Clojure
Clojure
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Clojure Track Management

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

Students
18,025
Submissions
494,768
Mentoring Discussions
7,613

The Clojure track needs attention ⚠️

Building

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.
12 concepts being taught
Ba
Basics
6,714 learnt
Ve
Vectors
3,065 learnt
Co
Conditionals
4,002 learnt
Nu
Numbers
4,002 learnt
Fl
Floating-point Numbers
1,688 learnt
Bo
Booleans
2,167 learnt
St
Strings
2,177 learnt
Se
Sequential Destructuring
1,122 learnt
Ch
Chars
570 learnt
At
Atoms
427 learnt
Cl
Closures
427 learnt
Li
Lists
476 learnt
10 active learning exercises
Started
Attempts
Completions
Mentoring requests
Lucian's Luscious Lasagna Lucian's Luscious Lasagna
7,655
25,744 (avg. 3.4)
6,714 (87.7%)
45 (0.6%)
Bird Watcher Bird Watcher
3,811
43,763 (avg. 11.5)
3,065 (80.4%)
132 (3.5%)
Cars, Assemble! Cars, Assemble!
4,488
34,872 (avg. 7.8)
4,002 (89.2%)
100 (2.2%)
Interest is Interesting Interest is Interesting
2,133
32,932 (avg. 15.4)
1,688 (79.1%)
50 (2.3%)
Annalyn's Infiltration Annalyn's Infiltration
2,373
15,512 (avg. 6.5)
2,167 (91.3%)
25 (1.1%)
Log Levels Log Levels
2,531
23,441 (avg. 9.3)
2,177 (86.0%)
46 (1.8%)
Elyses Destructured Enchantments Elyses Destructured Enchantments
1,213
14,004 (avg. 11.5)
1,122 (92.5%)
33 (2.7%)
Squeaky Clean Squeaky Clean
818
13,120 (avg. 16.0)
570 (69.7%)
24 (2.9%)
Coordinate Transformation Coordinate Transformation
607
5,628 (avg. 9.3)
427 (70.3%)
18 (3.0%)
Card Games Card Games
603
8,112 (avg. 13.5)
476 (78.9%)
22 (3.6%)
1 deprecated learning exercises
Started
Attempts
Completions
Mentoring requests
Tracks on Tracks on Tracks Tracks on Tracks on Tracks
3,685
37,080 (avg. 10.1)
3,158 (85.7%)
70 (1.9%)

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.

Synced primary repo: 8e6ada9519013ad3992a6ac17361788b4d8691ec (Updates should be instant)

