Lua impact and status on Exercism

Lua

14,400 students

About Lua

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Practice

43 contributors

148 mentors

Lua Track Management

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

Students

14,400

Submissions

140,365

Mentoring Discussions

1,552

The Lua track needs attention ⚠️

Building

Lua syllabus

Learn More

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 10 concepts. Find out more.

3 concepts being taught

Basics

313 learnt

Numbers

182 learnt

Booleans

204 learnt

3 active learning exercises

Started

Attempts

Completions

Mentoring requests

Lasagna

471

2,657 (avg. 5.6)

313 (66.5%)

2 (0.4%)

cars-assemble

235

1,904 (avg. 8.1)

182 (77.4%)

0 (0.0%)

pacman-rules

226

1,137 (avg. 5.0)

204 (90.3%)

1 (0.4%)

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: da3e8426c61429e8f05fc48f242af6bc0d37e631 (Updates should be instant)

Next goal: Implement 131 practice exercises. Find out more.

97 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

11,208

36,956 (avg. 3.3)

7,220 (64.4%)

13 (0.1%)

Eliud's Eggs

890

3,755 (avg. 4.2)

361 (40.6%)

16 (1.8%)

Hamming

4,578

17,332 (avg. 3.8)

1,795 (39.2%)

385 (8.4%)

Armstrong Numbers

334

1,646 (avg. 4.9)

264 (79.0%)

9 (2.7%)

High Scores

296

2,312 (avg. 7.8)

144 (48.6%)

9 (3.0%)

House

2,257

7,863 (avg. 3.5)

774 (34.3%)

167 (7.4%)

Difference of Squares

1,223

3,900 (avg. 3.2)

907 (74.2%)

95 (7.8%)

Binary Search

685

5,490 (avg. 8.0)

420 (61.3%)

72 (10.5%)

Darts

159

396 (avg. 2.5)

126 (79.2%)

1 (0.6%)

Matrix

646

3,239 (avg. 5.0)

303 (46.9%)

60 (9.3%)

Isogram

559

2,615 (avg. 4.7)

384 (68.7%)

49 (8.8%)

Bank Account

589

3,911 (avg. 6.6)

293 (49.7%)

46 (7.8%)

Nth Prime

298

1,639 (avg. 5.5)

190 (63.8%)

25 (8.4%)

Diamond

219

889 (avg. 4.1)

146 (66.7%)

25 (11.4%)

Run-Length Encoding

312

1,607 (avg. 5.2)

231 (74.0%)

27 (8.7%)

Robot Name

221

725 (avg. 3.3)

140 (63.3%)

20 (9.0%)

Leap

615

2,428 (avg. 3.9)

494 (80.3%)

24 (3.9%)

Strain

117 (avg. 2.4)

41 (83.7%)

1 (2.0%)

Custom Set

172

1,401 (avg. 8.1)

101 (58.7%)

13 (7.6%)

Pig Latin

129

575 (avg. 4.5)

67 (51.9%)

8 (6.2%)

List Ops

147

330 (avg. 2.2)

91 (61.9%)

9 (6.1%)

Resistor Color

312 (avg. 4.2)

61 (81.3%)

2 (2.7%)

Square Root

123

260 (avg. 2.1)

99 (80.5%)

1 (0.8%)

Binary

262

1,332 (avg. 5.1)

187 (71.4%)

7 (2.7%)

Resistor Color Duo

168 (avg. 2.8)

51 (85.0%)

1 (1.7%)

Allergies

133

501 (avg. 3.8)

83 (62.4%)

8 (6.0%)

Resistor Color Trio

308

1,271 (avg. 4.1)

222 (72.1%)

5 (1.6%)

Nucleotide Count

347

1,572 (avg. 4.5)

215 (62.0%)

31 (8.9%)

Protein Translation

210

815 (avg. 3.9)

157 (74.8%)

11 (5.2%)

