Clojure impact and status on Exercism

Clojure

16,607 students

About Clojure

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Practice

133 contributors

266 mentors

Clojure Track Management

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

Students

16,607

Submissions

414,692

Mentoring Discussions

7,395

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

5,698 learnt

Vectors

2,509 learnt

Conditionals

3,273 learnt

Numbers

3,273 learnt

Floating-point Numbers

1,364 learnt

Booleans

1,756 learnt

Strings

1,744 learnt

Sequential Destructuring

946 learnt

Chars

354 learnt

Atoms

231 learnt

Closures

231 learnt

Lists

252 learnt

10 active learning exercises

Started

Attempts

Completions

Mentoring requests

Lucian's Luscious Lasagna

6,469

21,881 (avg. 3.4)

5,698 (88.1%)

38 (0.6%)

Bird Watcher

3,097

36,317 (avg. 11.7)

2,509 (81.0%)

110 (3.6%)

Cars, Assemble!

3,653

29,054 (avg. 8.0)

3,273 (89.6%)

78 (2.1%)

Interest is Interesting

1,731

26,448 (avg. 15.3)

1,364 (78.8%)

46 (2.7%)

Annalyn's Infiltration

1,908

12,785 (avg. 6.7)

1,756 (92.0%)

22 (1.2%)

Log Levels

2,008

18,532 (avg. 9.2)

1,744 (86.9%)

38 (1.9%)

Elyses Destructured Enchantments

1,022

12,287 (avg. 12.0)

946 (92.6%)

29 (2.8%)

Squeaky Clean

514

8,652 (avg. 16.8)

354 (68.9%)

21 (4.1%)

Coordinate Transformation

332

3,116 (avg. 9.4)

231 (69.6%)

12 (3.6%)

Card Games

324

4,508 (avg. 13.9)

252 (77.8%)

16 (4.9%)

1 deprecated learning exercises

Started

Attempts

Completions

Mentoring requests

Tracks on Tracks on Tracks

3,685

37,053 (avg. 10.1)

3,152 (85.5%)

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: e4e6b2b44a7e19f6a276ac717f66e53fece54f6f (Updates should be instant)

Next goal: Implement 135 practice exercises. Find out more.

78 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

12,712

19,769 (avg. 1.6)

11,188 (88.0%)

9 (0.1%)

Two Fer

3,146

7,459 (avg. 2.4)

2,732 (86.8%)

950 (30.2%)

Armstrong Numbers

3,630

14,444 (avg. 4.0)

2,315 (63.8%)

937 (25.8%)

Reverse String

2,514

5,191 (avg. 2.1)

2,117 (84.2%)

688 (27.4%)

Accumulate

921

3,193 (avg. 3.5)

792 (86.0%)

23 (2.5%)

Acronym

776

6,626 (avg. 8.5)

641 (82.6%)

19 (2.4%)

All Your Base

768

4,883 (avg. 6.4)

472 (61.5%)

27 (3.5%)

Anagram

1,798

5,490 (avg. 3.1)

1,665 (92.6%)

287 (16.0%)

Bob

3,646

14,261 (avg. 3.9)

3,177 (87.1%)

941 (25.8%)

Collatz Conjecture

1,405

4,121 (avg. 2.9)

1,191 (84.8%)

125 (8.9%)

Complex Numbers

685

2,883 (avg. 4.2)

553 (80.7%)

21 (3.1%)

ETL

881

2,325 (avg. 2.6)

749 (85.0%)

34 (3.9%)

Hamming

1,325

3,357 (avg. 2.5)

1,219 (92.0%)

110 (8.3%)

Nth Prime

508

2,703 (avg. 5.3)

354 (69.7%)

8 (1.6%)

Nucleotide Count

1,319

3,627 (avg. 2.7)

1,155 (87.6%)

120 (9.1%)

Pangram

488

1,682 (avg. 3.4)

434 (88.9%)

11 (2.3%)

Pig Latin

353

2,386 (avg. 6.8)

236 (66.9%)

11 (3.1%)

Protein Translation

445

1,964 (avg. 4.4)

362 (81.3%)

18 (4.0%)

Raindrops

738

2,527 (avg. 3.4)

670 (90.8%)

27 (3.7%)

RNA Transcription

2,441

5,868 (avg. 2.4)

2,290 (93.8%)

578 (23.7%)

Robot Name

913

4,139 (avg. 4.5)

761 (83.4%)

75 (8.2%)

Roman Numerals

458

1,190 (avg. 2.6)

393 (85.8%)

14 (3.1%)

Rotational Cipher

285

1,131 (avg. 4.0)

227 (79.6%)

5 (1.8%)

Run-Length Encoding

1,043

2,603 (avg. 2.5)

754 (72.3%)

305 (29.2%)

Scrabble Score

485

1,108 (avg. 2.3)

439 (90.5%)

17 (3.5%)

Secret Handshake

241

548 (avg. 2.3)

196 (81.3%)

4 (1.7%)

Series

762

1,462 (avg. 1.9)

617 (81.0%)

71 (9.3%)

Space Age

673

2,253 (avg. 3.3)

607 (90.2%)

23 (3.4%)

Strain

363

770 (avg. 2.1)

314 (86.5%)

9 (2.5%)

Sublist

2,099

10,053 (avg. 4.8)

1,237 (58.9%)

77 (3.7%)

Sum of Multiples

345

891 (avg. 2.6)

291 (84.3%)

6 (1.7%)

Triangle

677

2,872 (avg. 4.2)

611 (90.3%)

26 (3.8%)

