Elm impact and status on Exercism

Elm syllabus

Help create the track syllabus: is a set of concepts and learning exercises put together to teach foundational elements of the programming language.

Next goal: Create a complete syllabus with at least 30 concepts. Find out more.

23 concepts being taught

Ba

Basics 1

1,543 learnt

Ba

Basics 2

1,274 learnt

Bo

Booleans

906 learnt

Li

Lists

920 learnt

Re

Records

700 learnt

Cu

Custom Types

776 learnt

Tu

Tuples

389 learnt

Ma

Maybe

553 learnt

Re

Result

277 learnt

Pa

Pattern Matching

236 learnt

Le

Let

684 learnt

Di

Dict

185 learnt

Pa

Parsing

87 learnt

Pa

Partial Application and Function Composition

281 learnt

Co

Comparison

151 learnt

Se

Set

104 learnt

Ge

Generics

104 learnt

Op

Opaque Types

93 learnt

Ph

Phantom Types

66 learnt

Ar

Arrays

133 learnt

Ra

Random

43 learnt

St

Strings

137 learnt

JS

JSON

10 learnt

23 active learning exercises

Started

Attempts

Completions

Mentoring requests

Lucian's Luscious Lasagna

1,743

6,070 (avg. 3.5)

1,543 (88.5%)

17 (1.0%)

Betty's Bike Shop

1,365

8,238 (avg. 6.0)

1,274 (93.3%)

10 (0.7%)

Annalyn's Infiltration

984

7,296 (avg. 7.4)

906 (92.1%)

8 (0.8%)

Tracks on Tracks on Tracks

1,018

13,668 (avg. 13.4)

920 (90.4%)

21 (2.1%)

Bandwagoner

767

5,619 (avg. 7.3)

700 (91.3%)

9 (1.2%)

Valentines Day

805

3,745 (avg. 4.7)

776 (96.4%)

3 (0.4%)

Tisbury Treasure Hunt

448

5,468 (avg. 12.2)

389 (86.8%)

5 (1.1%)

Role Playing Game

592

9,102 (avg. 15.4)

553 (93.4%)

8 (1.4%)

Go

340

2,726 (avg. 8.0)

277 (81.5%)

5 (1.5%)

Ticket, Please!

266

4,323 (avg. 16.3)

236 (88.7%)

3 (1.1%)

Mario's marvellous lasagna

723

2,282 (avg. 3.2)

684 (94.6%)

1 (0.1%)

Top Scorers

236

4,779 (avg. 20.3)

185 (78.4%)

2 (0.8%)

Paola's Prestigious Pizza

119

3,108 (avg. 26.1)

87 (73.1%)

4 (3.4%)

Monster Attack

312

3,285 (avg. 10.5)

281 (90.1%)

5 (1.6%)

Blorkemon Cards

166

1,912 (avg. 11.5)

151 (91.0%)

1 (0.6%)

Gotta Snatch'Em All

109

1,833 (avg. 16.8)

104 (95.4%)

1 (0.9%)

Treasure Chest

107

768 (avg. 7.2)

104 (97.2%)

1 (0.9%)

Secure Treasure Chest

95

517 (avg. 5.4)

93 (97.9%)

2 (2.1%)

Treasure Factory

86

1,157 (avg. 13.5)

66 (76.7%)

7 (8.1%)

Magician in training

147

1,381 (avg. 9.4)

133 (90.5%)

3 (2.0%)

Maze Maker

55

460 (avg. 8.4)

43 (78.2%)

2 (3.6%)

Squeaky Clean

159

3,416 (avg. 21.5)

137 (86.2%)

7 (4.4%)

GitHup API

11

210 (avg. 19.1)

10 (90.9%)

0 (0.0%)

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: 3dcbf7f68e5a53a506173e1acedabf68e3b6238e (Updates should be instant)

Next goal: Implement 127 practice exercises. Find out more.

