{"id":20852411,"url":"https://github.com/minizinc/mzn-challenge","last_synced_at":"2026-03-10T17:36:12.595Z","repository":{"id":70832250,"uuid":"501495348","full_name":"MiniZinc/mzn-challenge","owner":"MiniZinc","description":"An archive repository containing the MiniZinc instances used for the MiniZinc Challenge","archived":false,"fork":false,"pushed_at":"2024-03-22T11:25:53.000Z","size":56306,"stargazers_count":6,"open_issues_count":0,"forks_count":2,"subscribers_count":6,"default_branch":"develop","last_synced_at":"2024-03-27T06:59:26.696Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"HTML","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/MiniZinc.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}},"created_at":"2022-06-09T03:49:14.000Z","updated_at":"2024-04-15T07:07:41.859Z","dependencies_parsed_at":"2024-04-15T07:18:37.525Z","dependency_job_id":null,"html_url":"https://github.com/MiniZinc/mzn-challenge","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/MiniZinc/mzn-challenge","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MiniZinc%2Fmzn-challenge","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MiniZinc%2Fmzn-challenge/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MiniZinc%2Fmzn-challenge/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MiniZinc%2Fmzn-challenge/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/MiniZinc","download_url":"https://codeload.github.com/MiniZinc/mzn-challenge/tar.gz/refs/heads/develop","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/MiniZinc%2Fmzn-challenge/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":30344671,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-03-10T15:55:29.454Z","status":"ssl_error","status_checked_at":"2026-03-10T15:54:58.440Z","response_time":106,"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":"2024-11-18T03:17:34.763Z","updated_at":"2026-03-10T17:36:12.562Z","avatar_url":"https://github.com/MiniZinc.png","language":"HTML","funding_links":[],"categories":[],"sub_categories":[],"readme":"\u003c!-- PROJECT LOGO --\u003e\n\u003cbr /\u003e\n\u003cp align=\"center\"\u003e\n  \u003ca href=\"https://www.minizinc.org/\"\u003e\n    \u003cimg src=\"https://www.minizinc.org/MiniZn_logo.png\" alt=\"Logo\" width=\"80\" height=\"80\"\u003e\n  \u003c/a\u003e\n\n  \u003ch3 align=\"center\"\u003eMiniZinc Challenge Archive\u003c/h3\u003e\n\n  \u003cp align=\"center\"\u003e\n    An archive repository containing the MiniZinc instances as used within the MiniZinc challenge.\n    \u003cbr /\u003e\n    \u003ca href=\"https://www.minizinc.org/challenge\"\u003e\u003cstrong\u003eVisit the MiniZinc Challenge website »\u003c/strong\u003e\u003c/a\u003e\n  \u003c/p\u003e\n\u003c/p\u003e\n\n### MiniZinc version\n\nThe following table shows the version of the MiniZinc compiler used to compile the MiniZinc instances for each iteration of the MiniZinc Challenge.\n\n| Year | MiniZinc version |\n| ---- | ---------------- |\n| 2024 | 2.8.5            |\n| 2023 | 2.7.6            |\n| 2022 | 2.6.3            |\n| 2021 | 2.5.5            |\n| 2020 | 2.4.3            |\n| 2019 | 2.3.1            |\n| 2018 | 2.1.7            |\n| 2017 | 2.1.5            |\n| 2016 | 2.0.13           |\n| 2015 | 2.0.4            |\n| 2014 | 1.6              |\n| 2013 | 1.6              |\n| 2012 | 1.5              |\n| 2011 | 1.3              |\n| 2010 | 1.1              |\n| 2009 | 1.0              |\n| 2008 | 0.8              |\n\n### Licensing\n\nA `LICENSE` files is provided in each specific problem directory when the license is known.\nProblems submitted to recent iterations of the challenge are required to be available under an _MIT license_.\nHowever, this was not the case for earlier iterations.\nAs such, other models might be available under a different license or no license might be available.\nWe welcome authors to contact us to update any licensing details.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fminizinc%2Fmzn-challenge","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fminizinc%2Fmzn-challenge","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fminizinc%2Fmzn-challenge/lists"}