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Dart Track Management

This page provides the Exercism community with the information and tools needed to manage the Dart track.

Students

46,394

Submissions

162,341

Mentoring Discussions

3,688

The Dart track needs attention ⚠️

Building

Practice Exercises

Learn More

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.

Synced primary repo: b153a4fa3bb45678a38553bc492ae62fa1c8a014 (Updates should be instant)

Next goal: Implement 135 practice exercises. Find out more.

77 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

22,499

31,476 (avg. 1.4)

14,317 (63.6%)

3 (0.0%)

Two Fer

10,600

27,083 (avg. 2.6)

6,348 (59.9%)

1,347 (12.7%)

Leap

6,165

16,844 (avg. 2.7)

4,606 (74.7%)

638 (10.3%)

Scrabble Score

4,320

11,090 (avg. 2.6)

3,182 (73.7%)

429 (9.9%)

Atbash Cipher

666

4,849 (avg. 7.3)

381 (57.2%)

24 (3.6%)

Eliud's Eggs

682

2,161 (avg. 3.2)

516 (75.7%)

14 (2.1%)

ETL

324

987 (avg. 3.0)

261 (80.6%)

6 (1.9%)

Armstrong Numbers

2,556

9,265 (avg. 3.6)

2,045 (80.0%)

247 (9.7%)

Conway's Game of Life

124

540 (avg. 4.4)

103 (83.1%)

2 (1.6%)

High Scores

1,220

4,701 (avg. 3.9)

872 (71.5%)

30 (2.5%)

House

107

339 (avg. 3.2)

86 (80.4%)

0 (0.0%)

Difference of Squares

1,810

3,204 (avg. 1.8)

1,574 (87.0%)

162 (9.0%)

Nucleotide Count

189

638 (avg. 3.4)

165 (87.3%)

4 (2.1%)

Proverb

177

549 (avg. 3.1)

166 (93.8%)

2 (1.1%)

Grains

475

2,375 (avg. 5.0)

375 (78.9%)

9 (1.9%)

Forth

559

2,408 (avg. 4.3)

230 (41.1%)

18 (3.2%)

Sublist

157

564 (avg. 3.6)

121 (77.1%)

1 (0.6%)

Word Count

1,462

3,178 (avg. 2.2)

1,017 (69.6%)

110 (7.5%)

Bob

1,127

2,496 (avg. 2.2)

891 (79.1%)

68 (6.0%)

Space Age

949

1,846 (avg. 1.9)

812 (85.6%)

53 (5.6%)

Hamming

841

1,273 (avg. 1.5)

751 (89.3%)

39 (4.6%)

Gigasecond

731

905 (avg. 1.2)

645 (88.2%)

30 (4.1%)

Raindrops

793

1,278 (avg. 1.6)

723 (91.2%)

35 (4.4%)

Square Root

141

272 (avg. 1.9)

127 (90.1%)

0 (0.0%)

Strain

121

318 (avg. 2.6)

111 (91.7%)

1 (0.8%)

Sum of Multiples

363

1,039 (avg. 2.9)

299 (82.4%)

7 (1.9%)

RNA Transcription

704

962 (avg. 1.4)

637 (90.5%)

32 (4.5%)

Twelve Days

163 (avg. 2.0)

74 (91.4%)

0 (0.0%)

Anagram

708

1,446 (avg. 2.0)

618 (87.3%)

35 (4.9%)

Pascal's Triangle

623

987 (avg. 1.6)

516 (82.8%)

24 (3.9%)

Perfect Numbers

120

448 (avg. 3.7)

111 (92.5%)

1 (0.8%)

ISBN Verifier

602

1,209 (avg. 2.0)

488 (81.1%)

30 (5.0%)

Binary Search Tree

535

878 (avg. 1.6)

345 (64.5%)

26 (4.9%)

Resistor Color

2,942

2,824 (avg. 1.0)

1,905 (64.8%)

76 (2.6%)

Collatz Conjecture

695

1,102 (avg. 1.6)

599 (86.2%)

25 (3.6%)

Reverse String

1,701

2,018 (avg. 1.2)

1,448 (85.1%)

48 (2.8%)

Resistor Color Duo

1,386

1,591 (avg. 1.1)

1,134 (81.8%)

34 (2.5%)

Resistor Color Trio

115 (avg. 1.7)

67 (98.5%)

0 (0.0%)

Bottle Song

181 (avg. 2.5)

68 (94.4%)

0 (0.0%)

Secret Handshake

497

637 (avg. 1.3)

397 (79.9%)

8 (1.6%)

Isogram

756

1,070 (avg. 1.4)

655 (86.6%)

10 (1.3%)

Nth Prime

463

898 (avg. 1.9)

376 (81.2%)

8 (1.7%)

Luhn

509

808 (avg. 1.6)

400 (78.6%)

9 (1.8%)

Allergies

437

682 (avg. 1.6)

339 (77.6%)

9 (2.1%)

Darts

442

602 (avg. 1.4)

377 (85.3%)