71 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

4,892

6,237 (avg. 1.3)

4,303 (88.0%)

5 (0.1%)

Two Fer

1,294

2,602 (avg. 2.0)

1,005 (77.7%)

560 (43.3%)

Bob

1,788

6,241 (avg. 3.5)

1,413 (79.0%)

359 (20.1%)

Leap

1,264

2,978 (avg. 2.4)

1,161 (91.9%)

178 (14.1%)

Space Age

725

1,540 (avg. 2.1)

652 (89.9%)

131 (18.1%)

Sum of Multiples

597

2,760 (avg. 4.6)

505 (84.6%)

104 (17.4%)

Grade School

387

2,936 (avg. 7.6)

332 (85.8%)

77 (19.9%)

Eliud's Eggs

277

2,058 (avg. 7.4)

190 (68.6%)

11 (4.0%)

Raindrops

825

2,312 (avg. 2.8)

789 (95.6%)

82 (9.9%)

Reverse String

52

112 (avg. 2.2)

47 (90.4%)

0 (0.0%)

Robot Simulator

318

1,922 (avg. 6.0)

262 (82.4%)

39 (12.3%)

Allergies

422

2,437 (avg. 5.8)

349 (82.7%)

43 (10.2%)

Hamming

538

1,445 (avg. 2.7)

468 (87.0%)

22 (4.1%)

Pangram

797

2,127 (avg. 2.7)

733 (92.0%)

40 (5.0%)

Isogram

308

1,503 (avg. 4.9)

260 (84.4%)

14 (4.5%)

Phone Number

373

1,960 (avg. 5.3)

276 (74.0%)

14 (3.8%)

Twelve Days

508

1,446 (avg. 2.8)

328 (64.6%)

93 (18.3%)

Acronym

226

700 (avg. 3.1)

183 (81.0%)

5 (2.2%)

Anagram

550

1,753 (avg. 3.2)

493 (89.6%)

32 (5.8%)

Series

256

1,202 (avg. 4.7)

211 (82.4%)

5 (2.0%)

Atbash Cipher

213

1,121 (avg. 5.3)

180 (84.5%)

3 (1.4%)

Luhn

189

1,159 (avg. 6.1)

132 (69.8%)

3 (1.6%)

Grains

266

660 (avg. 2.5)

223 (83.8%)

3 (1.1%)

All Your Base

163

824 (avg. 5.1)

110 (67.5%)

5 (3.1%)

Largest Series Product

212

1,595 (avg. 7.5)

167 (78.8%)

5 (2.4%)

Triangle

579

1,355 (avg. 2.3)

545 (94.1%)

44 (7.6%)

Pythagorean Triplet

97

759 (avg. 7.8)

61 (62.9%)

1 (1.0%)

Collatz Conjecture

303

596 (avg. 2.0)

237 (78.2%)

3 (1.0%)

Binary Search

227

1,669 (avg. 7.4)

164 (72.2%)

10 (4.4%)

List Ops

244

1,097 (avg. 4.5)

206 (84.4%)

8 (3.3%)

Pascal's Triangle

159

396 (avg. 2.5)

111 (69.8%)

4 (2.5%)

Roman Numerals

158

406 (avg. 2.6)

120 (75.9%)

3 (1.9%)

ETL

278

432 (avg. 1.6)

203 (73.0%)

3 (1.1%)

Nucleotide Count

315

677 (avg. 2.1)

267 (84.8%)

6 (1.9%)

Word Count

391

1,160 (avg. 3.0)

338 (86.4%)

12 (3.1%)

Strain

443

702 (avg. 1.6)

391 (88.3%)

13 (2.9%)

Say

146

1,236 (avg. 8.5)

102 (69.9%)

3 (2.1%)

Wordy

69

799 (avg. 11.6)

52 (75.4%)

6 (8.7%)

Difference of Squares

750

1,083 (avg. 1.4)

616 (82.1%)

21 (2.8%)

Gigasecond

445

637 (avg. 1.4)

335 (75.3%)

10 (2.2%)

RNA Transcription

632

1,783 (avg. 2.8)

521 (82.4%)

22 (3.5%)

Armstrong Numbers

168

665 (avg. 4.0)

143 (85.1%)

3 (1.8%)

Scrabble Score

449

830 (avg. 1.8)

400 (89.1%)

32 (7.1%)

Run-Length Encoding

334

1,492 (avg. 4.5)

273 (81.7%)

13 (3.9%)

Transpose

135

796 (avg. 5.9)

81 (60.0%)

2 (1.5%)

Matching Brackets

151

724 (avg. 4.8)

112 (74.2%)

6 (4.0%)

Sublist

257

939 (avg. 3.7)

210 (81.7%)

7 (2.7%)

Bowling

47

748 (avg. 15.9)

23 (48.9%)

0 (0.0%)

