Clojure

13,788 students

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Syllabus

Exercises

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121 contributors

240 mentors

13,787
students have developed their Clojure skills on Exercism.

Students

13,787

Submissions

288,131

Mentoring Discussions

7,028

The Clojure track needs attention ⚠️

Building

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Use your knowledge to build the Clojure track itself

121 contributors

Create the Clojure syllabus

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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.

Usage statistics

10 concepts being taught

Basics

3,834 learnt

Lists

2,795 learnt

Vectors

1,662 learnt

Conditionals

1,977 learnt

Numbers

1,977 learnt

Floating-point Numbers

907 learnt

Booleans

1,141 learnt

Strings

1,134 learnt

Sequential Destructuring

702 learnt

Chars

43 learnt

9 active learning exercises

Started

Attempts

Completions

Mentoring requests

Lucian's Luscious Lasagna

4,380

14,751 (avg. 3.4)

3,834 (87.5%)

20 (0.5%)

Tracks on Tracks on Tracks

3,289

32,729 (avg. 10.0)

2,795 (85.0%)

56 (1.7%)

Bird Watcher

2,031

22,994 (avg. 11.3)

1,662 (81.8%)

66 (3.2%)

Cars, Assemble!

2,181

15,760 (avg. 7.2)

1,977 (90.6%)

31 (1.4%)

Interest is Interesting

1,142

16,177 (avg. 14.2)

907 (79.4%)

26 (2.3%)

Annalyn's Infiltration

1,242

7,465 (avg. 6.0)

1,141 (91.9%)

7 (0.6%)

Log Levels

1,298

11,129 (avg. 8.6)

1,134 (87.4%)

16 (1.2%)

Elyses Destructured Enchantments

760

9,046 (avg. 11.9)

702 (92.4%)

21 (2.8%)

Squeaky Clean

1,107 (avg. 17.3)

43 (67.2%)

1 (1.6%)

Build Test Runners

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Create Test Runners that have the single responsibility of taking a solution, running all tests and returning a standardized output.

Usage statistics

Total Test Runner Runs

242,014

Test Run Pass Rate

26.5% (64065)

Test Run Fail Rate

55.9% (135257)

Test Run Error Rate

17.6% (42692)

Build Analyzers

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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.

Build Representers

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Build a Representer: a bit of code that has the single responsibility of taking a solution and returning a normalized representation of it.

Usage statistics

Total Representer Runs

26,763

Total Representation Comments Made

2,618

Feedback Given Frequency

9.8%

Create Practice Exercises

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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.

Next goal: Implement 134 practice exercises. Find out more.

Usage statistics

78 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

9,716

15,311 (avg. 1.6)

8,664 (89.2%)

9 (0.1%)

Two Fer

2,864

6,167 (avg. 2.2)

2,466 (86.1%)

942 (32.9%)

Armstrong Numbers

3,173

11,050 (avg. 3.5)

2,029 (63.9%)

912 (28.7%)

Reverse String

2,293

4,513 (avg. 2.0)

1,912 (83.4%)

686 (29.9%)

Accumulate

728

2,426 (avg. 3.3)

619 (85.0%)

19 (2.6%)

Acronym

608

5,042 (avg. 8.3)

503 (82.7%)

16 (2.6%)

All Your Base

580

3,836 (avg. 6.6)

372 (64.1%)

23 (4.0%)

Anagram

1,677

4,891 (avg. 2.9)

1,558 (92.9%)

284 (16.9%)

Bob

3,434

11,790 (avg. 3.4)

3,008 (87.6%)

937 (27.3%)

Collatz Conjecture

1,204

3,110 (avg. 2.6)

1,018 (84.6%)

119 (9.9%)

Complex Numbers

572

2,339 (avg. 4.1)

466 (81.5%)

21 (3.7%)

ETL

791

1,917 (avg. 2.4)

678 (85.7%)

33 (4.2%)

Hamming

1,215

2,884 (avg. 2.4)