RNA Transcription

238

509 (avg. 2.1)

186 (78.2%)

16 (6.7%)

Scrabble Score

243

842 (avg. 3.5)

162 (66.7%)

10 (4.1%)

Food Chain

147

596 (avg. 4.1)

95 (64.6%)

1 (0.7%)

Sum of Multiples

201

466 (avg. 2.3)

117 (58.2%)

5 (2.5%)

Two Fer

129 (avg. 2.1)

53 (85.5%)

0 (0.0%)

Collatz Conjecture

237

1,167 (avg. 4.9)

182 (76.8%)

3 (1.3%)

Perfect Numbers

187

479 (avg. 2.6)

145 (77.5%)

9 (4.8%)

Pythagorean Triplet

158

460 (avg. 2.9)

87 (55.1%)

4 (2.5%)

Triangle

278

1,607 (avg. 5.8)

197 (70.9%)

7 (2.5%)

Largest Series Product

101

228 (avg. 2.3)

62 (61.4%)

7 (6.9%)

Change

106

351 (avg. 3.3)

56 (52.8%)

1 (0.9%)

Binary Search Tree

110

447 (avg. 4.1)

58 (52.7%)

4 (3.6%)

Flatten Array

263

731 (avg. 2.8)

211 (80.2%)

18 (6.8%)

Matching Brackets

165

557 (avg. 3.4)

121 (73.3%)

17 (10.3%)

POV

365 (avg. 3.8)

26 (27.1%)

0 (0.0%)

Minesweeper

255 (avg. 3.1)

39 (47.6%)

7 (8.5%)

OCR Numbers

203 (avg. 3.3)

29 (46.8%)

4 (6.5%)

Transpose

226 (avg. 3.3)

29 (42.6%)

2 (2.9%)

Word Search

280 (avg. 3.3)

35 (41.2%)

3 (3.5%)

Alphametics

460 (avg. 5.2)

20 (22.5%)

2 (2.2%)

React

104

454 (avg. 4.4)

27 (26.0%)

2 (1.9%)

Rectangles

264 (avg. 3.8)

20 (28.6%)

4 (5.7%)

Pangram

175

484 (avg. 2.8)

129 (73.7%)

11 (6.3%)

Word Count

224

804 (avg. 3.6)

140 (62.5%)

23 (10.3%)

Acronym

304 (avg. 3.1)

58 (58.6%)

4 (4.0%)

Anagram

193

551 (avg. 2.9)

141 (73.1%)

44 (22.8%)

Clock

141

532 (avg. 3.8)

61 (43.3%)

11 (7.8%)

Grade School

103

333 (avg. 3.2)

68 (66.0%)

5 (4.9%)

Prime Factors

167 (avg. 2.3)

44 (59.5%)

3 (4.1%)

Sieve

232 (avg. 2.8)

52 (63.4%)

4 (4.9%)

Pascal's Triangle

179 (avg. 2.3)

48 (60.8%)

0 (0.0%)

Atbash Cipher

514 (avg. 5.4)

54 (56.8%)

4 (4.2%)

ISBN Verifier

308 (avg. 3.3)

54 (58.1%)

2 (2.2%)

Luhn

100

281 (avg. 2.8)

62 (62.0%)

2 (2.0%)

Crypto Square

328 (avg. 5.1)

35 (54.7%)

2 (3.1%)

Variable Length Quantity

125

291 (avg. 2.3)

73 (58.4%)

2 (1.6%)

Rail Fence Cipher

220 (avg. 3.5)

25 (40.3%)

0 (0.0%)

Robot Simulator

123

407 (avg. 3.3)

61 (49.6%)

3 (2.4%)

Raindrops

346

685 (avg. 2.0)

268 (77.5%)

31 (9.0%)

Gigasecond

108

141 (avg. 1.3)

68 (63.0%)

0 (0.0%)

Grains

174

615 (avg. 3.5)

137 (78.7%)