Complex Numbers

333

3,592 (avg. 10.8)

221 (66.4%)

4 (1.2%)

SGF Parsing

24

818 (avg. 34.1)

17 (70.8%)

1 (4.2%)

Circular Buffer

54

785 (avg. 14.5)

41 (75.9%)

2 (3.7%)

Custom Set

37

381 (avg. 10.3)

29 (78.4%)

0 (0.0%)

Two Bucket

75

828 (avg. 11.0)

59 (78.7%)

1 (1.3%)

Zebra Puzzle

60

584 (avg. 9.7)

18 (30.0%)

3 (5.0%)

Binary Search Tree

39

188 (avg. 4.8)

33 (84.6%)

2 (5.1%)

D&D Character

23

187 (avg. 8.1)

20 (87.0%)

0 (0.0%)

Simple Cipher

15

118 (avg. 7.9)

15 (100.0%)

0 (0.0%)

REST API

18

218 (avg. 12.1)

10 (55.6%)

0 (0.0%)

Minesweeper

14

181 (avg. 12.9)

11 (78.6%)

0 (0.0%)

Protein Translation

22

232 (avg. 10.5)

16 (72.7%)

1 (4.5%)

Yacht

19

146 (avg. 7.7)

14 (73.7%)

1 (5.3%)

Secret Handshake

8

38 (avg. 4.8)

7 (87.5%)

0 (0.0%)

Sieve

21

107 (avg. 5.1)

16 (76.2%)

1 (4.8%)

Pig Latin

9

51 (avg. 5.7)

7 (77.8%)

1 (11.1%)

Meetup

10

78 (avg. 7.8)

8 (80.0%)

0 (0.0%)

Diamond

13

187 (avg. 14.4)

9 (69.2%)

1 (7.7%)

Spiral Matrix

9

88 (avg. 9.8)

8 (88.9%)

0 (0.0%)

Food Chain

5

70 (avg. 14.0)

5 (100.0%)

0 (0.0%)

Knapsack

10

49 (avg. 4.9)

7 (70.0%)

0 (0.0%)

Kindergarten Garden

10

36 (avg. 3.6)

9 (90.0%)

0 (0.0%)

Rotational Cipher

10

34 (avg. 3.4)

9 (90.0%)

1 (10.0%)

1 deprecated practice exercises

Started

Attempts

Completions

Mentoring requests

Accumulate

713

1,332 (avg. 1.9)

669 (93.8%)

83 (11.6%)

56 unimplemented practice exercises

Affine Cipher

Alphametics

Book Store

Bottle Song

Change

Clock

Connect

Conway's Game of Life

Crypto Square

Darts

Dominoes

DOT DSL

Error Handling

Flatten Array

Forth

Go Counting

Grep

Hangman

High Scores

House

ISBN Verifier

Killer Sudoku Helper

Ledger

Lens Person

Linked List

Markdown

Matrix

Micro Blog

Nth Prime

OCR Numbers

PaaS I/O

Palindrome Products

Perfect Numbers

Poker

POV

Prime Factors

Proverb

Queen Attack

Rail Fence Cipher

Rational Numbers

React

Rectangles

Resistor Color

Resistor Color Duo

Resistor Color Trio

Robot Name

Saddle Points

Satellite

Simple Linked List

Square Root

State of Tic-Tac-Toe

Tournament

Tree Building

Variable Length Quantity

View data

Word Search

View data

Zipper

View data

2 foregone practice exercises

Bank Account

View data

Parallel Letter Frequency

View data

Programming Tags

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

0 tags

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: 8262e8e15c86773353e61a969e9ffaa7af53dc3c (Takes up to 10 mins to deploy)

Total Test Runner Runs

165,843

Test Run Pass Rate

18.6% (30887)

Test Run Fail Rate

29.9% (49518)

Test Run Error Rate

51.5% (85438)

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.

Current version: 0f3b69da289139d7d1ebe72a2717e9a0e67168f4 (Takes up to 10 mins to deploy)

Total Representer Runs

42,495

Total Representation Comments Made

0

Feedback Given Frequency

0.0%

Analyzer

Learn More

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

Current version: adc6943081f7de1acc6c7221522c97f75a095273 (Takes up to 10 mins to deploy)

Total Analyzer Runs

35,069

Total Analysis Comments Made

13,855

Feedback Given Frequency

2.8%

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