Clojure impact and status on Exercism

Clojure

17,428 students

About Clojure

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137 contributors

280 mentors

Clojure Track Management

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

Students

17,429

Submissions

453,420

Mentoring Discussions

7,529

The Clojure track needs attention ⚠️

Building

Clojure 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 20 concepts. Find out more.

12 concepts being taught

Basics

6,274 learnt

Vectors

2,804 learnt

Conditionals

3,680 learnt

Numbers

3,680 learnt

Floating-point Numbers

1,534 learnt

Booleans

1,982 learnt

Strings

1,973 learnt

Sequential Destructuring

1,034 learnt

Chars

451 learnt

Atoms

320 learnt

Closures

320 learnt

Lists

361 learnt

10 active learning exercises

Started

Attempts

Completions

Mentoring requests

Lucian's Luscious Lasagna

7,137

24,176 (avg. 3.4)

6,274 (87.9%)

43 (0.6%)

Bird Watcher

3,475

40,618 (avg. 11.7)

2,804 (80.7%)

127 (3.7%)

Cars, Assemble!

4,122

32,273 (avg. 7.8)

3,680 (89.3%)

93 (2.3%)

Interest is Interesting

1,940

30,119 (avg. 15.5)

1,534 (79.1%)

50 (2.6%)

Annalyn's Infiltration

2,163

14,474 (avg. 6.7)

1,982 (91.6%)

25 (1.2%)

Log Levels

2,282

21,157 (avg. 9.3)

1,973 (86.5%)

42 (1.8%)

Elyses Destructured Enchantments

1,122

13,172 (avg. 11.7)

1,034 (92.2%)

32 (2.9%)

Squeaky Clean

670

10,887 (avg. 16.2)

451 (67.3%)

22 (3.3%)

Coordinate Transformation

466

4,416 (avg. 9.5)

320 (68.7%)

16 (3.4%)

Card Games

466

6,221 (avg. 13.3)

361 (77.5%)

19 (4.1%)

1 deprecated learning exercises

Started

Attempts

Completions

Mentoring requests

Tracks on Tracks on Tracks

3,685

37,057 (avg. 10.1)

3,153 (85.6%)

70 (1.9%)

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: aec57b534cd7d692047dc7b23248fc9e6c3862d3 (Updates should be instant)

Next goal: Implement 130 practice exercises. Find out more.

87 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

13,620

21,513 (avg. 1.6)

11,931 (87.6%)

9 (0.1%)

Two Fer

3,249

7,945 (avg. 2.4)

2,827 (87.0%)

952 (29.3%)

Armstrong Numbers

3,811

15,370 (avg. 4.0)

2,428 (63.7%)

946 (24.8%)

Reverse String

2,586

5,380 (avg. 2.1)

2,180 (84.3%)

692 (26.8%)

Acronym

840

6,989 (avg. 8.3)

695 (82.7%)

20 (2.4%)

All Your Base

845

5,396 (avg. 6.4)

515 (60.9%)

30 (3.6%)

Anagram

1,852

5,747 (avg. 3.1)

1,709 (92.3%)

289 (15.6%)

Bob

3,751

15,612 (avg. 4.2)

3,272 (87.2%)

945 (25.2%)

Collatz Conjecture

1,478

4,470 (avg. 3.0)

1,251 (84.6%)

128 (8.7%)

Complex Numbers

734

3,067 (avg. 4.2)

591 (80.5%)

23 (3.1%)

Eliud's Eggs

103 (avg. 2.3)

39 (88.6%)

1 (2.3%)

ETL

914

2,511 (avg. 2.7)

780 (85.3%)

36 (3.9%)

Hamming

1,365

3,504 (avg. 2.6)

1,257 (92.1%)

113 (8.3%)

Nth Prime

558

3,138 (avg. 5.6)

392 (70.3%)

12 (2.2%)

Nucleotide Count

1,354

3,857 (avg. 2.8)

1,186 (87.6%)

122 (9.0%)

Pangram

533

1,901 (avg. 3.6)

475 (89.1%)

16 (3.0%)

Pig Latin

391

2,641 (avg. 6.8)

261 (66.8%)

14 (3.6%)

Protein Translation

480

2,105 (avg. 4.4)

396 (82.5%)

19 (4.0%)

Raindrops

809

2,915 (avg. 3.6)

733 (90.6%)

31 (3.8%)