1,116 (91.9%)

109 (9.0%)

Nth Prime

390

1,919 (avg. 4.9)

279 (71.5%)

7 (1.8%)

Nucleotide Count

1,234

3,044 (avg. 2.5)

1,084 (87.8%)

119 (9.6%)

Pangram

384

1,282 (avg. 3.3)

339 (88.3%)

11 (2.9%)

Pig Latin

278

1,759 (avg. 6.3)

185 (66.5%)

9 (3.2%)

Protein Translation

331

1,339 (avg. 4.0)

266 (80.4%)

16 (4.8%)

Raindrops

557

1,581 (avg. 2.8)

504 (90.5%)

23 (4.1%)

RNA Transcription

2,370

5,512 (avg. 2.3)

2,224 (93.8%)

577 (24.3%)

Robot Name

789

2,777 (avg. 3.5)

662 (83.9%)

73 (9.3%)

Roman Numerals

390

886 (avg. 2.3)

337 (86.4%)

13 (3.3%)

Rotational Cipher

233

858 (avg. 3.7)

182 (78.1%)

5 (2.1%)

Run-Length Encoding

991

2,282 (avg. 2.3)

712 (71.8%)

303 (30.6%)

Scrabble Score

431

939 (avg. 2.2)

393 (91.2%)

15 (3.5%)

Secret Handshake

198

379 (avg. 1.9)

157 (79.3%)

4 (2.0%)

Series

711

1,282 (avg. 1.8)

576 (81.0%)

71 (10.0%)

Space Age

534

1,500 (avg. 2.8)

478 (89.5%)

18 (3.4%)

Strain

311

585 (avg. 1.9)

271 (87.1%)

9 (2.9%)

Sublist

1,852

8,581 (avg. 4.6)

1,071 (57.8%)

72 (3.9%)

Sum of Multiples

285

601 (avg. 2.1)

245 (86.0%)

4 (1.4%)

Triangle

565

2,084 (avg. 3.7)

508 (89.9%)

22 (3.9%)

Word Count

1,667

3,504 (avg. 2.1)

1,565 (93.9%)

338 (20.3%)

Atbash Cipher

290

735 (avg. 2.5)

256 (88.3%)

5 (1.7%)

Beer Song

1,484

2,931 (avg. 2.0)

1,201 (80.9%)

158 (10.6%)

Binary

378

861 (avg. 2.3)

337 (89.2%)

12 (3.2%)

Binary Search

485

1,400 (avg. 2.9)

391 (80.6%)

25 (5.2%)

Binary Search Tree

268

714 (avg. 2.7)

184 (68.7%)

4 (1.5%)

Change

187

407 (avg. 2.2)

103 (55.1%)

4 (2.1%)

Flatten Array

524

1,111 (avg. 2.1)

425 (81.1%)

13 (2.5%)

Gigasecond

382

886 (avg. 2.3)

322 (84.3%)

15 (3.9%)

Grade School

714

1,541 (avg. 2.2)

649 (90.9%)

57 (8.0%)

Grains

433

1,074 (avg. 2.5)

391 (90.3%)

18 (4.2%)

Hexadecimal

237

446 (avg. 1.9)

200 (84.4%)

8 (3.4%)

ISBN Verifier

688

1,582 (avg. 2.3)

537 (78.1%)

211 (30.7%)

Isogram

265

709 (avg. 2.7)

215 (81.1%)

5 (1.9%)

Kindergarten Garden

220

433 (avg. 2.0)

175 (79.5%)

6 (2.7%)

Leap

791

1,717 (avg. 2.2)

736 (93.0%)

41 (5.2%)

Pascal's Triangle

246

482 (avg. 2.0)

192 (78.0%)

4 (1.6%)

Perfect Numbers

352

621 (avg. 1.8)

310 (88.1%)

12 (3.4%)

Phone Number

890

2,099 (avg. 2.4)

774 (87.0%)

82 (9.2%)

Prime Factors

301

759 (avg. 2.5)

