29,917
students have developed their Dart skills on Exercism.

Students
29,917
Submissions
39,417
Mentoring Discussions
3,026

The Dart track needs attention ⚠️

Building

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Use your knowledge to build the Dart track itself

Build Test Runners

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Create Test Runners that have the single responsibility of taking a solution, running all tests and returning a standardized output.

Next goal: Build a Test Runner. Find out more.

Build Analyzers

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Build an Analyzer for Dart: Exercism's analyzers automatically assess student's submissions and provide mentor-style commentary.

Next goal: Build an Analyzer. Find out more.

Build Representers

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Build a Representer: a bit of code that has the single responsibility of taking a solution and returning a normalized representation of it.

Next goal: Build a Representer. Find out more.

Create Practice Exercises

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Practice Exercises are exercises designed to allow students to solve an arbitrary problem, with the aim of them making use of the concepts they have learned so far.

Next goal: Implement at least 50 practice exercises. Find out more.

Usage statistics

41 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
10,440
7,954 (avg. 0.8)
6,326 (60.6%)
3 (0.0%)
Two Fer Two Fer
4,550
5,437 (avg. 1.2)
3,061 (67.3%)
1,130 (24.8%)
Leap Leap
2,708
3,431 (avg. 1.3)
2,191 (80.9%)
542 (20.0%)
Scrabble Score Scrabble Score
1,941
2,350 (avg. 1.2)
1,497 (77.1%)
317 (16.3%)
Armstrong Numbers Armstrong Numbers
1,358
1,644 (avg. 1.2)
1,146 (84.4%)
198 (14.6%)
High Scores High Scores
110
115 (avg. 1.0)
83 (75.5%)
0 (0.0%)
Difference of Squares Difference of Squares
1,048
1,254 (avg. 1.2)
916 (87.4%)
144 (13.7%)
Forth Forth
81
34 (avg. 0.4)
24 (29.6%)
2 (2.5%)
Word Count Word Count
909
972 (avg. 1.1)
638 (70.2%)
102 (11.2%)
Bob Bob
687
789 (avg. 1.1)
536 (78.0%)
61 (8.9%)
Space Age Space Age
567
647 (avg. 1.1)
488 (86.1%)
50 (8.8%)
Hamming Hamming
506
611 (avg. 1.2)
443 (87.5%)
37 (7.3%)
Gigasecond Gigasecond
435
466 (avg. 1.1)
379 (87.1%)
30 (6.9%)
Raindrops Raindrops
443
506 (avg. 1.1)
398 (89.8%)
31 (7.0%)
Sum of Multiples Sum of Multiples
24
23 (avg. 1.0)
20 (83.3%)
2 (8.3%)
RNA Transcription RNA Transcription
416
473 (avg. 1.1)
367 (88.2%)
30 (7.2%)
Anagram Anagram
413
531 (avg. 1.3)
353 (85.5%)
33 (8.0%)
Pascal's Triangle Pascal's Triangle
318
331 (avg. 1.0)
243 (76.4%)
22 (6.9%)
ISBN Verifier ISBN Verifier
313
354 (avg. 1.1)
253 (80.8%)
26 (8.3%)
Binary Search Tree Binary Search Tree
289
273 (avg. 0.9)
177 (61.2%)
23 (8.0%)
Resistor Color Resistor Color
2,709
2,405 (avg. 0.9)
1,685 (62.2%)
75 (2.8%)
Collatz Conjecture Collatz Conjecture
447
533 (avg. 1.2)
375 (83.9%)
23 (5.1%)
Reverse String Reverse String
1,374
1,504 (avg. 1.1)
1,153 (83.9%)
47 (3.4%)
Resistor Color Duo Resistor Color Duo
1,161
1,251 (avg. 1.1)
919 (79.2%)
32 (2.8%)
Beer Song Beer Song
619
652 (avg. 1.1)
445 (71.9%)
16 (2.6%)
