Exercises on the Raku Track | Exercism

Exercism v3 launches on Sept 1st 2021. Learn more! 🚀🚀🚀

Hello World

The classical introductory exercise. Just say "Hello, World!"

Two Fer

Create a sentence of the form "One for X, one for me."

Leap

Given a year, report if it is a leap year.

Bob

Bob is a lackadaisical teenager. In conversation, his responses are very limited.

Nucleotide Count

Given a DNA string, compute how many times each nucleotide occurs in the string.

Pangram

Determine if a sentence is a pangram.

Clock

Implement a clock that handles times without dates.

Raindrops

Convert a number to a string, the content of which depends on the number's factors.

Phone Number

Clean up user-entered phone numbers so that they can be sent SMS messages.

Allergies

Given a person's allergy score, determine whether or not they're allergic to a given item, and their full list of allergies.

Hamming

Calculate the Hamming difference between two DNA strands.

RNA Transcription

Given a DNA strand, return its RNA Complement Transcription.

ETL

We are going to do the `Transform` step of an Extract-Transform-Load.

Wordy

Parse and evaluate simple math word problems returning the answer as an integer.

Scrabble Score

Given a word, compute the Scrabble score for that word.

Luhn

Given a number determine whether or not it is valid per the Luhn formula.

Meetup

Calculate the date of meetups.

Word Count

Given a phrase, count the occurrences of each word in that phrase.

Flatten Array

Take a nested list and return a single list with all values except nil/null

Grade School

Given students' names along with the grade that they are in, create a roster for the school

Accumulate

Implement the `accumulate` operation, which, given a collection and an operation to perform on each element of the collection, returns a new collection containing the result of applying that operation to each element of the input collection.

Grains

Calculate the number of grains of wheat on a chessboard given that the number on each square doubles.

All Your Base

Convert a number, represented as a sequence of digits in one base, to any other base.

Anagram

Given a word and a list of possible anagrams, select the correct sublist.

Robot Name

Manage robot factory settings.

Atbash Cipher

Create an implementation of the atbash cipher, an ancient encryption system created in the Middle East.

Space Age

Given an age in seconds, calculate how old someone is in terms of a given planet's solar years.

Linked List

Implement a doubly linked list

Acronym

Convert a long phrase to its acronym

Roman Numerals

Write a function to convert from normal numbers to Roman Numerals.