252 (83.7%)

11 (3.7%)

Proverb

148

277 (avg. 1.9)

106 (71.6%)

3 (2.0%)

Say

481

1,578 (avg. 3.3)

283 (58.8%)

95 (19.8%)

Trinary

281

518 (avg. 1.8)

244 (86.8%)

11 (3.9%)

Allergies

363

881 (avg. 2.4)

289 (79.6%)

8 (2.2%)

Crypto Square

275

1,032 (avg. 3.8)

198 (72.0%)

3 (1.1%)

Difference of Squares

389

1,147 (avg. 2.9)

340 (87.4%)

7 (1.8%)

Dominoes

147

423 (avg. 2.9)

73 (49.7%)

5 (3.4%)

Largest Series Product

233

639 (avg. 2.7)

192 (82.4%)

5 (2.1%)

Meetup

393

728 (avg. 1.9)

315 (80.2%)

17 (4.3%)

Octal

305

809 (avg. 2.7)

261 (85.6%)

11 (3.6%)

Spiral Matrix

224

275 (avg. 1.2)

119 (53.1%)

7 (3.1%)

Clock

538

938 (avg. 1.7)

400 (74.3%)

38 (7.1%)

Diamond

137

231 (avg. 1.7)

89 (65.0%)

4 (2.9%)

Luhn

248

530 (avg. 2.1)

192 (77.4%)

4 (1.6%)

Sieve

227

365 (avg. 1.6)

175 (77.1%)

11 (4.8%)

Robot Simulator

618

3,690 (avg. 6.0)

408 (66.0%)

34 (5.5%)

Wordy

188

625 (avg. 3.3)

129 (68.6%)

5 (2.7%)

Bank Account

328

628 (avg. 1.9)

248 (75.6%)

11 (3.4%)

Matching Brackets

248

806 (avg. 3.3)

189 (76.2%)

11 (4.4%)

Minesweeper

171

278 (avg. 1.6)

107 (62.6%)

3 (1.8%)

Poker

148

361 (avg. 2.4)

60 (40.5%)

7 (4.7%)

Queen Attack

238

496 (avg. 2.1)

183 (76.9%)

10 (4.2%)

Go Counting

127

301 (avg. 2.4)

43 (33.9%)

4 (3.1%)

POV

195

212 (avg. 1.1)

81 (41.5%)

0 (0.0%)

Yacht

641 (avg. 12.1)

42 (79.2%)

1 (1.9%)

Zipper

86 (avg. 4.8)

7 (38.9%)

1 (5.6%)

56 unimplemented practice exercises

Affine Cipher

Alphametics

Book Store

Bottle Song

Bowling

Circular Buffer

Connect

Custom Set

D&D Character

DOT DSL

Darts

Error Handling

Food Chain

Forth

Grep

Hangman

High Scores

House

Killer Sudoku Helper

Knapsack

Ledger

Lens Person

Linked List

List Ops

Markdown

Matrix

Micro Blog

OCR Numbers

PaaS I/O

Palindrome Products

Parallel Letter Frequency

Pythagorean Triplet

REST API

Rail Fence Cipher

Rational Numbers

React

Rectangles

Resistor Color

Resistor Color Duo

Resistor Color Trio

SGF Parsing

Saddle Points

Satellite

Scale Generator

Simple Cipher

Simple Linked List

Square Root

State of Tic-Tac-Toe

Tournament

Transpose

Tree Building

Twelve Days

Two Bucket

Variable Length Quantity

View data

Word Search

View data

Zebra Puzzle

View data

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3,979

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2,418

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13,787 students have developed their Clojure skills on Exercism.

The Clojure track needs attention ⚠️

Build

Create the Clojure syllabus

Usage statistics

Build Test Runners

Usage statistics

Build Analyzers

Build Representers

Usage statistics

Create Practice Exercises

Usage statistics

We 💙 our volunteers

13,787
students have developed their Clojure skills on Exercism.