Secret Handshake Secret Handshake
295
295 (avg. 1.0)
219 (74.2%)
4 (1.4%)
Isogram Isogram
523
640 (avg. 1.2)
446 (85.3%)
7 (1.3%)
Nth Prime Nth Prime
253
294 (avg. 1.2)
193 (76.3%)
5 (2.0%)
Luhn Luhn
326
375 (avg. 1.2)
242 (74.2%)
5 (1.5%)
Allergies Allergies
237
265 (avg. 1.1)
173 (73.0%)
5 (2.1%)
Darts Darts
234
235 (avg. 1.0)
196 (83.8%)
4 (1.7%)
Acronym Acronym
313
363 (avg. 1.2)
261 (83.4%)
6 (1.9%)
Phone Number Phone Number
294
311 (avg. 1.1)
226 (76.9%)
5 (1.7%)
Triangle Triangle
187
214 (avg. 1.1)
153 (81.8%)
3 (1.6%)
Pangram Pangram
228
266 (avg. 1.2)
199 (87.3%)
3 (1.3%)
Prime Factors Prime Factors
240
242 (avg. 1.0)
193 (80.4%)
5 (2.1%)
Robot Simulator Robot Simulator
196
221 (avg. 1.1)
134 (68.4%)
3 (1.5%)
Minesweeper Minesweeper
211
203 (avg. 1.0)
133 (63.0%)
0 (0.0%)
Diamond Diamond
493
496 (avg. 1.0)
294 (59.6%)
15 (3.0%)
Matching Brackets Matching Brackets
420
437 (avg. 1.0)
271 (64.5%)
9 (2.1%)
Pig Latin Pig Latin
23
20 (avg. 0.9)
11 (47.8%)
1 (4.3%)
88 unimplemented practice exercises
Affine Cipher Affine Cipher
All Your Base All Your Base
Alphametics Alphametics
Atbash Cipher Atbash Cipher
Bank Account Bank Account
Binary Search Binary Search
Book Store Book Store
Bottle Song Bottle Song
Bowling Bowling
Change Change
Circular Buffer Circular Buffer
Clock Clock
Complex Numbers Complex Numbers
Connect Connect
Crypto Square Crypto Square
Custom Set Custom Set
D&D Character D&D Character
DOT DSL DOT DSL
Dominoes Dominoes
ETL ETL
Error Handling Error Handling
Flatten Array Flatten Array
Food Chain Food Chain
Go Counting Go Counting
Grade School Grade School
Grains Grains
Grep Grep
Hangman Hangman
House House
Killer Sudoku Helper Killer Sudoku Helper
Kindergarten Garden Kindergarten Garden
Knapsack Knapsack
Largest Series Product Largest Series Product
Ledger Ledger
Lens Person Lens Person
Linked List Linked List
List Ops List Ops
Markdown Markdown
Matrix Matrix
Meetup Meetup
Micro Blog Micro Blog
Nucleotide Count Nucleotide Count
OCR Numbers OCR Numbers
POV POV
PaaS I/O PaaS I/O
Palindrome Products Palindrome Products
Parallel Letter Frequency Parallel Letter Frequency
Perfect Numbers Perfect Numbers
Poker Poker
Protein Translation Protein Translation
Proverb Proverb
Pythagorean Triplet Pythagorean Triplet
Queen Attack Queen Attack
REST API REST API
Rail Fence Cipher Rail Fence Cipher
Rational Numbers Rational Numbers
React React
Rectangles Rectangles
Resistor Color Trio Resistor Color Trio
Robot Name Robot Name
Roman Numerals Roman Numerals
Rotational Cipher Rotational Cipher
Run-Length Encoding Run-Length Encoding
SGF Parsing SGF Parsing
Saddle Points Saddle Points
Satellite Satellite
Say Say
Scale Generator Scale Generator
Series Series
Sieve Sieve
Simple Cipher Simple Cipher
Simple Linked List Simple Linked List
Spiral Matrix Spiral Matrix
Square Root Square Root
State of Tic-Tac-Toe State of Tic-Tac-Toe
Strain Strain
Sublist Sublist
Tournament Tournament
Transpose Transpose
Tree Building Tree Building
Twelve Days Twelve Days
Two Bucket Two Bucket
Variable Length Quantity Variable Length Quantity
Word Search Word Search
Wordy Wordy
Yacht Yacht
Zebra Puzzle Zebra Puzzle
Zipper Zipper