Next goal: Implement 137 practice exercises. Find out more.
95 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
14,302
22,532 (avg. 1.6)
12,505 (87.4%)
9 (0.1%)
Two Fer Two Fer
3,372
8,524 (avg. 2.5)
2,942 (87.2%)
952 (28.2%)
Leap Leap
1,934
6,784 (avg. 3.5)
1,758 (90.9%)
76 (3.9%)
High Scores High Scores
83
317 (avg. 3.8)
79 (95.2%)
2 (2.4%)
Darts Darts
89
269 (avg. 3.0)
76 (85.4%)
2 (2.2%)
Reverse String Reverse String
2,669
5,589 (avg. 2.1)
2,260 (84.7%)
692 (25.9%)
RNA Transcription RNA Transcription
2,529
6,142 (avg. 2.4)
2,372 (93.8%)
581 (23.0%)
Resistor Color Resistor Color
68
214 (avg. 3.1)
63 (92.6%)
1 (1.5%)
Hamming Hamming
1,413
3,745 (avg. 2.7)
1,301 (92.1%)
113 (8.0%)
Resistor Color Duo Resistor Color Duo
61
227 (avg. 3.7)
54 (88.5%)
2 (3.3%)
Space Age Space Age
789
2,834 (avg. 3.6)
716 (90.7%)
26 (3.3%)
ETL ETL
953
2,747 (avg. 2.9)
814 (85.4%)
36 (3.8%)
Triangle Triangle
812
3,988 (avg. 4.9)
743 (91.5%)
28 (3.4%)
Raindrops Raindrops
896
3,276 (avg. 3.7)
813 (90.7%)
32 (3.6%)
Strain Strain
430
998 (avg. 2.3)
374 (87.0%)
11 (2.6%)
Difference of Squares Difference of Squares
624
2,120 (avg. 3.4)
546 (87.5%)
9 (1.4%)
Eliud's Eggs Eliud's Eggs
112
299 (avg. 2.7)
89 (79.5%)
2 (1.8%)
Word Count Word Count
1,773
4,250 (avg. 2.4)
1,654 (93.3%)
339 (19.1%)
Grains Grains
541
1,841 (avg. 3.4)
479 (88.5%)
21 (3.9%)
Complex Numbers Complex Numbers
811
3,459 (avg. 4.3)
653 (80.5%)
23 (2.8%)
Bank Account Bank Account
471
1,246 (avg. 2.6)
359 (76.2%)
12 (2.5%)
Collatz Conjecture Collatz Conjecture
1,556
4,721 (avg. 3.0)
1,321 (84.9%)
130 (8.4%)
Anagram Anagram
1,910
6,127 (avg. 3.2)
1,762 (92.3%)
289 (15.1%)
Series Series
815
1,740 (avg. 2.1)
662 (81.2%)
71 (8.7%)
Grade School Grade School
794
2,070 (avg. 2.6)
716 (90.2%)
57 (7.2%)
Pangram Pangram
577
2,085 (avg. 3.6)
517 (89.6%)
16 (2.8%)
Square Root Square Root
44
108 (avg. 2.5)
37 (84.1%)
0 (0.0%)
Nucleotide Count Nucleotide Count
1,382
4,098 (avg. 3.0)
1,212 (87.7%)
122 (8.8%)
Scrabble Score Scrabble Score
536
1,288 (avg. 2.4)
485 (90.5%)
17 (3.2%)
Isogram Isogram
378
1,164 (avg. 3.1)
319 (84.4%)
7 (1.9%)
Sum of Multiples Sum of Multiples
395
1,118 (avg. 2.8)
333 (84.3%)
7 (1.8%)
Pascal's Triangle Pascal's Triangle
335
948 (avg. 2.8)
254 (75.8%)
5 (1.5%)
Armstrong Numbers Armstrong Numbers
3,936
16,433 (avg. 4.2)
2,521 (64.0%)
949 (24.1%)
Proverb Proverb
213
631 (avg. 3.0)
162 (76.1%)
3 (1.4%)
Acronym Acronym
896
7,287 (avg. 8.1)
743 (82.9%)
22 (2.5%)
Protein Translation Protein Translation
509
2,366 (avg. 4.6)
423 (83.1%)
19 (3.7%)
Matrix Matrix
38
202 (avg. 5.3)
33 (86.8%)
0 (0.0%)
Flatten Array Flatten Array
658
1,831 (avg. 2.8)
534 (81.2%)
14 (2.1%)
Perfect Numbers Perfect Numbers
429
1,034 (avg. 2.4)
369 (86.0%)
13 (3.0%)
Gigasecond Gigasecond
467
1,237 (avg. 2.6)
378 (80.9%)
16 (3.4%)
Largest Series Product Largest Series Product
325
1,116 (avg. 3.4)
267 (82.2%)
6 (1.8%)
Sublist Sublist
2,171
10,394 (avg. 4.8)
1,305 (60.1%)
79 (3.6%)
Bob Bob
3,834
16,414 (avg. 4.3)
3,342 (87.2%)
947 (24.7%)
Allergies Allergies
481
1,341 (avg. 2.8)
367 (76.3%)
9 (1.9%)
Beer Song Beer Song
1,560
3,558 (avg. 2.3)
1,268 (81.3%)
158 (10.1%)
Clock Clock
602
1,212 (avg. 2.0)
438 (72.8%)
41 (6.8%)
Secret Handshake Secret Handshake
278
644 (avg. 2.3)
228 (82.0%)
4 (1.4%)
Rotational Cipher Rotational Cipher
333
1,317 (avg. 4.0)
265 (79.6%)
6 (1.8%)
Prime Factors Prime Factors
363
965 (avg. 2.7)
299 (82.4%)
12 (3.3%)
Saddle Points Saddle Points
24
180 (avg. 7.5)
17 (70.8%)
0 (0.0%)
Binary Search Binary Search
614
2,407 (avg. 3.9)
483 (78.7%)
29 (4.7%)
Phone Number Phone Number
958
2,627 (avg. 2.7)
829 (86.5%)
82 (8.6%)
Atbash Cipher Atbash Cipher
377
1,301 (avg. 3.5)
325 (86.2%)
