Elixir
Elixir
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Elixir Track Management

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

Students
51,603
Submissions
3,630,786
Mentoring Discussions
27,786

The Elixir track is exemplar ✨

Building

Elixir 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.

58 concepts being taught
Ba
Basics
22,878 learnt
Bo
Booleans
18,730 learnt
Fl
Floating Point Numbers
16,603 learnt
In
Integers
16,603 learnt
An
Anonymous Functions
16,553 learnt
Bi
Bit Manipulation
16,553 learnt
At
Atoms
14,543 learnt
Co
Cond
14,543 learnt
Li
Lists
14,260 learnt
De
Default Arguments
13,001 learnt
Gu
Guards
13,001 learnt
Mu
Multiple Clause Functions
13,001 learnt
Pa
Pattern Matching
11,671 learnt
Tu
Tuples
11,671 learnt
Pi
Pipe Operator
10,651 learnt
St
Strings
10,651 learnt
Re
Recursion
9,981 learnt
Ma
Maps
9,426 learnt
Mo
Module Attributes As Constants
9,426 learnt
Do
Docs
7,875 learnt
Ty
Typespecs
7,875 learnt
Ca
Case
7,539 learnt
Ch
Charlists
7,539 learnt
IO
IO
7,004 learnt
If
If
7,603 learnt
Ni
Nil
7,603 learnt
PI
PIDs
6,328 learnt
Pr
Processes
6,328 learnt
Ke
Keyword Lists
5,982 learnt
Bi
Bitstrings
3,234 learnt
Ta
Tail Call Recursion
4,373 learnt
Da
Dates and Time
4,602 learnt
Ac
Access Behaviour
4,568 learnt
En
Enum
4,965 learnt
Bi
Binaries
3,408 learnt
Fi
File
3,433 learnt
Ra
Ranges
3,479 learnt
St
Structs
4,064 learnt
Li
List Comprehensions
3,456 learnt
Ag
Agent
3,181 learnt
Pr
Protocols
3,020 learnt
Er
Erlang Libraries
2,809 learnt
Ra
Randomness
2,809 learnt
Al
Alias
3,137 learnt
Im
Import
3,137 learnt
Er
Errors
3,121 learnt
Tr
Try/Rescue
3,121 learnt
Ex
Exceptions
2,592 learnt
Li
Links
2,309 learnt
Ta
Tasks
2,309 learnt
St
Streams
2,471 learnt
Wi
With
2,389 learnt
AS
AST
2,462 learnt
Be
Behaviours
1,985 learnt
Us
Use
1,985 learnt
Ge
GenServer
1,661 learnt
Re
Regular Expressions
2,698 learnt
Ma
MapSets
388 learnt
41 active learning exercises
Started
Attempts
Completions
Mentoring requests
Lasagna Lasagna
25,414
123,128 (avg. 4.8)
22,878 (90.0%)
374 (1.5%)
Pacman Rules Pacman Rules
19,658
92,478 (avg. 4.7)
18,730 (95.3%)
250 (1.3%)
Freelancer Rates Freelancer Rates
18,152
239,426 (avg. 13.2)
16,603 (91.5%)
387 (2.1%)
Secrets Secrets
18,294
169,687 (avg. 9.3)
16,553 (90.5%)
329 (1.8%)
Log Level Log Level
15,412
124,144 (avg. 8.1)
14,543 (94.4%)
342 (2.2%)
Language List Language List
14,689
84,442 (avg. 5.7)
14,260 (97.1%)
232 (1.6%)
Guessing Game Guessing Game
13,453
127,958 (avg. 9.5)
13,001 (96.6%)
314 (2.3%)
Kitchen Calculator Kitchen Calculator
12,340
100,705 (avg. 8.2)
11,671 (94.6%)
317 (2.6%)
High School Sweetheart High School Sweetheart
11,026
135,072 (avg. 12.3)
10,651 (96.6%)
257 (2.3%)
Bird Count Bird Count
10,461
120,984 (avg. 11.6)
