Elixir
Elixir
About ElixirLearnPractice

Elixir Track Management

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

Students
51,474
Submissions
3,616,703
Mentoring Discussions
27,781

The Elixir track is exemplar ✨

Building

Elixir 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.

58 concepts being taught
Ba
Basics
22,795 learnt
Bo
Booleans
18,665 learnt
Fl
Floating Point Numbers
16,542 learnt
In
Integers
16,542 learnt
An
Anonymous Functions
16,498 learnt
Bi
Bit Manipulation
16,498 learnt
At
Atoms
14,493 learnt
Co
Cond
14,493 learnt
Li
Lists
14,207 learnt
De
Default Arguments
12,961 learnt
Gu
Guards
12,961 learnt
Mu
Multiple Clause Functions
12,961 learnt
Pa
Pattern Matching
11,634 learnt
Tu
Tuples
11,634 learnt
Pi
Pipe Operator
10,617 learnt
St
Strings
10,617 learnt
Re
Recursion
9,950 learnt
Ma
Maps
9,391 learnt
Mo
Module Attributes As Constants
9,391 learnt
Do
Docs
7,852 learnt
Ty
Typespecs
7,852 learnt
Ca
Case
7,511 learnt
Ch
Charlists
7,511 learnt
IO
IO
6,980 learnt
If
If
7,580 learnt
Ni
Nil
7,580 learnt
PI
PIDs
6,302 learnt
Pr
Processes
6,302 learnt
Ke
Keyword Lists
5,959 learnt
Bi
Bitstrings
3,208 learnt
Ta
Tail Call Recursion
4,353 learnt
Da
Dates and Time
4,582 learnt
Ac
Access Behaviour
4,545 learnt
En
Enum
4,945 learnt
Bi
Binaries
3,389 learnt
Fi
File
3,416 learnt
Ra
Ranges
3,464 learnt
St
Structs
4,049 learnt
Li
List Comprehensions
3,441 learnt
Ag
Agent
3,171 learnt
Pr
Protocols
3,006 learnt
Er
Erlang Libraries
2,800 learnt
Ra
Randomness
2,800 learnt
Al
Alias
3,126 learnt
Im
Import
3,126 learnt
Er
Errors
3,112 learnt
Tr
Try/Rescue
3,112 learnt
Ex
Exceptions
2,584 learnt
Li
Links
2,301 learnt
Ta
Tasks
2,301 learnt
St
Streams
2,462 learnt
Wi
With
2,379 learnt
AS
AST
2,452 learnt
Be
Behaviours
1,975 learnt
Us
Use
1,975 learnt
Ge
GenServer
1,653 learnt
Re
Regular Expressions
2,685 learnt
Ma
MapSets
381 learnt
41 active learning exercises
Started
Attempts
Completions
Mentoring requests
Lasagna Lasagna
25,306
122,640 (avg. 4.8)
22,795 (90.1%)
374 (1.5%)
Pacman Rules Pacman Rules
19,584
92,113 (avg. 4.7)
18,665 (95.3%)
250 (1.3%)
Freelancer Rates Freelancer Rates
18,080
238,688 (avg. 13.2)
16,542 (91.5%)
386 (2.1%)
Secrets Secrets
18,235
169,200 (avg. 9.3)
16,498 (90.5%)
329 (1.8%)
Log Level Log Level
15,362
123,843 (avg. 8.1)
14,493 (94.3%)
341 (2.2%)
Language List Language List
14,633
84,163 (avg. 5.8)
14,207 (97.1%)
232 (1.6%)
Guessing Game Guessing Game
13,410
127,562 (avg. 9.5)
12,961 (96.7%)
314 (2.3%)
Kitchen Calculator Kitchen Calculator
12,300
100,389 (avg. 8.2)
11,634 (94.6%)
317 (2.6%)
High School Sweetheart High School Sweetheart
10,989
134,725 (avg. 12.3)
10,617 (96.6%)
256 (2.3%)
Bird Count Bird Count
10,428
120,534 (avg. 11.6)
9,950 (95.4%)
308 (3.0%)
High Score High Score
9,754
100,039 (avg. 10.3)
9,391 (96.3%)
230 (2.4%)
