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442 mentors

Dart Track Management

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

Students

54,040

Submissions

253,415

Mentoring Discussions

3,991

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: 4527f7e88036ac298917a3812a110fa5029396b4 (Updates should be instant)

Next goal: Implement 139 practice exercises. Find out more.

78 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

29,903

47,944 (avg. 1.6)

18,863 (63.1%)

3 (0.0%)

Two Fer

14,262

41,148 (avg. 2.9)

8,336 (58.4%)

1,497 (10.5%)

Leap

8,281

26,002 (avg. 3.1)

6,123 (73.9%)

694 (8.4%)

Scrabble Score

5,874

17,370 (avg. 3.0)

4,343 (73.9%)

474 (8.1%)

Atbash Cipher

1,759

11,533 (avg. 6.6)

1,157 (65.8%)

49 (2.8%)

Eliud's Eggs

1,478

4,147 (avg. 2.8)

1,213 (82.1%)

19 (1.3%)

ETL

1,023

2,971 (avg. 2.9)

864 (84.5%)

13 (1.3%)

Armstrong Numbers

3,199

12,869 (avg. 4.0)

2,612 (81.7%)

256 (8.0%)

Conway's Game of Life

696

2,651 (avg. 3.8)

559 (80.3%)

6 (0.9%)

High Scores

1,806

6,664 (avg. 3.7)

1,355 (75.0%)

36 (2.0%)

House

612

2,021 (avg. 3.3)

477 (77.9%)

0 (0.0%)

Difference of Squares

2,265

4,091 (avg. 1.8)

2,002 (88.4%)

163 (7.2%)

Nucleotide Count

623

1,463 (avg. 2.3)

575 (92.3%)

7 (1.1%)

Proverb

581

1,250 (avg. 2.2)

556 (95.7%)

2 (0.3%)

Grains

884

3,471 (avg. 3.9)

758 (85.7%)

11 (1.2%)

Forth

931

3,707 (avg. 4.0)

512 (55.0%)

20 (2.1%)

Sublist

536

1,381 (avg. 2.6)

469 (87.5%)

1 (0.2%)

Word Count

1,848

4,051 (avg. 2.2)

1,372 (74.2%)

111 (6.0%)

Bob

1,494

3,230 (avg. 2.2)

1,245 (83.3%)

68 (4.6%)

Space Age

1,308

2,636 (avg. 2.0)

1,151 (88.0%)

54 (4.1%)

Hamming

1,187

1,846 (avg. 1.6)

1,085 (91.4%)

41 (3.5%)

Gigasecond

1,029

1,329 (avg. 1.3)

929 (90.3%)

31 (3.0%)

Raindrops

1,112

1,756 (avg. 1.6)

1,028 (92.4%)

36 (3.2%)

Square Root

433

785 (avg. 1.8)

404 (93.3%)

1 (0.2%)

Strain

394

740 (avg. 1.9)

369 (93.7%)

1 (0.3%)

Sum of Multiples

624

1,531 (avg. 2.5)

550 (88.1%)

8 (1.3%)

RNA Transcription

953

1,351 (avg. 1.4)

877 (92.0%)

32 (3.4%)

Twelve Days

322

708 (avg. 2.2)

288 (89.4%)

0 (0.0%)

Anagram

922

1,868 (avg. 2.0)

814 (88.3%)

35 (3.8%)

Pascal's Triangle

823

1,274 (avg. 1.5)

706 (85.8%)

24 (2.9%)

Perfect Numbers

314

757 (avg. 2.4)

293 (93.3%)

1 (0.3%)

ISBN Verifier

783

1,715 (avg. 2.2)

648 (82.8%)

32 (4.1%)

Binary Search Tree

717

1,369 (avg. 1.9)

487 (67.9%)

27 (3.8%)

Resistor Color

3,124

3,116 (avg. 1.0)

2,078 (66.5%)

76 (2.4%)

Collatz Conjecture

873

1,416 (avg. 1.6)

769 (88.1%)

25 (2.9%)

Reverse String

1,898

2,372 (avg. 1.2)

1,634 (86.1%)

49 (2.6%)

Resistor Color Duo

1,549

1,847 (avg. 1.2)

1,296 (83.7%)

34 (2.2%)

Resistor Color Trio

228

490 (avg. 2.1)

212 (93.0%)

0 (0.0%)

Bottle Song

229

569 (avg. 2.5)

214 (93.4%)

0 (0.0%)

Secret Handshake

649

989 (avg. 1.5)

540 (83.2%)

8 (1.2%)

Isogram

914

1,341 (avg. 1.5)

807 (88.3%)

10 (1.1%)

