Exercises on the Prolog Track | Exercism

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

Hello World

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

Queen Attack

Given the position of two queens on a chess board, indicate whether or not they are positioned so that they can attack each other.

Triangle

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

Isogram

Determine if a word or phrase is an isogram.

Binary

Convert a binary number, represented as a string (e.g. '101010'), to its decimal equivalent using first principles

RNA Transcription

Given a DNA strand, return its RNA Complement Transcription.

Anagram

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

Pascal's Triangle

Compute Pascal's triangle up to a given number of rows.

Dominoes

Make a chain of dominoes.

Satellite

Rebuild binary trees from pre-order and in-order traversals.

tree traversals

Spiral Matrix

Given the size, return a square matrix of numbers in spiral order.

Nucleotide Count

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

Hamming

Calculate the Hamming difference between two DNA strands.

Complex Numbers

Implement complex numbers.

Sum Of Multiples

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

Leap

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

Space Age

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

Grains

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

Wordy

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