{"id":24511811,"url":"https://github.com/sguessou/ninety-nine-lisp-problems","last_synced_at":"2026-01-02T06:03:57.770Z","repository":{"id":69024015,"uuid":"153140932","full_name":"sguessou/ninety-nine-lisp-problems","owner":"sguessou","description":"Ninety Nine Lisp Problems ","archived":false,"fork":false,"pushed_at":"2018-10-30T19:38:35.000Z","size":3,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-01-22T00:42:26.647Z","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/sguessou.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}},"created_at":"2018-10-15T15:50:41.000Z","updated_at":"2018-10-30T19:38:37.000Z","dependencies_parsed_at":"2023-03-18T20:05:26.384Z","dependency_job_id":null,"html_url":"https://github.com/sguessou/ninety-nine-lisp-problems","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sguessou%2Fninety-nine-lisp-problems","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sguessou%2Fninety-nine-lisp-problems/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sguessou%2Fninety-nine-lisp-problems/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sguessou%2Fninety-nine-lisp-problems/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/sguessou","download_url":"https://codeload.github.com/sguessou/ninety-nine-lisp-problems/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":243713387,"owners_count":20335566,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","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":"2025-01-22T00:42:26.494Z","updated_at":"2026-01-02T06:03:57.724Z","avatar_url":"https://github.com/sguessou.png","language":"Common Lisp","funding_links":[],"categories":[],"sub_categories":[],"readme":"# 99 Lisp Problems\n\n### Working with lists\n#### Problem #1:\n*Find the last box of a list.*\n```\nCL-USER\u003e (my-last '(a b c d))\nCL-USER\u003e (D)\n``` \n#### Problem #2:\n*Find the last but one box of a list.*\n```\nCL-USER\u003e (my-but-last '(a b c d))\nCL-USER\u003e (C D)\n```\n#### Problem #3:\n*Find the K'th element of a list.*\n```\nCL-USER\u003e (element-at '(a b c d e) 3)\nCL-USER\u003e C\n```\n#### Problem #4:\n*Find the number of elements of a list.*\n\n#### Problem #5:\n*Reverse a list.*\n\n#### Problem #6:\n*Find out whether a list is a palindrome.*\n```\nCL-USER\u003e (palindrome '(X A M A X))\nT\nCL-USER\u003e (palindrome '(H E L L O))\nNIL\n```\n\n\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsguessou%2Fninety-nine-lisp-problems","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsguessou%2Fninety-nine-lisp-problems","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsguessou%2Fninety-nine-lisp-problems/lists"}