9,981 (95.4%)
309 (3.0%)
High Score High Score
9,796
100,456 (avg. 10.3)
9,426 (96.2%)
230 (2.3%)
City Office City Office
8,395
85,675 (avg. 10.2)
7,875 (93.8%)
190 (2.3%)
German Sysadmin German Sysadmin
8,324
102,600 (avg. 12.3)
7,539 (90.6%)
273 (3.3%)
RPG Character Sheet RPG Character Sheet
7,308
82,895 (avg. 11.3)
7,004 (95.8%)
210 (2.9%)
Name Badge Name Badge
7,791
52,271 (avg. 6.7)
7,603 (97.6%)
193 (2.5%)
Take-A-Number Take-A-Number
6,921
71,243 (avg. 10.3)
6,328 (91.4%)
238 (3.4%)
Wine Cellar Wine Cellar
6,411
72,393 (avg. 11.3)
5,982 (93.3%)
266 (4.1%)
Paint By Number Paint By Number
3,759
40,352 (avg. 10.7)
3,234 (86.0%)
127 (3.4%)
DNA Encoding DNA Encoding
4,791
69,537 (avg. 14.5)
4,373 (91.3%)
226 (4.7%)
Library Fees Library Fees
4,966
69,123 (avg. 13.9)
4,602 (92.7%)
229 (4.6%)
Basketball Website Basketball Website
4,839
26,186 (avg. 5.4)
4,568 (94.4%)
185 (3.8%)
Boutique Inventory Boutique Inventory
5,251
66,469 (avg. 12.7)
4,965 (94.6%)
218 (4.2%)
File Sniffer File Sniffer
3,587
27,775 (avg. 7.7)
3,408 (95.0%)
200 (5.6%)
Newsletter Newsletter
3,595
37,201 (avg. 10.3)
3,433 (95.5%)
183 (5.1%)
Chessboard Chessboard
3,534
17,538 (avg. 5.0)
3,479 (98.4%)
152 (4.3%)
Remote Control Car Remote Control Car
4,227
50,147 (avg. 11.9)
4,064 (96.1%)
205 (4.8%)
Boutique Suggestions Boutique Suggestions
3,564
28,101 (avg. 7.9)
3,456 (97.0%)
176 (4.9%)
Community Garden Community Garden
3,429
48,188 (avg. 14.1)
3,181 (92.8%)
200 (5.8%)
Bread And Potions Bread And Potions
3,137
18,784 (avg. 6.0)
3,020 (96.3%)
175 (5.6%)
Captain's Log Captain's Log
2,882
19,840 (avg. 6.9)
2,809 (97.5%)
156 (5.4%)
Need For Speed Need For Speed
3,200
10,383 (avg. 3.2)
3,137 (98.0%)
147 (4.6%)
RPN Calculator RPN Calculator
3,207
17,848 (avg. 5.6)
3,121 (97.3%)
158 (4.9%)
Stack Underflow Stack Underflow
2,694
19,644 (avg. 7.3)
2,592 (96.2%)
157 (5.8%)
RPN Calculator Inspection RPN Calculator Inspection
2,609
32,597 (avg. 12.5)
2,309 (88.5%)
184 (7.1%)
Lucas Numbers Lucas Numbers
2,626
21,822 (avg. 8.3)
2,471 (94.1%)
170 (6.5%)
New Passport New Passport
2,504
19,729 (avg. 7.9)
2,389 (95.4%)
154 (6.2%)
Top Secret Top Secret
2,991
56,081 (avg. 18.7)
2,462 (82.3%)
206 (6.9%)
Dancing Dots Dancing Dots
2,108
22,616 (avg. 10.7)
1,985 (94.2%)
167 (7.9%)
Take-A-Number Deluxe Take-A-Number Deluxe
1,920
28,647 (avg. 14.9)
1,661 (86.5%)
154 (8.0%)
Log Parser Log Parser
3,003
36,137 (avg. 12.0)
2,698 (89.8%)
164 (5.5%)
Gotta Snatch'Em All Gotta Snatch'Em All
442
5,350 (avg. 12.1)
388 (87.8%)
7 (1.6%)
2 deprecated learning exercises
Started
Attempts
Completions
Mentoring requests
Date Parser Date Parser
1,463
25,967 (avg. 17.7)
1,199 (82.0%)
11 (0.8%)
Mensch Ärgere Dich Nicht Mensch Ärgere Dich Nicht
0
0 (avg. 0.0)
0 (0.0%)
0 (0.0%)

