Dart

33,157 students

36 contributors

33,154
students have developed their Dart skills on Exercism.

Students

33,154

Submissions

42,707

Mentoring Discussions

3,083

The Dart track needs attention ⚠️

Building

Build

Use your knowledge to build the Dart track itself

36 contributors

Build Test Runners

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

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

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

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

11,564

8,806 (avg. 0.8)

7,081 (61.2%)

3 (0.0%)

Two Fer

5,078

5,961 (avg. 1.2)

3,446 (67.9%)

1,145 (22.5%)

Leap

3,041

3,796 (avg. 1.2)

2,470 (81.2%)

551 (18.1%)

Scrabble Score

2,174

2,598 (avg. 1.2)

1,686 (77.6%)

324 (14.9%)

Armstrong Numbers

1,536

1,832 (avg. 1.2)

1,289 (83.9%)

206 (13.4%)

High Scores

273

298 (avg. 1.1)

206 (75.5%)

6 (2.2%)

Difference of Squares

1,150

1,364 (avg. 1.2)

1,006 (87.5%)

146 (12.7%)

Forth

142

70 (avg. 0.5)

50 (35.2%)

5 (3.5%)

Word Count

986

1,043 (avg. 1.1)

687 (69.7%)

103 (10.4%)

Bob

744

841 (avg. 1.1)

577 (77.6%)

63 (8.5%)

Space Age

606

691 (avg. 1.1)

523 (86.3%)

50 (8.3%)

Hamming

540

644 (avg. 1.2)

473 (87.6%)

37 (6.9%)

Gigasecond

461

493 (avg. 1.1)

405 (87.9%)

30 (6.5%)

Raindrops

469

536 (avg. 1.1)

423 (90.2%)

33 (7.0%)

Sum of Multiples

53

58 (avg. 1.1)

47 (88.7%)

3 (5.7%)

RNA Transcription

435

496 (avg. 1.1)

386 (88.7%)

30 (6.9%)

Anagram

433

554 (avg. 1.3)

371 (85.7%)

33 (7.6%)

Pascal's Triangle

334

345 (avg. 1.0)

258 (77.2%)

22 (6.6%)

ISBN Verifier

336

378 (avg. 1.1)

271 (80.7%)

27 (8.0%)

Binary Search Tree

310

291 (avg. 0.9)

190 (61.3%)

23 (7.4%)

Resistor Color

2,724

2,423 (avg. 0.9)

1,702 (62.5%)

75 (2.8%)

Collatz Conjecture

467

553 (avg. 1.2)

392 (83.9%)

23 (4.9%)

Reverse String

1,402

1,533 (avg. 1.1)

1,179 (84.1%)

47 (3.4%)

Resistor Color Duo

1,173

1,263 (avg. 1.1)

932 (79.5%)

32 (2.7%)

Beer Song

637

672 (avg. 1.1)

462 (72.5%)

18 (2.8%)

Secret Handshake

309

308 (avg. 1.0)

231 (74.8%)

4 (1.3%)

Isogram

539

660 (avg. 1.2)

460 (85.3%)

7 (1.3%)

Nth Prime

270

312 (avg. 1.2)

208 (77.0%)

5 (1.9%)

Luhn

342

392 (avg. 1.1)

256 (74.9%)

5 (1.5%)

Allergies

253

288 (avg. 1.1)

190 (75.1%)

5 (2.0%)

Darts

253

255 (avg. 1.0)

212 (83.8%)

4 (1.6%)

Acronym

329

385 (avg. 1.2)

277 (84.2%)

6 (1.8%)

Phone Number

311

327 (avg. 1.1)

241 (77.5%)

5 (1.6%)

Triangle

206

233 (avg. 1.1)

169 (82.0%)

4 (1.9%)

Pangram

243

285 (avg. 1.2)

213 (87.7%)

3 (1.2%)

Prime Factors

255

258 (avg. 1.0)

207 (81.2%)

5 (2.0%)

Robot Simulator

213

240 (avg. 1.1)

149 (70.0%)

4 (1.9%)

Minesweeper

226

215 (avg. 1.0)

144 (63.7%)

0 (0.0%)

Diamond

509

511 (avg. 1.0)

306 (60.1%)

17 (3.3%)

Matching Brackets

449

465 (avg. 1.0)

288 (64.1%)

12 (2.7%)

Pig Latin

40

34 (avg. 0.9)

23 (57.5%)

1 (2.5%)

88 unimplemented practice exercises

Affine Cipher

All Your Base

Alphametics

Atbash Cipher

Bank Account

Binary Search

Book Store

Bottle Song

Bowling

Change

Circular Buffer

Clock

Complex Numbers

Connect

Crypto Square

Custom Set

D&D Character

DOT DSL

Dominoes

ETL

Error Handling

Flatten Array

Food Chain

Go Counting

Grade School

Grains

Grep

Hangman

House

Killer Sudoku Helper

Kindergarten Garden

Knapsack

Largest Series Product

Ledger

Lens Person

Linked List

List Ops

Markdown

Matrix

Meetup

Micro Blog

Nucleotide Count

OCR Numbers

POV

PaaS I/O

Palindrome Products

Parallel Letter Frequency

Perfect Numbers

Poker

Protein Translation

Proverb

Pythagorean Triplet

Queen Attack

REST API

Rail Fence Cipher

Rational Numbers

React

Rectangles

Resistor Color Trio

Robot Name

Roman Numerals

Rotational Cipher

Run-Length Encoding

SGF Parsing

Saddle Points

Satellite

Say

Scale Generator

Series

Sieve

Simple Cipher

Simple Linked List

Spiral Matrix

Square Root

State of Tic-Tac-Toe

Strain

Sublist

Tournament

Transpose

Tree Building

Twelve Days

Two Bucket

Variable Length Quantity

Word Search

Wordy

Yacht

Zebra Puzzle

Zipper

Volunteers

79

stepan-manookian

4,032

Stargator

3,122

Corentin-Leffy

2,997

We 💙 our volunteers

Exercism relies on open-source volunteers to build our language tracks and mentor students.

Become an Exercism Volunteer