🍿 My HackerRank Solutions

These days I'm really digging into HackerRank and I'm really improving my skills!

I've decided to make my solutions public just to keep track of them and hoping that someone will show me my mistakes or improves my code 😀

Index

• Artificial Intelligence
• Algorithms
• Interview Preparation Kit
• SQL
• Regex
• Euler
• Functional Programming
• Linux Shell
• Java

Artificial Intelligence

• Bot Saves Princess
  • Solution
  • Explanation

Algorithms

• Mini-Max Sum
  • Haskell
• Staircase
  • Haskell

Interview Preparation Kit

• Sock Merchant
  • Haskell

SQL

• Contest Leaderboard
  • Solution
• The Report
  • Solution
• Top Competitors
  • Solution
• Ollivander's Inventory
  • Solution
• Challenges
  • Solution

Regex

Plain Regex

• Matching Specific String
  • Solution
• Matching Anything But a Newline
  • Solution
• Matching Digits & Non-Digit Characters
  • Solution
• Matching Whitespace & Non-Whitespace Character
  • Solution
• Matching Word & Non-Word Character
  • Solution
• Matching Start & End
  • Solution
• Matching Specific Characters
  • Solution
• Excluding Specific Characters
  • Solution
• Matching Character Ranges
  • Solution
• Matching {x} Repetitions
  • Solution
• Matching {x, y} Repetitions
  • Solution
• Matching Zero Or More Repetitions
  • Solution
• Matching Ending Items
  • Solution

Problems

• Detecting Valid Latitude and Longitude Pairs
  • Elixir
• Find HackerRank
  • Elixir

Euler

• #1: Multiples of 3 and 5
  • Elixir
  • Haskell
  • C++

Functional Programming

• Hello World
  • Haskell
  • Scala
  • Elixir
• Hello World N Times
  • Haskell
  • Scala
  • Elixir
• List Replication
  • Haskell
  • Scala
  • Elixir
• Reverse a List
  • Scala
• Sum of Odd Elements
  • Scala
• List Length
  • Scala
• Update List
  • Scala
• Filter Array
  • Haskell
• Filter Positions in a List
  • Haskell
• String Compression
  • Haskell

Linux Shell

• Let's Echo
  • Solution
• Looping and Skipping
  • Solution
• A Personalized Echo
  • Solution
• Looping with Numbers
  • Solution
• The World of Numbers
  • Solution
• Getting started with conditionals
  • Solution
• More on Conditionals
  • Solution

Java

• Tag Content Extractor
  • Solution
• Java Sort
  • Solution