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: 9fcea7d0e01259db48f179b37558a2cee38bb09d (Updates should be instant)

Next goal: Implement 133 practice exercises. Find out more.
127 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
44,909
66,734 (avg. 1.5)
39,617 (88.2%)
49 (0.1%)
Resistor Color Resistor Color
4,179
8,679 (avg. 2.1)
3,936 (94.2%)
73 (1.7%)
Two Fer Two Fer
4,956
23,525 (avg. 4.7)
4,637 (93.6%)
75 (1.5%)
Acronym Acronym
4,189
12,535 (avg. 3.0)
3,878 (92.6%)
154 (3.7%)
All Your Base All Your Base
2,084
16,769 (avg. 8.0)
1,736 (83.3%)
66 (3.2%)
Anagram Anagram
3,337
12,305 (avg. 3.7)
3,075 (92.1%)
185 (5.5%)
Armstrong Numbers Armstrong Numbers
1,532
5,231 (avg. 3.4)
1,455 (95.0%)
26 (1.7%)
Collatz Conjecture Collatz Conjecture
3,850
31,543 (avg. 8.2)
3,533 (91.8%)
83 (2.2%)
Darts Darts
6,621
31,564 (avg. 4.8)
5,595 (84.5%)
143 (2.2%)
ETL ETL
1,935
6,530 (avg. 3.4)
1,777 (91.8%)
52 (2.7%)
Hamming Hamming
2,430
7,722 (avg. 3.2)
2,274 (93.6%)
132 (5.4%)
Line Up Line Up
206
784 (avg. 3.8)
190 (92.2%)
2 (1.0%)
Nth Prime Nth Prime
1,746
6,636 (avg. 3.8)
1,522 (87.2%)
51 (2.9%)
Nucleotide Count Nucleotide Count
8,125
14,883 (avg. 1.8)
6,937 (85.4%)
521 (6.4%)
Pangram Pangram
1,978
6,132 (avg. 3.1)
1,847 (93.4%)
68 (3.4%)
Pig Latin Pig Latin
2,549
10,900 (avg. 4.3)
1,964 (77.0%)
123 (4.8%)
Protein Translation Protein Translation
3,209
12,062 (avg. 3.8)
2,744 (85.5%)
194 (6.0%)
Raindrops Raindrops
2,877
7,783 (avg. 2.7)
2,669 (92.8%)
98 (3.4%)
Resistor Color Duo Resistor Color Duo
2,705
12,066 (avg. 4.5)
2,579 (95.3%)
32 (1.2%)
RNA Transcription RNA Transcription
7,951
13,573 (avg. 1.7)
6,001 (75.5%)
3,167 (39.8%)
Roman Numerals Roman Numerals
4,843
13,080 (avg. 2.7)
3,773 (77.9%)
1,340 (27.7%)
Rotational Cipher Rotational Cipher
3,668
8,286 (avg. 2.3)
3,064 (83.5%)
200 (5.5%)
Run-Length Encoding Run-Length Encoding
2,703
9,409 (avg. 3.5)
2,438 (90.2%)
125 (4.6%)
Scrabble Score Scrabble Score
2,561
7,347 (avg. 2.9)
2,396 (93.6%)
91 (3.6%)
Secret Handshake Secret Handshake
5,048
14,576 (avg. 2.9)
4,006 (79.4%)
296 (5.9%)
Series Series
2,167
6,598 (avg. 3.0)
1,960 (90.4%)
74 (3.4%)
Space Age Space Age
5,719
20,517 (avg. 3.6)
5,235 (91.5%)
161 (2.8%)
Strain Strain
4,257
11,258 (avg. 2.6)
3,779 (88.8%)
195 (4.6%)
Sublist Sublist
3,421
16,044 (avg. 4.7)
2,953 (86.3%)
166 (4.9%)
Sum of Multiples Sum of Multiples
1,797
4,889 (avg. 2.7)
1,665 (92.7%)
70 (3.9%)
Triangle Triangle
2,779
11,475 (avg. 4.1)
2,615 (94.1%)
82 (3.0%)
Atbash Cipher Atbash Cipher
1,008
4,564 (avg. 4.5)
937 (93.0%)
22 (2.2%)
Binary Search Binary Search
3,455
29,599 (avg. 8.6)
2,765 (80.0%)
202 (5.8%)
Binary Search Tree Binary Search Tree
1,378
7,427 (avg. 5.4)
1,192 (86.5%)
30 (2.2%)
Bob Bob
8,390
29,864 (avg. 3.6)
7,001 (83.4%)
2,367 (28.2%)
Bottle Song Bottle Song
595
3,028 (avg. 5.1)
540 (90.8%)
7 (1.2%)