RNA Transcription

2,470

5,973 (avg. 2.4)

2,317 (93.8%)

579 (23.4%)

Robot Name

937

4,291 (avg. 4.6)

777 (82.9%)

76 (8.1%)

Roman Numerals

481

1,237 (avg. 2.6)

413 (85.9%)

15 (3.1%)

Rotational Cipher

312

1,252 (avg. 4.0)

251 (80.4%)

6 (1.9%)

Run-Length Encoding

1,069

2,690 (avg. 2.5)

777 (72.7%)

306 (28.6%)

Scrabble Score

511

1,183 (avg. 2.3)

463 (90.6%)

17 (3.3%)

Secret Handshake

264

610 (avg. 2.3)

216 (81.8%)

4 (1.5%)

Series

784

1,538 (avg. 2.0)

636 (81.1%)

71 (9.1%)

Space Age

733

2,486 (avg. 3.4)

662 (90.3%)

24 (3.3%)

Strain

384

839 (avg. 2.2)

332 (86.5%)

9 (2.3%)

Sublist

2,131

10,178 (avg. 4.8)

1,268 (59.5%)

77 (3.6%)

Sum of Multiples

370

940 (avg. 2.5)

310 (83.8%)

7 (1.9%)

High Scores

9 (avg. 2.3)

4 (100.0%)

0 (0.0%)

Triangle

731

3,369 (avg. 4.6)

664 (90.8%)

26 (3.6%)

Resistor Color

18 (avg. 3.6)

5 (100.0%)

0 (0.0%)

Word Count

1,732

3,715 (avg. 2.1)

1,619 (93.5%)

339 (19.6%)

Darts

27 (avg. 3.9)

7 (100.0%)

0 (0.0%)

Atbash Cipher

363

1,191 (avg. 3.3)

312 (86.0%)

5 (1.4%)

Beer Song

1,546

3,461 (avg. 2.2)

1,254 (81.1%)

158 (10.2%)

Binary Search

588

2,246 (avg. 3.8)

462 (78.6%)

28 (4.8%)

Binary Search Tree

355

1,172 (avg. 3.3)

241 (67.9%)

4 (1.1%)

Change

250

1,002 (avg. 4.0)

138 (55.2%)

6 (2.4%)

Flatten Array

629

1,670 (avg. 2.7)

509 (80.9%)

14 (2.2%)

Gigasecond

446

1,141 (avg. 2.6)

362 (81.2%)

15 (3.4%)

Grade School

769

1,852 (avg. 2.4)

695 (90.4%)

57 (7.4%)

Grains

500

1,513 (avg. 3.0)

444 (88.8%)

20 (4.0%)

ISBN Verifier

743

1,893 (avg. 2.5)

583 (78.5%)

211 (28.4%)

Isogram

342

994 (avg. 2.9)

284 (83.0%)

6 (1.8%)

Kindergarten Garden

273

744 (avg. 2.7)

212 (77.7%)

6 (2.2%)

Leap

1,851

6,561 (avg. 3.5)

1,680 (90.8%)

74 (4.0%)

Pascal's Triangle

308

776 (avg. 2.5)

232 (75.3%)

5 (1.6%)

Perfect Numbers

404

775 (avg. 1.9)

349 (86.4%)

12 (3.0%)

Phone Number

943

2,491 (avg. 2.6)

816 (86.5%)

82 (8.7%)

Prime Factors

346

880 (avg. 2.5)

285 (82.4%)

12 (3.5%)

Resistor Color Duo

12 (avg. 4.0)

1 (33.3%)

0 (0.0%)

Proverb

191

498 (avg. 2.6)

140 (73.3%)

3 (1.6%)

Square Root

22 (avg. 3.7)

5 (83.3%)

0 (0.0%)

Say

590

2,449 (avg. 4.2)

339 (57.5%)

100 (16.9%)

Allergies

458

1,208 (avg. 2.6)

351 (76.6%)

9 (2.0%)

Crypto Square

325

1,482 (avg. 4.6)

229 (70.5%)

3 (0.9%)

Difference of Squares

540

1,765 (avg. 3.3)

472 (87.4%)

7 (1.3%)

Dominoes

192

625 (avg. 3.3)

97 (50.5%)

5 (2.6%)

Largest Series Product

293

829 (avg. 2.8)

240 (81.9%)

5 (1.7%)

Matrix

15 (avg. 3.0)

3 (60.0%)