Nth Prime

615

1,312 (avg. 2.1)

515 (83.7%)

9 (1.5%)

Luhn

647

1,123 (avg. 1.7)

524 (81.0%)

10 (1.5%)

Allergies

574

963 (avg. 1.7)

465 (81.0%)

9 (1.6%)

Darts

597

861 (avg. 1.4)

510 (85.4%)

5 (0.8%)

Acronym

647

1,148 (avg. 1.8)

560 (86.6%)

7 (1.1%)

Phone Number

649

1,201 (avg. 1.9)

515 (79.4%)

6 (0.9%)

Triangle

532

915 (avg. 1.7)

469 (88.2%)

6 (1.1%)

Pangram

550

834 (avg. 1.5)

505 (91.8%)

6 (1.1%)

Prime Factors

557

868 (avg. 1.6)

486 (87.3%)

9 (1.6%)

Robot Simulator

477

888 (avg. 1.9)

355 (74.4%)

5 (1.0%)

Flower Field

129

247 (avg. 1.9)

112 (86.8%)

0 (0.0%)

Diamond

772

944 (avg. 1.2)

541 (70.1%)

21 (2.7%)

Matching Brackets

730

919 (avg. 1.3)

535 (73.3%)

15 (2.1%)

Queen Attack

148

372 (avg. 2.5)

131 (88.5%)

0 (0.0%)

Pig Latin

252

695 (avg. 2.8)

206 (81.7%)

3 (1.2%)

Roman Numerals

217

471 (avg. 2.2)

182 (83.9%)

2 (0.9%)

Binary Search

201

705 (avg. 3.5)

173 (86.1%)

1 (0.5%)

Protein Translation

176

590 (avg. 3.4)

155 (88.1%)

1 (0.6%)

Relative Distance

118

317 (avg. 2.7)

95 (80.5%)

0 (0.0%)

List Ops

150

446 (avg. 3.0)

113 (75.3%)

0 (0.0%)

All Your Base

130

312 (avg. 2.4)

115 (88.5%)

1 (0.8%)

Yacht

138

443 (avg. 3.2)

129 (93.5%)

0 (0.0%)

Sieve of Eratosthenes

151

247 (avg. 1.6)

139 (92.1%)

0 (0.0%)

Circular Buffer

193

501 (avg. 2.6)

162 (83.9%)

2 (1.0%)

Zebra Puzzle

183

429 (avg. 2.3)

126 (68.9%)

2 (1.1%)

D&D Character

148

408 (avg. 2.8)

130 (87.8%)

0 (0.0%)

Spiral Matrix

134

201 (avg. 1.5)

122 (91.0%)

0 (0.0%)

Largest Series Product

138

395 (avg. 2.9)

129 (93.5%)

1 (0.7%)

Run-Length Encoding

156

397 (avg. 2.5)

137 (87.8%)

0 (0.0%)

Food Chain

146

279 (avg. 1.9)

128 (87.7%)

1 (0.7%)

Kindergarten Garden

125

263 (avg. 2.1)

114 (91.2%)

0 (0.0%)

Meetup

115

363 (avg. 3.2)

102 (88.7%)

0 (0.0%)

Knapsack

149

306 (avg. 2.1)

127 (85.2%)

0 (0.0%)

Two Bucket

165

440 (avg. 2.7)

129 (78.2%)

2 (1.2%)

Rotational Cipher

225

512 (avg. 2.3)

169 (75.1%)

2 (0.9%)

Grade School

202

564 (avg. 2.8)

149 (73.8%)

3 (1.5%)

Camicia

130 (avg. 4.3)

13 (43.3%)

0 (0.0%)

2 deprecated practice exercises

Started

Attempts

Completions

Mentoring requests

Beer Song

790

1,175 (avg. 1.5)

588 (74.4%)

22 (2.8%)

Minesweeper

339

461 (avg. 1.4)

236 (69.6%)

1 (0.3%)

61 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

Intergalactic Transmission

Killer Sudoku Helper

Ledger

Lens Person

Line Up

Linked List

Markdown

Matrix

Micro Blog

OCR Numbers

PaaS I/O

Palindrome Products

Parallel Letter Frequency

Piecing It Together

Poker

POV

Prism

Pythagorean Triplet

Rail Fence Cipher

Rational Numbers

React

Rectangles

Resistor Color Tolerance

REST API

Robot Name

Saddle Points

Satellite

Save the Cow

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

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: 1dd0d9a4e4632bc1d65d65a14648afe900df6af6 (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

232,804

Test Run Pass Rate

32.0% (74588)

Test Run Fail Rate

66.2% (154068)

Test Run Error Rate

1.8% (4148)

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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