D&D Character D&D Character
991
3,170 (avg. 3.2)
859 (86.7%)
49 (4.9%)
Eliud's Eggs Eliud's Eggs
1,500
5,493 (avg. 3.7)
1,345 (89.7%)
22 (1.5%)
Flatten Array Flatten Array
2,726
11,278 (avg. 4.1)
2,508 (92.0%)
69 (2.5%)
Gigasecond Gigasecond
1,511
3,770 (avg. 2.5)
1,341 (88.7%)
37 (2.4%)
Grade School Grade School
1,856
6,987 (avg. 3.8)
1,663 (89.6%)
72 (3.9%)
Grains Grains
1,440
4,049 (avg. 2.8)
1,360 (94.4%)
33 (2.3%)
House House
507
3,033 (avg. 6.0)
445 (87.8%)
6 (1.2%)
ISBN Verifier ISBN Verifier
809
3,952 (avg. 4.9)
687 (84.9%)
28 (3.5%)
Isogram Isogram
1,247
2,916 (avg. 2.3)
1,146 (91.9%)
53 (4.3%)
Kindergarten Garden Kindergarten Garden
976
4,662 (avg. 4.8)
863 (88.4%)
19 (1.9%)
Leap Leap
6,659
28,324 (avg. 4.3)
6,257 (94.0%)
131 (2.0%)
Matching Brackets Matching Brackets
1,634
5,055 (avg. 3.1)
1,446 (88.5%)
79 (4.8%)
Matrix Matrix
1,375
6,786 (avg. 4.9)
1,155 (84.0%)
43 (3.1%)
Pascal's Triangle Pascal's Triangle
952
3,093 (avg. 3.2)
844 (88.7%)
17 (1.8%)
Perfect Numbers Perfect Numbers
1,250
5,648 (avg. 4.5)
1,139 (91.1%)
26 (2.1%)
Prime Factors Prime Factors
1,338
4,098 (avg. 3.1)
1,189 (88.9%)
26 (1.9%)
Proverb Proverb
542
2,582 (avg. 4.8)
492 (90.8%)
10 (1.8%)
Resistor Color Trio Resistor Color Trio
2,102
16,913 (avg. 8.0)
1,875 (89.2%)
46 (2.2%)
Say Say
942
5,585 (avg. 5.9)
767 (81.4%)
30 (3.2%)
Simple Cipher Simple Cipher
549
3,334 (avg. 6.1)
452 (82.3%)
13 (2.4%)
Twelve Days Twelve Days
1,744
3,748 (avg. 2.1)
1,504 (86.2%)
83 (4.8%)
Word Count Word Count
7,731
19,144 (avg. 2.5)
6,439 (83.3%)
2,413 (31.2%)
Allergies Allergies
1,313
5,725 (avg. 4.4)
1,127 (85.8%)
35 (2.7%)
Complex Numbers Complex Numbers
600
4,432 (avg. 7.4)
540 (90.0%)
10 (1.7%)
Crypto Square Crypto Square
557
3,366 (avg. 6.0)
483 (86.7%)
17 (3.1%)
Difference of Squares Difference of Squares
632
1,365 (avg. 2.2)
572 (90.5%)
16 (2.5%)
Dominoes Dominoes
543
3,201 (avg. 5.9)
379 (69.8%)
12 (2.2%)
Grep Grep
527
5,754 (avg. 10.9)
380 (72.1%)
17 (3.2%)
Killer Sudoku Helper Killer Sudoku Helper
272
1,739 (avg. 6.4)
224 (82.4%)
5 (1.8%)
Largest Series Product Largest Series Product
615
2,448 (avg. 4.0)
546 (88.8%)
12 (2.0%)
Meetup Meetup
1,001
2,957 (avg. 3.0)
851 (85.0%)
38 (3.8%)
Parallel Letter Frequency Parallel Letter Frequency
1,233
5,916 (avg. 4.8)
930 (75.4%)
53 (4.3%)
Phone Number Phone Number
1,430
4,995 (avg. 3.5)
1,265 (88.5%)
68 (4.8%)
Rational Numbers Rational Numbers
4,510
69,250 (avg. 15.4)
2,933 (65.0%)
134 (3.0%)
Simple Linked List Simple Linked List
1,193
5,261 (avg. 4.4)
974 (81.6%)
37 (3.1%)
Spiral Matrix Spiral Matrix
620
3,284 (avg. 5.3)
400 (64.5%)
10 (1.6%)
Tournament Tournament
907
6,384 (avg. 7.0)
647 (71.3%)
58 (6.4%)
Affine Cipher Affine Cipher
297
3,357 (avg. 11.3)
246 (82.8%)
5 (1.7%)
Bank Account Bank Account
1,750
5,128 (avg. 2.9)
1,404 (80.2%)
448 (25.6%)
Clock Clock
550
3,396 (avg. 6.2)
449 (81.6%)
34 (6.2%)
