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Exercises on the Dart track

Join the Dart Track
35 exercises to help you master Dart
easy

Hello World

The classical introductory exercise. Just say "Hello, World!"
control flow conditionals
optional values
strings
text formatting
easy

Resistor Color

Convert a resistor band's color to its numeric representation
arrays
strings
easy

Two Fer

Create a sentence of the form "One for X, one for me."
conditionals
optional values
text formatting
easy

Resistor Color Duo

Convert color codes, as used on resistors, to a numeric value.
arrays
strings
easy

Reverse String

Reverse a string
strings
easy

Leap

Given a year, report if it is a leap year.
booleans
integers
logic
easy

Scrabble Score

Given a word, compute the scrabble score for that word.
control flow conditionals
control flow loops
equality
strings
easy

Armstrong Numbers

Determine if a number is an Armstrong number
equality
integers
logic
strings
math
easy

Isogram

Determine if a word or phrase is an isogram.
algorithms
logic
strings
easy

Difference Of Squares

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

Word Count

Given a phrase, count the occurrences of each word in that phrase.
control flow loops
lists
maps
regular expressions
easy

Bob

Bob is a lackadaisical teenager. In conversation, his responses are very limited.
control flow conditionals
pattern recognition
polymorphism
regular expressions
strings
unicode
easy

Space Age

Given an age in seconds, calculate how old someone is in terms of a given planet's solar years.
floating point numbers
integers
math
polymorphism
easy

Hamming

Calculate the Hamming difference between two DNA strands.
control flow conditionals
control flow loops
equality
strings
easy

Acronym

Convert a long phrase to its acronym
control flow conditionals
control flow loops
equality
regular expressions
strings
easy

Phone Number

Clean up user-entered phone numbers so that they can be sent SMS messages.
control flow conditionals
control flow loops
regular expressions
easy

Gigasecond

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

Raindrops

Convert a number to a string, the contents of which depend on the number's factors.
control flow conditionals
equality
strings
easy

RNA Transcription

Given a DNA strand, return its RNA Complement Transcription.
strings
transforming
easy

Anagram

Given a word and a list of possible anagrams, select the correct sublist.
control flow conditionals
control flow loops
equality
strings
easy

Prime Factors

Compute the prime factors of a given natural number.
arrays
conditionals
integers
lists
loops
math
easy

Diamond

Given a letter, print a diamond starting with 'A' with the supplied letter at the widest point.
control flow conditionals
control flow loops
strings
easy

Matching Brackets

Make sure the brackets and braces all match.
pattern matching
stacks
easy

Pascal's Triangle

Compute Pascal's triangle up to a given number of rows.
control flow conditionals
control flow loops
integers
lists
math
easy

Darts

Write a function that returns the earned points in a single toss of a Darts game
control flow conditionals
math
easy

Pangram

Determine if a sentence is a pangram.
pattern matching
regular expressions
sets
strings
medium

Luhn

Given a number determine whether or not it is valid per the Luhn formula.
algorithms
booleans
loops
strings
type conversion
medium

Minesweeper

Add the numbers to a minesweeper board
classes
games
lists
logic
loops
math
object oriented programming
medium

ISBN Verifier

Check if a given string is a valid ISBN-10 number.
integers
loops
strings
easy

Collatz Conjecture

Calculate the number of steps to reach 1 using the Collatz conjecture
exception handling
loops
math
medium

Binary Search Tree

Insert and search for numbers in a binary tree.
algorithms
classes
generics
inheritance
logic
object oriented programming
searching
sorting
trees
easy

Nth Prime

Given a number n, determine what the nth prime is.
algorithms
integers
math
easy

Allergies

Given a person's allergy score, determine whether or not they're allergic to a given item, and their full list of allergies.
arrays
bitwise operations
control flow conditionals
control flow loops
easy

Triangle

Determine if a triangle is equilateral, isosceles, or scalene.
control flow conditionals
control flow loops
medium

Secret Handshake

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