{"adoption": {"forks": 861, "observed_at": "2026-08-28T04:05:43.122229+00:00", "stars": 1841}, "canonical_url": "https://ross.abutalabs.com/products/hackerrank-solutions", "card": {"archived": false, "artifact_type": "learning-resource", "description": "hackerrank solutions github | hackerrank all solutions | hackerrank solutions for java | hackerrank video tutorial | hackerrank cracking the coding interview solutions | hackerrank data structures  | hackerrank solutions algorithms  | hackerrank challenge | hackerrank coding challenge | hackerrank algorithms solutions github| hackerrank problem solving | hackerrank programs solutions | JAVAAID |all hackerrank solutions | Coding Interview Preparation ", "domain": ["education", "tutorials", "programming-languages"], "enriched": true, "function": ["developer-tools", "documentation"], "health_score": 56, "homepage": "https://www.youtube.com/c/JavaAidTutorials?sub_confirmation=1", "language": "Java", "license": "MIT", "license_family": "permissive", "maturity": "active", "member_repos": ["Java-aid/Hackerrank-Solutions"], "name": "Java-aid/Hackerrank-Solutions", "platform": ["jvm", "cross-platform"], "pushed_at": "2025-12-31T18:59:24+00:00", "repo": "Java-aid/Hackerrank-Solutions", "stars": 1841, "tags": ["hackerrank", "coding-interview", "data-structures", "algorithms", "java", "interview-preparation", "30-days-of-code", "cracking-the-coding-interview", "competitive-programming", "video-tutorials"], "topics": ["hackerrank-solutions-github", "hackerrank-all-solutions", "hackerrank-solutions-for-java", "hackerrank-algorithms-solutions", "hackerrank-java", "hackerrank-problem-solving", "hackerrank-challenges", "algorithms-and-data-structures", "cracking-the-coding-interview", "30-days-of-code", "hackerrank-algorithms-youtube", "hackerrank-problem-solutions", "hackerrank-practice", "hackerrank-ctci", "hackerrank-implementation", "hackerrank-solutions", "coding-challenges", "algorithm-challenges", "data-structures-and-algorithms"], "urls": [], "use_cases": ["prepare for coding interviews with solved HackerRank problems", "learn data structures and algorithms in Java", "find solutions for HackerRank 30 Days of Code challenges", "study Cracking the Coding Interview solutions", "watch video explanations of algorithm problems", "practice problem-solving for coding challenges"], "what_it_is": "A curated collection of Java solutions to HackerRank challenges, covering 30 Days of Code, algorithms, data structures, and Cracking the Coding Interview problems, with links to video explanations. It serves as a study and interview-preparation reference rather than a runnable software tool.", "when_to_avoid": ["you need a production library or tool to include in a project", "you want solutions in a language other than Java", "you need guaranteed-correct or plagiarism-free answers for graded coursework"], "when_to_choose": ["you are preparing for Java coding interviews", "you want worked solutions and video walkthroughs for HackerRank challenges", "you are learning DSA through practice problems"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/hackerrank-solutions", "repo": "Java-aid/Hackerrank-Solutions", "role": "main", "score": 59}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:43.122229+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:18:00.633381+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "630e27f1199524fc1288b0ea75ff6e4d458f250fdefe78b2dc5210e288e1290a", "fetched_at": "2026-08-28T04:05:43.122229+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Java-aid/Hackerrank-Solutions"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:57:00.240244+00:00", "kind": "homepage", "missing": false, "url": "https://www.youtube.com/c/JavaAidTutorials?sub_confirmation=1"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:43.122229+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:18:00.633381+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "630e27f1199524fc1288b0ea75ff6e4d458f250fdefe78b2dc5210e288e1290a", "fetched_at": "2026-08-28T04:05:43.122229+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Java-aid/Hackerrank-Solutions"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:57:00.240244+00:00", "kind": "homepage", "missing": false, "url": "https://www.youtube.com/c/JavaAidTutorials?sub_confirmation=1"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:18:00.633381+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "630e27f1199524fc1288b0ea75ff6e4d458f250fdefe78b2dc5210e288e1290a", "fetched_at": "2026-08-28T04:05:43.122229+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Java-aid/Hackerrank-Solutions"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:57:00.240244+00:00", "kind": "homepage", "missing": false, "url": "https://www.youtube.com/c/JavaAidTutorials?sub_confirmation=1"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:43.122229+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:43.122229+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:43.122229+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:18:00.633381+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "630e27f1199524fc1288b0ea75ff6e4d458f250fdefe78b2dc5210e288e1290a", "fetched_at": "2026-08-28T04:05:43.122229+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Java-aid/Hackerrank-Solutions"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:57:00.240244+00:00", "kind": "homepage", "missing": false, "url": "https://www.youtube.com/c/JavaAidTutorials?sub_confirmation=1"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:43.122229+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:43.122229+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:18:00.633381+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "630e27f1199524fc1288b0ea75ff6e4d458f250fdefe78b2dc5210e288e1290a", "fetched_at": "2026-08-28T04:05:43.122229+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Java-aid/Hackerrank-Solutions"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:57:00.240244+00:00", "kind": "homepage", "missing": false, "url": "https://www.youtube.com/c/JavaAidTutorials?sub_confirmation=1"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:43.122229+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:43.122229+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:43.122229+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:18:00.633381+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "630e27f1199524fc1288b0ea75ff6e4d458f250fdefe78b2dc5210e288e1290a", "fetched_at": "2026-08-28T04:05:43.122229+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Java-aid/Hackerrank-Solutions"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:57:00.240244+00:00", "kind": "homepage", "missing": false, "url": "https://www.youtube.com/c/JavaAidTutorials?sub_confirmation=1"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:43.122229+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:43.122229+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:18:00.633381+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "630e27f1199524fc1288b0ea75ff6e4d458f250fdefe78b2dc5210e288e1290a", "fetched_at": "2026-08-28T04:05:43.122229+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Java-aid/Hackerrank-Solutions"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:57:00.240244+00:00", "kind": "homepage", "missing": false, "url": "https://www.youtube.com/c/JavaAidTutorials?sub_confirmation=1"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:18:00.633381+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "630e27f1199524fc1288b0ea75ff6e4d458f250fdefe78b2dc5210e288e1290a", "fetched_at": "2026-08-28T04:05:43.122229+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Java-aid/Hackerrank-Solutions"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:57:00.240244+00:00", "kind": "homepage", "missing": false, "url": "https://www.youtube.com/c/JavaAidTutorials?sub_confirmation=1"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:18:00.633381+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "630e27f1199524fc1288b0ea75ff6e4d458f250fdefe78b2dc5210e288e1290a", "fetched_at": "2026-08-28T04:05:43.122229+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Java-aid/Hackerrank-Solutions"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:57:00.240244+00:00", "kind": "homepage", "missing": false, "url": "https://www.youtube.com/c/JavaAidTutorials?sub_confirmation=1"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:18:00.633381+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "630e27f1199524fc1288b0ea75ff6e4d458f250fdefe78b2dc5210e288e1290a", "fetched_at": "2026-08-28T04:05:43.122229+00:00", "kind": "readme", "missing": false, "url": "https://github.com/Java-aid/Hackerrank-Solutions"}, {"content_hash": "44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a", "fetched_at": "2026-08-29T10:57:00.240244+00:00", "kind": "homepage", "missing": false, "url": "https://www.youtube.com/c/JavaAidTutorials?sub_confirmation=1"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 60, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 3198, "days_push": 245, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 59, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}