# Java-aid/Hackerrank-Solutions

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Repository: https://github.com/Java-aid/Hackerrank-Solutions
Canonical: https://ross.abutalabs.com/products/hackerrank-solutions
Homepage: https://www.youtube.com/c/JavaAidTutorials?sub_confirmation=1
Language: Java
License: MIT
License Family: permissive
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
Last push: 2025-12-31T18:59:24+00:00

## Health v2 (maintenance only)
Score: 59/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 60, release rhythm 35, longevity 100
- inputs: {"age_days": 3198, "days_push": 245, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1841, forks 861 (observed 2026-08-28T04:05:43.122229+00:00)

## 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.

## 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

## 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

## 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

## Facets
- artifact type: learning-resource
- maturity: active
- function: developer-tools, documentation
- domain: education, tutorials, programming-languages
- platform: jvm, cross-platform
- tags: hackerrank, coding-interview, data-structures, algorithms, java, interview-preparation, 30-days-of-code, cracking-the-coding-interview, competitive-programming, video-tutorials

## Member repositories
- Java-aid/Hackerrank-Solutions (main) score 59

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:43.122229+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T03:18:00.633381+00:00, confidence not recorded.
  - readme: https://github.com/Java-aid/Hackerrank-Solutions (fetched 2026-08-28T04:05:43.122229+00:00, sha 630e27f11995)
  - homepage: https://www.youtube.com/c/JavaAidTutorials?sub_confirmation=1 (fetched 2026-08-29T10:57:00.240244+00:00, sha 44136fa355b3)
- Data as of 2026-08-30T08:39:29.467469+00:00.