Clojure

13,370 students

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Syllabus

Exercises

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119 contributors

237 mentors

13,369
students have developed their Clojure skills on Exercism.

Students

13,369

Submissions

266,007

Mentoring Discussions

6,981

The Clojure track needs attention ⚠️

Building

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119 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 10 concepts. Find out more.

Usage statistics

9 concepts being taught

Basics

3,525 learnt

Lists

2,559 learnt

Vectors

1,520 learnt

Conditionals

1,783 learnt

Numbers

1,783 learnt

Floating-point Numbers

826 learnt

Booleans

1,026 learnt

Strings

1,018 learnt

Sequential Destructuring

655 learnt

8 active learning exercises

Started

Attempts

Completions

Mentoring requests

Lucian's Luscious Lasagna

4,044

13,466 (avg. 3.3)

3,525 (87.2%)

18 (0.4%)

Tracks on Tracks on Tracks

3,031

29,307 (avg. 9.7)

2,559 (84.4%)

51 (1.7%)

Bird Watcher

1,868

20,689 (avg. 11.1)

1,520 (81.4%)

60 (3.2%)

Cars, Assemble!

1,970

14,122 (avg. 7.2)

1,783 (90.5%)

30 (1.5%)

Interest is Interesting

1,049

14,655 (avg. 14.0)

826 (78.7%)

23 (2.2%)

Annalyn's Infiltration

1,120

6,616 (avg. 5.9)

1,026 (91.6%)

7 (0.6%)

Log Levels

1,162

9,887 (avg. 8.5)

1,018 (87.6%)

14 (1.2%)

Elyses Destructured Enchantments

708

8,228 (avg. 11.6)

655 (92.5%)

20 (2.8%)

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

219,858

Test Run Pass Rate

27.2% (59907)

Test Run Fail Rate

55.4% (121728)

Test Run Error Rate

17.4% (38223)

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

23,500

Total Representation Comments Made

2,109

Feedback Given Frequency

9.0%

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

9,328

14,698 (avg. 1.6)

8,310 (89.1%)

9 (0.1%)

Two Fer

2,767

5,747 (avg. 2.1)

2,372 (85.7%)

940 (34.0%)

Armstrong Numbers

3,118

10,463 (avg. 3.4)

1,989 (63.8%)

911 (29.2%)

Reverse String

2,267

4,421 (avg. 2.0)

1,888 (83.3%)

686 (30.3%)

Accumulate

702

2,307 (avg. 3.3)

599 (85.3%)

19 (2.7%)

Acronym

590

4,858 (avg. 8.2)

488 (82.7%)

16 (2.7%)

All Your Base

565

3,595 (avg. 6.4)

361 (63.9%)

23 (4.1%)

Anagram

1,667

4,824 (avg. 2.9)

1,548 (92.9%)

284 (17.0%)

Bob

3,409

11,537 (avg. 3.4)

2,986 (87.6%)

937 (27.5%)

Collatz Conjecture

1,171

2,972 (avg. 2.5)

990 (84.5%)

117 (10.0%)

Complex Numbers

550

2,136 (avg. 3.9)

448 (81.5%)

21 (3.8%)

ETL

780

1,863 (avg. 2.4)

666 (85.4%)

33 (4.2%)

Hamming

1,192

2,772 (avg. 2.3)

1,094 (91.8%)

109 (9.1%)

Nth Prime

378

1,852 (avg. 4.9)

269 (71.2%)

6 (1.6%)

Nucleotide Count

1,224

2,970 (avg. 2.4)

1,078 (88.1%)

118 (9.6%)

Pangram

370

1,189 (avg. 3.2)

330 (89.2%)

11 (3.0%)

Pig Latin

270

1,698 (avg. 6.3)

176 (65.2%)

9 (3.3%)

Protein Translation

316

1,292 (avg. 4.1)

252 (79.7%)

16 (5.1%)

Raindrops

541

1,480 (avg. 2.7)

490 (90.6%)

23 (4.3%)

RNA Transcription

2,361

5,457 (avg. 2.3)

2,216 (93.9%)

577 (24.4%)

Robot Name

713

2,103 (avg. 2.9)

605 (84.9%)

68 (9.5%)

Roman Numerals

385

862 (avg. 2.2)

331 (86.0%)

13 (3.4%)

Rotational Cipher

227

773 (avg. 3.4)

174 (76.7%)

4 (1.8%)

Run-Length Encoding

986

2,261 (avg. 2.3)

709 (71.9%)

302 (30.6%)

Scrabble Score

425

905 (avg. 2.1)

387 (91.1%)

15 (3.5%)

Secret Handshake

192

359 (avg. 1.9)

152 (79.2%)

4 (2.1%)

Series

704

1,264 (avg. 1.8)

569 (80.8%)

71 (10.1%)

Space Age

523

1,380 (avg. 2.6)

466 (89.1%)

16 (3.1%)

Strain

302

541 (avg. 1.8)

262 (86.8%)

9 (3.0%)