3 (1.7%)

Space Age

115

625 (avg. 5.4)

61 (53.0%)

6 (5.2%)

Bob

311

780 (avg. 2.5)

234 (75.2%)

32 (10.3%)

Dnd Character

139

857 (avg. 6.2)

123 (88.5%)

3 (2.2%)

Secret Handshake

234 (avg. 3.0)

40 (51.9%)

1 (1.3%)

Roman Numerals

124 (avg. 1.5)

47 (56.0%)

2 (2.4%)

Rational Numbers

145 (avg. 2.8)

24 (47.1%)

1 (2.0%)

Circular Buffer

253 (avg. 3.1)

45 (54.9%)

7 (8.5%)

Linked List

479 (avg. 5.8)

43 (51.8%)

4 (4.8%)

Meetup

158 (avg. 3.0)

22 (42.3%)

1 (1.9%)

Say

224 (avg. 4.1)

20 (36.4%)

1 (1.8%)

Bottle Song

92 (avg. 3.4)

17 (63.0%)

0 (0.0%)

ETL

108

198 (avg. 1.8)

78 (72.2%)

2 (1.9%)

Queen Attack

194

1,109 (avg. 5.7)

134 (69.1%)

5 (2.6%)

Reverse String

213

490 (avg. 2.3)

150 (70.4%)

2 (0.9%)

Series

224 (avg. 3.3)

38 (56.7%)

5 (7.5%)

Sublist

141 (avg. 2.0)

41 (57.7%)

3 (4.2%)

All Your Base

179

1,152 (avg. 6.4)

129 (72.1%)

4 (2.2%)

Octal

139

320 (avg. 2.3)

107 (77.0%)

17 (12.2%)

Phone Number

186

814 (avg. 4.4)

84 (45.2%)

7 (3.8%)

Bowling

409 (avg. 6.0)

22 (32.4%)

2 (2.9%)

Spiral Matrix

27 (avg. 2.5)

9 (81.8%)

0 (0.0%)

Kindergarten Garden

205 (avg. 2.9)

35 (50.0%)

2 (2.9%)

Two Bucket

105 (avg. 5.5)

10 (52.6%)

0 (0.0%)

Tournament

299 (avg. 3.5)

25 (29.1%)

1 (1.2%)

Knapsack

82 (avg. 6.8)

9 (75.0%)

0 (0.0%)

Rotational Cipher

119 (avg. 6.6)

15 (83.3%)

0 (0.0%)

Yacht

171 (avg. 12.2)

11 (78.6%)

0 (0.0%)

2 deprecated practice exercises

Started

Attempts

Completions

Mentoring requests

Accumulate

102

161 (avg. 1.6)

102 (100.0%)

33 (32.4%)

Beer Song

202

861 (avg. 4.3)

129 (63.9%)

12 (5.9%)

34 unimplemented practice exercises

Affine Cipher

Book Store

Complex Numbers

Connect

Conway's Game of Life

Dominoes

DOT DSL

Error Handling

Forth

Go Counting

Grep

Hangman

Killer Sudoku Helper

Ledger

Lens Person

Markdown

Micro Blog

PaaS I/O

Palindrome Products

Parallel Letter Frequency

Poker

Proverb

REST API

Saddle Points

Satellite

SGF Parsing

Simple Cipher

Simple Linked List

State of Tic-Tac-Toe

Tree Building

Twelve Days

Wordy

Zebra Puzzle

Zipper

Programming Tags

Learn More

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: b217b1955d224b41b353981ddf0adee24be16298 (Takes up to 10 mins to deploy)

Next goal: Get Test Runners to Version 3. Lua is currently utilising a Version 2 Test Runner. Find out more.

Total Test Runner Runs

136,072

Test Run Pass Rate

19.9% (27146)

Test Run Fail Rate

49.0% (66661)

Test Run Error Rate

31.1% (42265)

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 Lua: 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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