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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

53,787

Submissions

250,906

Mentoring Discussions

3,985

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: 0241026db704227f79d88257242daf936de9c498 (Updates should be instant)

Next goal: Implement 138 practice exercises. Find out more.

78 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

29,650

47,399 (avg. 1.6)

18,711 (63.1%)

3 (0.0%)

Two Fer

14,143

40,680 (avg. 2.9)

8,284 (58.6%)

1,493 (10.6%)

Leap

8,221

25,759 (avg. 3.1)

6,085 (74.0%)

693 (8.4%)

Scrabble Score

5,839

17,229 (avg. 3.0)

4,324 (74.1%)

474 (8.1%)

Atbash Cipher

1,744

11,430 (avg. 6.6)

1,148 (65.8%)

49 (2.8%)

Eliud's Eggs

1,465

4,090 (avg. 2.8)

1,204 (82.2%)

19 (1.3%)

ETL

1,013

2,947 (avg. 2.9)

856 (84.5%)

12 (1.2%)

Armstrong Numbers

3,190

12,806 (avg. 4.0)

2,605 (81.7%)

256 (8.0%)

Conway's Game of Life

691

2,610 (avg. 3.8)

554 (80.2%)

6 (0.9%)

High Scores

1,794

6,629 (avg. 3.7)

1,347 (75.1%)

36 (2.0%)

House

605

1,927 (avg. 3.2)

471 (77.9%)

0 (0.0%)

Difference of Squares

2,256

4,061 (avg. 1.8)

1,995 (88.4%)

163 (7.2%)

Nucleotide Count

617

1,426 (avg. 2.3)

569 (92.2%)

7 (1.1%)

Proverb

575

1,203 (avg. 2.1)

550 (95.7%)

2 (0.3%)

Grains

877

3,431 (avg. 3.9)

751 (85.6%)

11 (1.3%)

Forth

925

3,660 (avg. 4.0)

508 (54.9%)

19 (2.1%)

Sublist

530

1,347 (avg. 2.5)

464 (87.5%)

1 (0.2%)

Word Count

1,843

4,014 (avg. 2.2)

1,367 (74.2%)

111 (6.0%)

Bob

1,489

3,215 (avg. 2.2)

1,241 (83.3%)

68 (4.6%)

Space Age

1,305

2,605 (avg. 2.0)

1,148 (88.0%)

54 (4.1%)

Hamming

1,184

1,836 (avg. 1.6)

1,082 (91.4%)

41 (3.5%)

Gigasecond

1,026

1,320 (avg. 1.3)

926 (90.3%)

31 (3.0%)

Raindrops

1,107

1,738 (avg. 1.6)

1,023 (92.4%)

36 (3.3%)

Square Root

430

772 (avg. 1.8)

401 (93.3%)

1 (0.2%)

Strain

390

720 (avg. 1.8)

365 (93.6%)

1 (0.3%)

Sum of Multiples

622

1,517 (avg. 2.4)

548 (88.1%)

8 (1.3%)

RNA Transcription

952

1,343 (avg. 1.4)

876 (92.0%)

32 (3.4%)

Twelve Days

321

705 (avg. 2.2)

287 (89.4%)

0 (0.0%)

Anagram

921

1,852 (avg. 2.0)

813 (88.3%)

35 (3.8%)

Pascal's Triangle

822

1,272 (avg. 1.5)

705 (85.8%)

24 (2.9%)

Perfect Numbers

312

749 (avg. 2.4)

291 (93.3%)

1 (0.3%)

ISBN Verifier

782

1,710 (avg. 2.2)

647 (82.7%)

32 (4.1%)

Binary Search Tree

717

1,369 (avg. 1.9)

487 (67.9%)

27 (3.8%)

Resistor Color

3,122

3,108 (avg. 1.0)

2,076 (66.5%)

76 (2.4%)

Collatz Conjecture

871

1,411 (avg. 1.6)

767 (88.1%)

25 (2.9%)

Reverse String

1,896

2,359 (avg. 1.2)

1,632 (86.1%)

49 (2.6%)

Resistor Color Duo

1,546

1,841 (avg. 1.2)

1,295 (83.8%)

34 (2.2%)

Resistor Color Trio

226

464 (avg. 2.1)

211 (93.4%)

0 (0.0%)

Bottle Song

228

557 (avg. 2.4)

213 (93.4%)

0 (0.0%)

Secret Handshake

648

988 (avg. 1.5)

540 (83.3%)

8 (1.2%)

Isogram

913

1,340 (avg. 1.5)

807 (88.4%)

10 (1.1%)

Nth Prime

613

1,285 (avg. 2.1)

514 (83.8%)

9 (1.5%)

Luhn

646

1,122 (avg. 1.7)

524 (81.1%)

10 (1.5%)

Allergies

572

962 (avg. 1.7)

465 (81.3%)

9 (1.6%)

Darts

595

852 (avg. 1.4)

509 (85.5%)

5 (0.8%)

Acronym

646

1,147 (avg. 1.8)

560 (86.7%)

7 (1.1%)

Phone Number

647

1,169 (avg. 1.8)

514 (79.4%)

6 (0.9%)

Triangle

529

903 (avg. 1.7)

468 (88.5%)

6 (1.1%)

Pangram

548

832 (avg. 1.5)

504 (92.0%)

6 (1.1%)

Prime Factors

555

866 (avg. 1.6)

485 (87.4%)

9 (1.6%)

Robot Simulator

474

866 (avg. 1.8)

355 (74.9%)

5 (1.1%)

Flower Field

128

245 (avg. 1.9)

112 (87.5%)

0 (0.0%)

Diamond

771

941 (avg. 1.2)

541 (70.2%)

21 (2.7%)

Matching Brackets

728

918 (avg. 1.3)

535 (73.5%)

15 (2.1%)

Queen Attack

147

360 (avg. 2.4)

131 (89.1%)

0 (0.0%)

Pig Latin

252

682 (avg. 2.7)

204 (81.0%)

3 (1.2%)

Roman Numerals

216

470 (avg. 2.2)

181 (83.8%)

2 (0.9%)

Binary Search

198

682 (avg. 3.4)

170 (85.9%)

1 (0.5%)

Protein Translation

175

585 (avg. 3.3)

154 (88.0%)

1 (0.6%)

Relative Distance

117

317 (avg. 2.7)

95 (81.2%)

0 (0.0%)

List Ops

149

446 (avg. 3.0)

113 (75.8%)

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

394 (avg. 2.9)

129 (93.5%)

1 (0.7%)

Run-Length Encoding

156

396 (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

439 (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

123 (avg. 4.2)

13 (44.8%)

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%)

60 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

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: 41356d005fcf21913e3ab3531e80bdac0d29e060 (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

230,323

Test Run Pass Rate

32.2% (74053)

Test Run Fail Rate

66.1% (152336)

Test Run Error Rate

1.7% (3934)

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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