Custom Set Custom Set
460
3,116 (avg. 6.8)
365 (79.3%)
14 (3.0%)
Diamond Diamond
527
2,421 (avg. 4.6)
431 (81.8%)
12 (2.3%)
Food Chain Food Chain
313
2,332 (avg. 7.5)
244 (78.0%)
5 (1.6%)
Intergalactic Transmission Intergalactic Transmission
126
1,487 (avg. 11.8)
93 (73.8%)
1 (0.8%)
Luhn Luhn
825
4,573 (avg. 5.5)
698 (84.6%)
30 (3.6%)
Palindrome Products Palindrome Products
486
2,190 (avg. 4.5)
391 (80.5%)
13 (2.7%)
Pythagorean Triplet Pythagorean Triplet
485
1,427 (avg. 2.9)
414 (85.4%)
12 (2.5%)
Saddle Points Saddle Points
513
2,077 (avg. 4.0)
420 (81.9%)
14 (2.7%)
Sieve Sieve
659
2,569 (avg. 3.9)
566 (85.9%)
20 (3.0%)
Split-Second Stopwatch Split-Second Stopwatch
72
471 (avg. 6.5)
58 (80.6%)
2 (2.8%)
Square Root Square Root
1,016
4,099 (avg. 4.0)
888 (87.4%)
14 (1.4%)
Transpose Transpose
476
3,850 (avg. 8.1)
326 (68.5%)
11 (2.3%)
Yacht Yacht
435
3,615 (avg. 8.3)
389 (89.4%)
13 (3.0%)
Baffling Birthdays Baffling Birthdays
64
270 (avg. 4.2)
52 (81.3%)
2 (3.1%)
Camicia Camicia
45
348 (avg. 7.7)
27 (60.0%)
2 (4.4%)
Game of Life Game of Life
161
682 (avg. 4.2)
115 (71.4%)
3 (1.9%)
Knapsack Knapsack
664
4,294 (avg. 6.5)
415 (62.5%)
16 (2.4%)
Ledger Ledger
263
2,259 (avg. 8.6)
192 (73.0%)
12 (4.6%)
List Ops List Ops
2,955
9,593 (avg. 3.2)
2,549 (86.3%)
767 (26.0%)
Markdown Markdown
1,449
3,489 (avg. 2.4)
973 (67.1%)
528 (36.4%)
OCR Numbers OCR Numbers
363
2,081 (avg. 5.7)
272 (74.9%)
12 (3.3%)
Prism Prism
40
244 (avg. 6.1)
26 (65.0%)
3 (7.5%)
Rail Fence Cipher Rail Fence Cipher
350
2,077 (avg. 5.9)
250 (71.4%)
10 (2.9%)
Relative Distance Relative Distance
63
276 (avg. 4.4)
44 (69.8%)
1 (1.6%)
Robot Simulator Robot Simulator
2,016
6,636 (avg. 3.3)
1,519 (75.3%)
698 (34.6%)
Satellite Satellite
234
1,186 (avg. 5.1)
178 (76.1%)
3 (1.3%)
State of Tic-Tac-Toe State of Tic-Tac-Toe
279
1,866 (avg. 6.7)
193 (69.2%)
5 (1.8%)
Swift Scheduling Swift Scheduling
81
428 (avg. 5.3)
67 (82.7%)
1 (1.2%)
Variable Length Quantity Variable Length Quantity
487
5,478 (avg. 11.2)
333 (68.4%)
15 (3.1%)
Alphametics Alphametics
272
2,176 (avg. 8.0)
149 (54.8%)
10 (3.7%)
Change Change
881
5,851 (avg. 6.6)
578 (65.6%)
37 (4.2%)
Connect Connect
276
1,212 (avg. 4.4)
177 (64.1%)
8 (2.9%)
Flower Field Flower Field
43
145 (avg. 3.4)
35 (81.4%)
1 (2.3%)
Piecing It Together Piecing It Together
58
362 (avg. 6.2)
41 (70.7%)
1 (1.7%)
Queen Attack Queen Attack
595
2,513 (avg. 4.2)
484 (81.3%)
35 (5.9%)
Rectangles Rectangles
163
1,220 (avg. 7.5)
116 (71.2%)
2 (1.2%)
Two Bucket Two Bucket
158
860 (avg. 5.4)
109 (69.0%)
4 (2.5%)
Word Search Word Search
190
1,623 (avg. 8.5)
118 (62.1%)
3 (1.6%)
Wordy Wordy
364
1,352 (avg. 3.7)
295 (81.0%)
11 (3.0%)
Book Store Book Store
175
732 (avg. 4.2)
105 (60.0%)
3 (1.7%)
Bowling Bowling
738
3,414 (avg. 4.6)
395 (53.5%)
176 (23.8%)
Circular Buffer Circular Buffer
331
2,114 (avg. 6.4)
244 (73.7%)
17 (5.1%)