0 (0.0%)

Meetup

437

877 (avg. 2.0)

340 (77.8%)

20 (4.6%)

Simple Cipher

5 (avg. 1.7)

1 (33.3%)

0 (0.0%)

Twelve Days

49 (avg. 12.3)

2 (50.0%)

0 (0.0%)

Spiral Matrix

268

426 (avg. 1.6)

146 (54.5%)

7 (2.6%)

Saddle Points

72 (avg. 12.0)

4 (66.7%)

0 (0.0%)

Clock

586

1,092 (avg. 1.9)

427 (72.9%)

39 (6.7%)

List Ops

66 (avg. 6.0)

9 (81.8%)

0 (0.0%)

Diamond

179

482 (avg. 2.7)

118 (65.9%)

4 (2.2%)

Luhn

304

827 (avg. 2.7)

230 (75.7%)

4 (1.3%)

Sieve

275

545 (avg. 2.0)

210 (76.4%)

12 (4.4%)

Pythagorean Triplet

16 (avg. 2.3)

4 (57.1%)

0 (0.0%)

Robot Simulator

949

5,836 (avg. 6.1)

567 (59.7%)

43 (4.5%)

Transpose

35 (avg. 8.8)

2 (50.0%)

0 (0.0%)

Wordy

248

936 (avg. 3.8)

162 (65.3%)

7 (2.8%)

Bank Account

432

1,029 (avg. 2.4)

330 (76.4%)

12 (2.8%)

Matching Brackets

359

1,562 (avg. 4.4)

284 (79.1%)

13 (3.6%)

Minesweeper

209

593 (avg. 2.8)

132 (63.2%)

3 (1.4%)

Poker

182

615 (avg. 3.4)

77 (42.3%)

8 (4.4%)

Queen Attack

281

742 (avg. 2.6)

212 (75.4%)

10 (3.6%)

Zebra Puzzle

1 (avg. 0.3)

1 (25.0%)

0 (0.0%)

Go Counting

150

460 (avg. 3.1)

54 (36.0%)

5 (3.3%)

POV

225

377 (avg. 1.7)

94 (41.8%)

0 (0.0%)

Yacht

111

1,037 (avg. 9.3)

87 (78.4%)

3 (2.7%)

Zipper

149 (avg. 2.9)

26 (51.0%)

1 (2.0%)

5 deprecated practice exercises

Started

Attempts

Completions

Mentoring requests

Accumulate

970

3,480 (avg. 3.6)

829 (85.5%)

26 (2.7%)

Binary

441

1,157 (avg. 2.6)

387 (87.8%)

12 (2.7%)

Hexadecimal

283

650 (avg. 2.3)

232 (82.0%)

8 (2.8%)

Octal

374

1,245 (avg. 3.3)

314 (84.0%)

12 (3.2%)

Trinary

323

700 (avg. 2.2)

280 (86.7%)

11 (3.4%)

43 unimplemented practice exercises

Affine Cipher

Alphametics

Book Store

Bottle Song

Bowling

Circular Buffer

Connect

Conway's Game of Life

Custom Set

D&D Character

DOT DSL

Error Handling

Food Chain

Forth

Grep

Hangman

House

Killer Sudoku Helper

Knapsack

Ledger

Lens Person

Linked List

Markdown

Micro Blog

OCR Numbers

PaaS I/O

Palindrome Products

Parallel Letter Frequency

Rail Fence Cipher

Rational Numbers

React

Rectangles

Resistor Color Trio

REST API

Satellite

SGF Parsing

Simple Linked List

State of Tic-Tac-Toe

Tournament

Tree Building

Two Bucket

Variable Length Quantity

View data

Word Search

View data

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: 33d0f8d3ae29f3ddd682546cc7721b69fe6b7166 (Takes up to 10 mins to deploy)

Total Test Runner Runs

417,762

Test Run Pass Rate

23.0% (95958)

Test Run Fail Rate

58.6% (244783)

Test Run Error Rate

18.4% (77021)

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: 7d314c84d7d61367ec621db7a38b681e26e06832 (Takes up to 10 mins to deploy)

Total Representer Runs

100,474

Total Representation Comments Made

11,765

Feedback Given Frequency

11.7%

Analyzer

Learn More

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

Next goal: Build an Analyzer. Find out more.

Volunteers

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9,071

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4,454

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3,007

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The Clojure track needs attention ⚠️

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