Sublist

1,737

8,067 (avg. 4.6)

1,010 (58.1%)

69 (4.0%)

Sum of Multiples

275

503 (avg. 1.8)

235 (85.5%)

3 (1.1%)

Triangle

553

2,010 (avg. 3.6)

499 (90.2%)

21 (3.8%)

Word Count

1,661

3,479 (avg. 2.1)

1,559 (93.9%)

338 (20.3%)

Atbash Cipher

285

624 (avg. 2.2)

251 (88.1%)

5 (1.8%)

Beer Song

1,481

2,924 (avg. 2.0)

1,199 (81.0%)

158 (10.7%)

Binary

371

825 (avg. 2.2)

331 (89.2%)

12 (3.2%)

Binary Search

480

1,364 (avg. 2.8)

385 (80.2%)

25 (5.2%)

Binary Search Tree

261

676 (avg. 2.6)

179 (68.6%)

4 (1.5%)

Change

185

407 (avg. 2.2)

103 (55.7%)

4 (2.2%)

Flatten Array

512

1,043 (avg. 2.0)

415 (81.1%)

13 (2.5%)

Gigasecond

376

869 (avg. 2.3)

316 (84.0%)

15 (4.0%)

Grade School

712

1,526 (avg. 2.1)

647 (90.9%)

57 (8.0%)

Grains

426

1,039 (avg. 2.4)

385 (90.4%)

18 (4.2%)

Hexadecimal

232

425 (avg. 1.8)

195 (84.1%)

8 (3.4%)

ISBN Verifier

686

1,577 (avg. 2.3)

534 (77.8%)

211 (30.8%)

Isogram

258

675 (avg. 2.6)

209 (81.0%)

5 (1.9%)

Kindergarten Garden

220

433 (avg. 2.0)

175 (79.5%)

6 (2.7%)

Leap

689

1,366 (avg. 2.0)

639 (92.7%)

40 (5.8%)

Pascal's Triangle

243

458 (avg. 1.9)

188 (77.4%)

4 (1.6%)

Perfect Numbers

348

615 (avg. 1.8)

306 (87.9%)

12 (3.4%)

Phone Number

887

2,093 (avg. 2.4)

771 (86.9%)

82 (9.2%)

Prime Factors

292

732 (avg. 2.5)

244 (83.6%)

11 (3.8%)

Proverb

146

274 (avg. 1.9)

104 (71.2%)

3 (2.1%)

Say

475

1,476 (avg. 3.1)

279 (58.7%)

95 (20.0%)

Trinary

279

515 (avg. 1.8)

243 (87.1%)

11 (3.9%)

Allergies

356

870 (avg. 2.4)

282 (79.2%)

7 (2.0%)

Crypto Square

270

1,001 (avg. 3.7)

195 (72.2%)

3 (1.1%)

Difference of Squares

310

636 (avg. 2.1)

268 (86.5%)

5 (1.6%)

Dominoes

143

411 (avg. 2.9)

70 (49.0%)

5 (3.5%)

Largest Series Product

228

607 (avg. 2.7)

189 (82.9%)

4 (1.8%)

Meetup

392

726 (avg. 1.9)

314 (80.1%)

17 (4.3%)

Octal

299

729 (avg. 2.4)

255 (85.3%)

11 (3.7%)

Spiral Matrix

223

274 (avg. 1.2)

118 (52.9%)

7 (3.1%)

Clock

536

934 (avg. 1.7)

398 (74.3%)

38 (7.1%)

Diamond

133

208 (avg. 1.6)

88 (66.2%)

3 (2.3%)

Luhn

245

479 (avg. 2.0)

190 (77.6%)

3 (1.2%)

Sieve

223

357 (avg. 1.6)

171 (76.7%)

11 (4.9%)

Robot Simulator

592

3,537 (avg. 6.0)

396 (66.9%)

34 (5.7%)

Wordy

186

620 (avg. 3.3)

127 (68.3%)

5 (2.7%)

Bank Account

325

618 (avg. 1.9)

243 (74.8%)

11 (3.4%)

Matching Brackets

194

349 (avg. 1.8)

143 (73.7%)

9 (4.6%)

Minesweeper

168

268 (avg. 1.6)

104 (61.9%)

3 (1.8%)

Poker

146

293 (avg. 2.0)

58 (39.7%)

7 (4.8%)

Queen Attack

232

390 (avg. 1.7)

178 (76.7%)

10 (4.3%)

Go Counting

126

301 (avg. 2.4)

43 (34.1%)

4 (3.2%)

POV

193

209 (avg. 1.1)

80 (41.5%)

0 (0.0%)

Yacht

573 (avg. 13.6)

34 (81.0%)

1 (2.4%)

Zipper

73 (avg. 5.6)

6 (46.2%)

1 (7.7%)

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

Volunteers

500

amirci

6,740

jaihindhreddy

3,974

porkostomus

2,417

+ 488 more

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13,369 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

13,369
students have developed their Clojure skills on Exercism.