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hackerrank-challenges

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hackerrank logo

HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses, where developers compete by trying to program according to provided specifications. HackerRank’s programming challenges can be solved in a variety of programming languages (including Java, C++, PHP, Python, SQL, JavaScript) and span multiple computer science domains. When a programmer submits a solution to a programming challenge, their submission is scored on the accuracy of their output. Programmers are then ranked globally on the HackerRank leaderboard and earn badges based on their accomplishments to drive competition among users.

Here are 417 public repositories matching this topic...

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Java-aid / Hackerrank-Solutions

Star 1.8k

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  • Updated Dec 31, 2025
  • Java

Thomas-George-T / HackerRank-SQL-Challenges-Solutions

Star 818

The solutions of all SQL hackerrank challenges using MySQL environment

mysql challenge sql solutions tutorials hackerrank problem-solving hackerrank-solutions hackerrank-challenges hackerrank-sql hackerrank-sql-solutions mysql-environment sql-challenges select-challenges
  • Updated Apr 30, 2024
  • SQL

sapanz / Hackerrank-Problem-Solving-Python-Solutions

Star 491

Hackerrank Problem solving solutions in Python

python python-3-6 python3 hackerrank problem-solving python2 hacktoberfest hackerrank-python hackerrank-datastructures-array hackerrank-solutions hackerrank-algorithms-solutions hackerrank-challenges hackerrank-problem-solutions hackerrank-problem-solving hacktoberfest2020
  • Updated Aug 6, 2024
  • Python

srgnk / HackerRank

Star 462

Solutions to HackerRank problems

shell solutions hackerrank hackerrank-python hackerrank-solutions hackerrank-algorithms-solutions hackerrank-python-solutions hackerrank-challenges
  • Updated Oct 25, 2021
  • Python

naklecha / hackerrank-algo-implementation

Star 237

This are the solutions to ALL "implementation" problems in the "algorithms" category hackerrank.com

python hackerrank coding hackerrank-python hackerrank-solutions hackerrank-java hackerrank-algorithms-solutions implementaion alogrithms hackerrank-challenges hackerthon hackerrank-implementation hackerrankpython hackerrankalgo
  • Updated Nov 18, 2020
  • Python

gabrielgiordan / hackerrank

Star 230

Efficient HackerRank solutions in JavaScript (⬡.js)

nodejs javascript algorithms hackerrank algorithm-challenges hackerrank-solutions hackerrank-algorithms-solutions hackerrank-javascript hackerrank-30dayschallange hackerrank-challenges
  • Updated Dec 14, 2021
  • JavaScript

prabaprakash / Hackerrank-JavaScript-Solutions

Star 133

Solved entire Easy, few Medium Problems. A total of 171/563 challenges solved by JavaScript

computer-science es6 algorithms datastructures leetcode solutions cracking-the-coding-interview topcoder software-engineering leetcode-solutions problem-solving es5 hackerrank-solutions hackerrank-algorithms-solutions hackerrank-javascript problemsolving hackerrank-challenges hackkerrank challenges-solved
  • Updated Aug 4, 2020
  • JavaScript

Ashwin7mak / hackerrank-react-challenges

Star 86

HackerRank ReactJS Challenge Solutions in JavaScript

reactjs hackerrank hackerrank-javascript hackerrank-challenges hackerrank-reactjs
  • Updated Jan 25, 2023
  • JavaScript

absognety / Python-Hackerrank-Solutions

Star 79

Hackerrank Solutions for Python - Total 115 Challenges

python string python3 hackerrank sorting-algorithms python2 searching-algorithms hackerrank-python hackerrank-solutions hackerrank-challenges strings-manipulation
  • Updated Apr 24, 2022
  • Python