5 (1.3%)
D&D Character D&D Character
28
166 (avg. 5.9)
21 (75.0%)
0 (0.0%)
Binary Search Tree Binary Search Tree
375
1,264 (avg. 3.4)
253 (67.5%)
5 (1.3%)
Twelve Days Twelve Days
20
132 (avg. 6.6)
13 (65.0%)
0 (0.0%)
Kindergarten Garden Kindergarten Garden
287
847 (avg. 3.0)
224 (78.0%)
7 (2.4%)
ISBN Verifier ISBN Verifier
759
2,009 (avg. 2.6)
597 (78.7%)
212 (27.9%)
Yacht Yacht
125
1,146 (avg. 9.2)
99 (79.2%)
3 (2.4%)
Sieve Sieve
290
667 (avg. 2.3)
222 (76.6%)
12 (4.1%)
Run-Length Encoding Run-Length Encoding
1,083
2,852 (avg. 2.6)
790 (72.9%)
307 (28.3%)
Roman Numerals Roman Numerals
495
1,289 (avg. 2.6)
423 (85.5%)
15 (3.0%)
List Ops List Ops
29
209 (avg. 7.2)
24 (82.8%)
0 (0.0%)
Nth Prime Nth Prime
600
3,344 (avg. 5.6)
421 (70.2%)
13 (2.2%)
Matching Brackets Matching Brackets
370
1,668 (avg. 4.5)
294 (79.5%)
15 (4.1%)
Luhn Luhn
318
974 (avg. 3.1)
241 (75.8%)
5 (1.6%)
Diamond Diamond
189
624 (avg. 3.3)
125 (66.1%)
4 (2.1%)
Queen Attack Queen Attack
293
891 (avg. 3.0)
219 (74.7%)
11 (3.8%)
Robot Name Robot Name
953
4,678 (avg. 4.9)
793 (83.2%)
77 (8.1%)
Conway's Game of Life Conway's Game of Life
22
125 (avg. 5.7)
16 (72.7%)
0 (0.0%)
Resistor Color Trio Resistor Color Trio
16
112 (avg. 7.0)
13 (81.3%)
0 (0.0%)
Transpose Transpose
20
237 (avg. 11.9)
13 (65.0%)
0 (0.0%)
Knapsack Knapsack
18
145 (avg. 8.1)
14 (77.8%)
0 (0.0%)
All Your Base All Your Base
894
5,769 (avg. 6.5)
548 (61.3%)
31 (3.5%)
State of Tic-Tac-Toe State of Tic-Tac-Toe
20
261 (avg. 13.1)
15 (75.0%)
0 (0.0%)
Food Chain Food Chain
13
48 (avg. 3.7)
7 (53.8%)
0 (0.0%)
Simple Cipher Simple Cipher
21
183 (avg. 8.7)
17 (81.0%)
0 (0.0%)
Pig Latin Pig Latin
420
2,857 (avg. 6.8)
282 (67.1%)
14 (3.3%)
Robot Simulator Robot Simulator
1,027
6,462 (avg. 6.3)
612 (59.6%)
48 (4.7%)
Minesweeper Minesweeper
216
639 (avg. 3.0)
138 (63.9%)
3 (1.4%)
Meetup Meetup
446
978 (avg. 2.2)
346 (77.6%)
20 (4.5%)
Pythagorean Triplet Pythagorean Triplet
21
106 (avg. 5.0)
14 (66.7%)
0 (0.0%)
Crypto Square Crypto Square
335
1,642 (avg. 4.9)
238 (71.0%)
3 (0.9%)
Wordy Wordy
275
1,480 (avg. 5.4)
184 (66.9%)
7 (2.5%)
Killer Sudoku Helper Killer Sudoku Helper
13
154 (avg. 11.8)
7 (53.8%)
0 (0.0%)
Spiral Matrix Spiral Matrix
276
460 (avg. 1.7)
151 (54.7%)
7 (2.5%)
Say Say
626
2,900 (avg. 4.6)
365 (58.3%)
103 (16.5%)
Change Change
263
1,284 (avg. 4.9)
144 (54.8%)
6 (2.3%)
Dominoes Dominoes
205
715 (avg. 3.5)
104 (50.7%)
5 (2.4%)
Connect Connect
10
308 (avg. 30.8)
7 (70.0%)
0 (0.0%)
Poker Poker
189
832 (avg. 4.4)
81 (42.9%)
8 (4.2%)
POV POV
235
517 (avg. 2.2)
100 (42.6%)
0 (0.0%)
Zipper Zipper
59
265 (avg. 4.5)
30 (50.8%)
1 (1.7%)
Zebra Puzzle Zebra Puzzle
16
103 (avg. 6.4)
6 (37.5%)
0 (0.0%)
Go Counting Go Counting
158
610 (avg. 3.9)
59 (37.3%)
5 (3.2%)
5 deprecated practice exercises
Started
Attempts
Completions
Mentoring requests
Accumulate Accumulate
970
3,480 (avg. 3.6)
829 (85.5%)
26 (2.7%)
Binary Binary
441
1,159 (avg. 2.6)
387 (87.8%)
12 (2.7%)
Hexadecimal Hexadecimal
283
654 (avg. 2.3)
232 (82.0%)
8 (2.8%)
Octal Octal
374
1,247 (avg. 3.3)
314 (84.0%)
12 (3.2%)
Trinary Trinary
323
700 (avg. 2.2)
280 (86.7%)
11 (3.4%)
42 unimplemented practice exercises
Affine Cipher Affine Cipher
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Alphametics Alphametics
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Baffling Birthdays Baffling Birthdays
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Book Store Book Store
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Bottle Song Bottle Song
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Bowling Bowling
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Circular Buffer Circular Buffer
