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HackerRank

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.

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RodneyShag /HackerRank_solutions

317 efficient solutions to HackerRank problems

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UpdatedJun 18, 2024
Java

neerazz /FAANG

Competitive programming questions.

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UpdatedJul 28, 2025
Java

manishbisht /Competitive-Programming

📌 📚 Solution of competitive programming problems, code templates, Data Structures and Algorithms, hackathons, interviews and much more.

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UpdatedAug 29, 2023
C++

RyanFehr /HackerRank

HackerRank solutions in Java/JS/Python/C++/C#

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UpdatedFeb 22, 2024
Java

marinskiy /HackerrankPractice

170+ solutions to Hackerrank.com practice problems using Python 3, С++ and Oracle SQL

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UpdatedDec 24, 2023
Python

alexattia /Data-Science-Projects

DataScience projects for learning : Kaggle challenges, Object Recognition, Parsing, etc.

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UpdatedJan 13, 2023
Jupyter Notebook

xeoneux /30-Days-of-Code

👨‍💻 30 Days of Code by HackerRank Solutions in C, C++, C#, F#, Go, Java, JavaScript, Python, Ruby, Swift & TypeScript. PRs Welcome! 😄

javascript ruby kotlin python c java go swift typescript csharp cplusplus fsharp solutions code hackerrank of days 30

UpdatedAug 3, 2023
Java

warycat /rustgym

Leetcode Solutions in Rust, Advent of Code Solutions in Rust and more

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UpdatedDec 31, 2024
Rust

rampatra /Algorithms-and-Data-Structures-in-Java

Algorithms and Data Structures in Java

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UpdatedApr 7, 2025
Java

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

The solutions of all SQL hackerrank challenges using MySQL environment

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UpdatedApr 30, 2024
SQL

kumar91gopi /Algorithms-and-Data-Structures-in-Ruby

Ruby implementation of Algorithms,Data-structures and programming challenges

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UpdatedDec 4, 2024
Ruby

vinta /fuck-coding-interviews

How on earth can I ever think of a solution like that in an interview?!

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UpdatedMar 30, 2023
Python

karansaxena /STL_Cheat_Sheets

C++ STL Cheat Sheets.

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UpdatedOct 1, 2020

abeaumont /competitive-programming

Solutions to problems from various online judges / contest sites.

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UpdatedMay 7, 2025
C++

Tech-Interview-Preparation

sastava007 /Tech-Interview-Preparation

A one stop solution to ace your next coding interview 👨‍💻

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UpdatedDec 22, 2023
C++

sapanz /Hackerrank-Problem-Solving-Python-Solutions

Hackerrank Problem solving solutions in Python

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UpdatedAug 6, 2024
Python

arsho /Hackerrank_Python_Domain_Solutions

Solutions of challenges of Hackerrank Python domain

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UpdatedApr 28, 2025
Python

srgnk /HackerRank

Solutions to HackerRank problems

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UpdatedOct 25, 2021
Python

kilian-hu /hackerrank-solutions

A collection of solutions to competitive programming exercises on HackerRank.

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UpdatedJul 20, 2024
Python

nishanthvijayan /CoderCalendar

DEPRECATED -> Checkout nishanthvijayan/CoderCalendar-Extensions

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UpdatedApr 7, 2019
JavaScript

Created by Vivek Ravisankar, Hari Karunanidhi

Released July 2009

Followers: 126 followers
Organization: interviewstreet
Website: github.com/topics/hackerrank
Wikipedia: Wikipedia

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