BEPb / hackerrank_sql

Star 57

cracking-the-coding-interview algorithm-challenges coding-challenges hackerrank-sql

cracking-the-coding-interview algorithm-challenges coding-challenges hackerrank-solutions hackerrank-algorithms-solutions hackerrank-challenges data-structures-and-algorithms hackerrank-sql hackerrank-problem-solutions hackerrank-practice hackerrank-problem-solving hackerrank-solutions-github hackerrank-all-solutions algorithms-and-data-structures-30-days-of-code hackerrank-solutions-for-sql
  • Updated Feb 10, 2023

afrozchakure / Competitive-Programming-Solutions

Sponsor
Star 56

Solutions to HackerRank / GeeksforGeeks / LeetCode Questions: C, C++, Python, Problem Solving, SQL, 30 Days of Code and much more (400+ problems)

python sql leetcode cpp codechef competitive-programming hackerrank geeksforgeeks codeforces leetcode-solutions hacktoberfest hackerrank-solutions codewars-solutions hackerrank-algorithms-solutions hackerrank-challenges
  • Updated Oct 1, 2025
  • C++

themysterysolver / PLACEMENT-QUESTIONS

Star 56

"This repository contains competitive coding problems asked in online assessments during placements and internships, organized company-wise.We have also created hackerrank challenges to practise the problems.Interview questions are in different branch.Let's build and grow together."

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  • Updated Oct 25, 2025
HackerRank-Solutions

omonimus1 / HackerRank-Solutions

Sponsor
Star 55

My own HackerRank coding interview solutions

javascript mysql python java sql cpp hackerrank algorithm-challenges coding-challenge hackerrank-python hackerrank-solutions interview-preparation hackerrank-cpp algorithms-and-data-structures hackerrank-challenges hackerrank-sql-solutions interview-preparation-kit
  • Updated May 18, 2026
  • C++

deepdalsania / HackerRank_Solutions

Star 55

An Efficient Solutions to HackerRank Problems

java competitive-programming hackerrank hacktoberfest hackerrank-solutions hackerrank-java hackerrank-challenges hackerrank-certification hacktoberfest-accepted hacktoberfest2022
  • Updated Oct 11, 2022
  • Java

Hazrat-Ali9 / HackerRank-Mathematics

Star 48

➗ Mathematics Master ✈ Math with Code 🚀 HackerRank Mathematics 🛩 challenges with clarity 🌶and efficiency Perfect 🛺 for brushing up 🐉 on math skills through code 🦋 Solved problems with clean 🐲optimized solutions Covers topics 🐊 like algebra number theory 🐳 probability, geometry, and statistics 💡

solutions mathematics hackerrank problems problem-solving hackerrank-solutions hackerrank-challenges
  • Updated Apr 1, 2025
  • C++

edoardottt / HackerRank-LinuxShell

Sponsor
Star 46

HackerRank-LinuxShell Solutions 💻

linux shell bash challenge solutions hackerrank shell-script shellscript shell-scripts bash-script bash-hacks bash-prompt hackerrank-solutions shell-scripting bash-scripting hackerrank-algorithms-solutions hackerrank-challenges challenges-solved
  • Updated Nov 10, 2024
  • Shell

Riddhi9570 / HackerrankPracticeProblems

Star 43

Solutions to Hackerrank.com practice problems in SQL, JAVA, C++ , Python, Data Structures and Algorithms.

mysql python java open-source sql algorithms cpp competitive-programming hackerrank data-structures problem-solving beginner-friendly hacktoberfest contributions-welcome hackerrank-challenges hackkerrank-solutions
  • Updated Oct 31, 2022
  • C++

sonmez-hakan / hackerrank

Star 37

This repository is mostly Java & PHP solutions of HackerRank Algorithms & Data Structures' Questions. However, there are some C# solutions.

hackerrank hackerrank-python hackerrank-solutions hackerrank-java hackerrank-algorithms-solutions hackerrank-php hackerrank-challenges hackerrank-csharp hackerrank-problem-solving
  • Updated Jun 19, 2024
  • Java

Gabrielpatrola / HackerRank-React-Basic

Star 35

Hacker Rank React (Basic) Certification Test Solutions

react solutions hackerrank hackerrank-solutions hackerrank-challenges
  • Updated Nov 17, 2020
  • JavaScript

Pavith19 / Hackerrank-Problem-Solving-Certified-Solutions

Star 35

Solutions for Hackerrank Problem Solving certifications (Basic and Intermediate levels).

competitive-programming hackerrank problem-solving hackerrank-python hackerrank-solutions hackerrank-challenges hackerrank-certificates hackerrank-certification
  • Updated Aug 9, 2024
  • Python

Created by Vivek Ravisankar, Hari Karunanidhi

Released July 2009

Followers
144 followers
Organization
interviewstreet
Website
github.com/topics/hackerrank
Wikipedia
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Related topics

codechef competitive-programming
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