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Custom Set Custom Set
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DOT DSL DOT DSL
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Error Handling Error Handling
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Flower Field Flower Field
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Forth Forth
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Grep Grep
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Hangman Hangman
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House House
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Intergalactic Transmission Intergalactic Transmission
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Ledger Ledger
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Lens Person Lens Person
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Linked List Linked List
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Markdown Markdown
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Micro Blog Micro Blog
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OCR Numbers OCR Numbers
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PaaS I/O PaaS I/O
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Palindrome Products Palindrome Products
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Parallel Letter Frequency Parallel Letter Frequency
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Piecing It Together Piecing It Together
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Rail Fence Cipher Rail Fence Cipher
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Rational Numbers Rational Numbers
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React React
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Rectangles Rectangles
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Relative Distance Relative Distance
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REST API REST API
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Satellite Satellite
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SGF Parsing SGF Parsing
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Simple Linked List Simple Linked List
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Split-Second Stopwatch Split-Second Stopwatch
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Swift Scheduling Swift Scheduling
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Tournament Tournament
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Tree Building Tree Building
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Two Bucket Two Bucket
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Variable Length Quantity Variable Length Quantity
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Word Search Word Search
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Programming Tags

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Help manage the tags used to group, filter and recommend solutions, approaches and articles.

0 tags

Test Runner

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

Current version: 8a6ef691f56a61db5524a41aa5f790103814b758 (Takes up to 10 mins to deploy)

Total Test Runner Runs
458,931
Test Run Pass Rate
22.0% (100831)
Test Run Fail Rate
59.6% (273418)
Test Run Error Rate
18.5% (84682)

Representer

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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.

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

Total Representer Runs
107,067
Total Representation Comments Made
12,651
Feedback Given Frequency
11.8%

Analyzer

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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.