Word Count

1,712

3,649 (avg. 2.1)

1,600 (93.5%)

338 (19.7%)

Atbash Cipher

339

1,094 (avg. 3.2)

291 (85.8%)

5 (1.5%)

Beer Song

1,520

3,343 (avg. 2.2)

1,231 (81.0%)

158 (10.4%)

Binary

421

1,064 (avg. 2.5)

371 (88.1%)

12 (2.9%)

Binary Search

553

2,066 (avg. 3.7)

436 (78.8%)

27 (4.9%)

Binary Search Tree

328

1,059 (avg. 3.2)

223 (68.0%)

4 (1.2%)

Change

225

797 (avg. 3.5)

122 (54.2%)

4 (1.8%)

Flatten Array

600

1,438 (avg. 2.4)

483 (80.5%)

13 (2.2%)

Gigasecond

426

1,060 (avg. 2.5)

350 (82.2%)

15 (3.5%)

Grade School

751

1,758 (avg. 2.3)

680 (90.5%)

57 (7.6%)

Grains

483

1,440 (avg. 3.0)

430 (89.0%)

20 (4.1%)

Hexadecimal

272

608 (avg. 2.2)

223 (82.0%)

8 (2.9%)

ISBN Verifier

725

1,841 (avg. 2.5)

567 (78.2%)

211 (29.1%)

Isogram

315

929 (avg. 2.9)

260 (82.5%)

6 (1.9%)

Kindergarten Garden

256

682 (avg. 2.7)

199 (77.7%)

6 (2.3%)

Leap

1,772

6,271 (avg. 3.5)

1,607 (90.7%)

74 (4.2%)

Pascal's Triangle

289

731 (avg. 2.5)

218 (75.4%)

5 (1.7%)

Perfect Numbers

386

729 (avg. 1.9)

334 (86.5%)

12 (3.1%)

Phone Number

926

2,440 (avg. 2.6)

804 (86.8%)

82 (8.9%)

Prime Factors

333

859 (avg. 2.6)

274 (82.3%)

12 (3.6%)

Proverb

177

453 (avg. 2.6)

128 (72.3%)

3 (1.7%)

Say

555

2,136 (avg. 3.8)

318 (57.3%)

98 (17.7%)

Trinary

312

669 (avg. 2.1)

271 (86.9%)

11 (3.5%)

Allergies

431

1,125 (avg. 2.6)

335 (77.7%)

9 (2.1%)

Crypto Square

307

1,362 (avg. 4.4)

217 (70.7%)

3 (1.0%)

Difference of Squares

512

1,684 (avg. 3.3)

447 (87.3%)

7 (1.4%)

Dominoes

178

587 (avg. 3.3)

87 (48.9%)

5 (2.8%)

Largest Series Product

274

790 (avg. 2.9)

226 (82.5%)

5 (1.8%)

Meetup

420

839 (avg. 2.0)

329 (78.3%)

19 (4.5%)

Octal

358

1,188 (avg. 3.3)

303 (84.6%)

11 (3.1%)

Spiral Matrix

250

378 (avg. 1.5)

134 (53.6%)

7 (2.8%)

Clock

573

1,070 (avg. 1.9)

418 (72.9%)

39 (6.8%)

Diamond

163

456 (avg. 2.8)

106 (65.0%)

4 (2.5%)

Luhn

289

796 (avg. 2.8)

218 (75.4%)

4 (1.4%)

Sieve

263

525 (avg. 2.0)

201 (76.4%)

12 (4.6%)

Robot Simulator

846

5,412 (avg. 6.4)

522 (61.7%)

41 (4.8%)

Wordy

227

861 (avg. 3.8)

150 (66.1%)

7 (3.1%)

Bank Account

372

801 (avg. 2.2)

277 (74.5%)

12 (3.2%)

Matching Brackets

345

1,508 (avg. 4.4)

273 (79.1%)

13 (3.8%)

Minesweeper

195

563 (avg. 2.9)

123 (63.1%)

3 (1.5%)

Poker

171

594 (avg. 3.5)

71 (41.5%)

8 (4.7%)

Queen Attack

266

691 (avg. 2.6)

202 (75.9%)

10 (3.8%)

Go Counting

142

452 (avg. 3.2)

51 (35.9%)

5 (3.5%)

POV

217

358 (avg. 1.6)

91 (41.9%)

0 (0.0%)

Yacht

100

984 (avg. 9.8)

79 (79.0%)

3 (3.0%)

Zipper

138 (avg. 3.4)

20 (48.8%)

1 (2.4%)

57 unimplemented practice exercises

Affine Cipher

Alphametics

Book Store

Bottle Song

Bowling

Circular Buffer

Connect

Conway's Game of Life

Custom Set

D&D Character

Darts

DOT DSL

Eliud's Eggs

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

Rail Fence Cipher

Rational Numbers

React

Rectangles

Resistor Color

Resistor Color Duo

Resistor Color Trio

REST API

Saddle Points

Satellite

SGF Parsing

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

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: 160734982e67802bb686c4e925e1615e1b52d768 (Takes up to 10 mins to deploy)

Total Test Runner Runs

379,148

Test Run Pass Rate

23.3% (88485)

Test Run Fail Rate

58.3% (221207)

Test Run Error Rate

18.3% (69456)

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: c9cd693c0d37485fab477dfdcc7304653e5a156b (Takes up to 10 mins to deploy)

Total Representer Runs

93,896

Total Representation Comments Made

10,624

Feedback Given Frequency

11.3%

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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Clojure Track Management

The Clojure track needs attention ⚠️

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