku_Solvers_SII,_EIII:_Forth.html)\n\nEach of them is accompanied by a blog post, so check them out if you want more\ninformation.\n\n\u003chr/\u003e\n\nHave fun!\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fhellerve%2Fsudoku","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fhellerve%2Fsudoku","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fhellerve%2Fsudoku/lists"}