Exercises on the CFML Track | Exercism

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

Hello World

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

Leap

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

Raindrops

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

Scrabble Score

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

Difference Of Squares

Find the difference between the square of the sum and the sum of the squares of the first N natural numbers.

Secret Handshake

Given a decimal number, convert it to the appropriate sequence of events for a secret handshake.

Space Age

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

Acronym

Convert a long phrase to its acronym

RNA Transcription

Given a DNA strand, return its RNA Complement Transcription.

Pangram

Determine if a sentence is a pangram.

Hamming

Calculate the Hamming difference between two DNA strands.

Gigasecond

Given a moment, determine the moment that would be after a gigasecond has passed.

Sum Of Multiples

Given a number, find the sum of all the multiples of particular numbers up to but not including that number.

Luhn

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

Triangle

Determine if a triangle is equilateral, isosceles, or scalene.

Largest Series Product

Given a string of digits, calculate the largest product for a contiguous substring of digits of length n.

Grains

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

Atbash Cipher

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

Nth Prime

Given a number n, determine what the nth prime is.

Pig Latin

Implement a program that translates from English to Pig Latin

Flatten Array

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

Saddle Points

Detect saddle points in a matrix.

Diamond

Given a letter, print a diamond starting with 'A' with the supplied letter at the widest point.

Isogram

Determine if a word or phrase is an isogram.

Bob

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

Word Count

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

Markdown

Refactor a Markdown parser

Anagram

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