4 (0.9%)

Acronym

515

888 (avg. 1.7)

438 (85.0%)

7 (1.4%)

Phone Number

510

854 (avg. 1.7)

392 (76.9%)

6 (1.2%)

Triangle

389

649 (avg. 1.7)

337 (86.6%)

5 (1.3%)

Pangram

414

615 (avg. 1.5)

375 (90.6%)

5 (1.2%)

Prime Factors

418

615 (avg. 1.5)

357 (85.4%)

9 (2.2%)

Robot Simulator

353

585 (avg. 1.7)

256 (72.5%)

5 (1.4%)

Flower Field

28 (avg. 1.9)

14 (93.3%)

0 (0.0%)

Diamond

659

740 (avg. 1.1)

434 (65.9%)

20 (3.0%)

Matching Brackets

609

710 (avg. 1.2)

423 (69.5%)

15 (2.5%)

Queen Attack

103 (avg. 2.1)

39 (79.6%)

0 (0.0%)

Pig Latin

158

360 (avg. 2.3)

116 (73.4%)

3 (1.9%)

Roman Numerals

106

285 (avg. 2.7)

79 (74.5%)

2 (1.9%)

Binary Search

373 (avg. 4.4)

71 (84.5%)

1 (1.2%)

Protein Translation

317 (avg. 4.2)

63 (82.9%)

1 (1.3%)

Relative Distance

62 (avg. 2.3)

20 (74.1%)

0 (0.0%)

List Ops

234 (avg. 3.6)

43 (66.2%)

0 (0.0%)

All Your Base

129 (avg. 2.7)

38 (80.9%)

0 (0.0%)

Yacht

189 (avg. 3.9)

44 (89.8%)

0 (0.0%)

Sieve of Eratosthenes

104 (avg. 1.7)

53 (86.9%)

0 (0.0%)

Circular Buffer

312 (avg. 3.3)

72 (75.8%)

1 (1.1%)

Zebra Puzzle

220 (avg. 3.1)

36 (50.7%)

1 (1.4%)

D&D Character

231 (avg. 4.0)

47 (81.0%)

0 (0.0%)

Spiral Matrix

69 (avg. 1.4)

40 (83.3%)

0 (0.0%)

Largest Series Product

252 (avg. 4.8)

47 (88.7%)

1 (1.9%)

Run-Length Encoding

158 (avg. 2.9)

45 (81.8%)

0 (0.0%)

Food Chain

154 (avg. 2.9)

42 (77.8%)

1 (1.9%)

Kindergarten Garden

111 (avg. 2.6)

35 (83.3%)

0 (0.0%)

Meetup

215 (avg. 5.8)

29 (78.4%)

0 (0.0%)

Knapsack

146 (avg. 3.0)

42 (85.7%)

0 (0.0%)

Two Bucket

149 (avg. 2.6)

41 (71.9%)

1 (1.8%)

Rotational Cipher

268 (avg. 2.9)

63 (68.5%)

2 (2.2%)

Grade School

281 (avg. 3.6)

51 (65.4%)

2 (2.6%)

2 deprecated practice exercises

Started

Attempts

Completions

Mentoring requests

Beer Song

790

1,174 (avg. 1.5)

587 (74.3%)

22 (2.8%)

Minesweeper

339

461 (avg. 1.4)

236 (69.6%)

1 (0.3%)

58 unimplemented practice exercises

Affine Cipher

Alphametics

Baffling Birthdays

Bank Account

Book Store

Bowling

Change

Clock

Complex Numbers

Connect

Crypto Square

Custom Set

Dominoes

DOT DSL

Error Handling

Flatten Array

Go Counting

Grep

Hangman

Intergalactic Transmission

Killer Sudoku Helper

Ledger

Lens Person

Linked List

Markdown

Matrix

Micro Blog

OCR Numbers

PaaS I/O

Palindrome Products

Parallel Letter Frequency

Piecing It Together

Poker

POV

Pythagorean Triplet

Rail Fence Cipher

Rational Numbers

React

Rectangles

REST API

Robot Name

Saddle Points

Satellite

Say

Series

SGF Parsing

Simple Cipher

Simple Linked List

Split-Second Stopwatch

State of Tic-Tac-Toe

Swift Scheduling

Tournament

Transpose

Tree Building

Variable Length Quantity

Word Search

Wordy

Zipper

Programming Tags

Learn More

Help manage the tags used to group, filter and recommend solutions, approaches and articles.

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Test Runner

Learn More

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

Current version: 848de8b33b0e1851154ca58b5cc90bc06c3d57c5 (Takes up to 10 mins to deploy)

Next goal: Get Test Runners to Version 2. Dart is currently utilising a Version 1 Test Runner. Find out more.

Total Test Runner Runs

142,390

Test Run Pass Rate

32.3% (45993)

Test Run Fail Rate

65.9% (93890)

Test Run Error Rate

1.8% (2507)

Representer

Learn More

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.

Analyzer

Learn More

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.

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3,397

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