DOT DSL DOT DSL
384
2,030 (avg. 5.3)
208 (54.2%)
17 (4.4%)
Poker Poker
338
1,431 (avg. 4.2)
161 (47.6%)
14 (4.1%)
React React
279
2,331 (avg. 8.4)
140 (50.2%)
10 (3.6%)
SGF Parsing SGF Parsing
111
1,374 (avg. 12.4)
74 (66.7%)
0 (0.0%)
Zipper Zipper
854
1,650 (avg. 1.9)
529 (61.9%)
253 (29.6%)
Go Counting Go Counting
126
702 (avg. 5.6)
77 (61.1%)
3 (2.4%)
POV POV
134
1,143 (avg. 8.5)
93 (69.4%)
1 (0.7%)
Zebra Puzzle Zebra Puzzle
352
1,847 (avg. 5.2)
149 (42.3%)
3 (0.9%)
Forth Forth
512
3,136 (avg. 6.1)
320 (62.5%)
137 (26.8%)
7 deprecated practice exercises
Started
Attempts
Completions
Mentoring requests
Accumulate Accumulate
2,707
4,664 (avg. 1.7)
2,498 (92.3%)
149 (5.5%)
Beer Song Beer Song
2,625
6,632 (avg. 2.5)
2,278 (86.8%)
919 (35.0%)
Binary Binary
472
615 (avg. 1.3)
418 (88.6%)
28 (5.9%)
Diffie-Hellman Diffie-Hellman
427
1,151 (avg. 2.7)
330 (77.3%)
7 (1.6%)
Hexadecimal Hexadecimal
276
329 (avg. 1.2)
235 (85.1%)
12 (4.3%)
Minesweeper Minesweeper
383
1,569 (avg. 4.1)
290 (75.7%)
10 (2.6%)
Scale Generator Scale Generator
416
2,059 (avg. 4.9)
288 (69.2%)
12 (2.9%)
6 unimplemented practice exercises
Error Handling Error Handling
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Lens Person Lens Person
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PaaS I/O PaaS I/O
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Resistor Color Tolerance Resistor Color Tolerance
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Save the Cow Save the Cow
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Tree Building Tree Building
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6 foregone practice exercises
High Scores High Scores
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Linked List Linked List
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Micro Blog Micro Blog
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REST API REST API
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Reverse String Reverse String
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Robot Name Robot Name
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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: cb505f4ee6207853bb135527ca97423fb44f39f1 (Takes up to 10 mins to deploy)

Total Test Runner Runs
3,555,563
Test Run Pass Rate
20.4% (726007)
Test Run Fail Rate
55.6% (1975365)
Test Run Error Rate
24.0% (854191)

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: 87349a7629497824642a27f86a0bb15be4dd52ed (Takes up to 10 mins to deploy)

Total Representer Runs
714,022
Total Representation Comments Made
38,205
Feedback Given Frequency
5.4%

Analyzer

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

Current version: 73674b5797f9953a3fcfef2741e8172a07cbafa6 (Takes up to 10 mins to deploy)

Total Analyzer Runs
715,695
Total Analysis Comments Made
658,601
Feedback Given Frequency
8.8%