City Office City Office
8,371
85,384 (avg. 10.2)
7,852 (93.8%)
190 (2.3%)
German Sysadmin German Sysadmin
8,296
102,118 (avg. 12.3)
7,511 (90.5%)
273 (3.3%)
RPG Character Sheet RPG Character Sheet
7,282
82,582 (avg. 11.3)
6,980 (95.9%)
210 (2.9%)
Name Badge Name Badge
7,766
52,048 (avg. 6.7)
7,580 (97.6%)
193 (2.5%)
Take-A-Number Take-A-Number
6,896
70,919 (avg. 10.3)
6,302 (91.4%)
238 (3.5%)
Wine Cellar Wine Cellar
6,386
72,035 (avg. 11.3)
5,959 (93.3%)
266 (4.2%)
Paint By Number Paint By Number
3,733
40,020 (avg. 10.7)
3,208 (85.9%)
127 (3.4%)
DNA Encoding DNA Encoding
4,771
69,339 (avg. 14.5)
4,353 (91.2%)
226 (4.7%)
Library Fees Library Fees
4,943
68,756 (avg. 13.9)
4,582 (92.7%)
229 (4.6%)
Basketball Website Basketball Website
4,815
25,979 (avg. 5.4)
4,545 (94.4%)
185 (3.8%)
Boutique Inventory Boutique Inventory
5,229
66,182 (avg. 12.7)
4,945 (94.6%)
218 (4.2%)
File Sniffer File Sniffer
3,566
27,461 (avg. 7.7)
3,389 (95.0%)
200 (5.6%)
Newsletter Newsletter
3,577
37,026 (avg. 10.4)
3,416 (95.5%)
183 (5.1%)
Chessboard Chessboard
3,517
17,469 (avg. 5.0)
3,464 (98.5%)
152 (4.3%)
Remote Control Car Remote Control Car
4,208
49,971 (avg. 11.9)
4,049 (96.2%)
205 (4.9%)
Boutique Suggestions Boutique Suggestions
3,547
27,992 (avg. 7.9)
3,441 (97.0%)
176 (5.0%)
Community Garden Community Garden
3,414
48,045 (avg. 14.1)
3,171 (92.9%)
200 (5.9%)
Bread And Potions Bread And Potions
3,120
18,723 (avg. 6.0)
3,006 (96.3%)
175 (5.6%)
Captain's Log Captain's Log
2,870
19,776 (avg. 6.9)
2,800 (97.6%)
156 (5.4%)
Need For Speed Need For Speed
3,189
10,344 (avg. 3.2)
3,126 (98.0%)
147 (4.6%)
RPN Calculator RPN Calculator
3,196
17,797 (avg. 5.6)
3,112 (97.4%)
158 (4.9%)
Stack Underflow Stack Underflow
2,684
19,548 (avg. 7.3)
2,584 (96.3%)
157 (5.8%)
RPN Calculator Inspection RPN Calculator Inspection
2,600
32,542 (avg. 12.5)
2,301 (88.5%)
184 (7.1%)
Lucas Numbers Lucas Numbers
2,616
21,788 (avg. 8.3)
2,462 (94.1%)
170 (6.5%)
New Passport New Passport
2,493
19,674 (avg. 7.9)
2,379 (95.4%)
154 (6.2%)
Top Secret Top Secret
2,978
55,857 (avg. 18.8)
2,452 (82.3%)
206 (6.9%)
Dancing Dots Dancing Dots
2,098
22,514 (avg. 10.7)
1,975 (94.1%)
167 (8.0%)
Take-A-Number Deluxe Take-A-Number Deluxe
1,908
28,553 (avg. 15.0)
1,653 (86.6%)
154 (8.1%)
Log Parser Log Parser
2,988
35,885 (avg. 12.0)
2,685 (89.9%)
164 (5.5%)
Gotta Snatch'Em All Gotta Snatch'Em All
432
5,208 (avg. 12.1)
381 (88.2%)
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

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: edbd8e351d81f6cf4b8420558a1b44c1230bb2d1 (Updates should be instant)

Next goal: Implement 132 practice exercises. Find out more.
127 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
44,762
66,504 (avg. 1.5)
39,504 (88.3%)
49 (0.1%)
Resistor Color Resistor Color
4,168
8,650 (avg. 2.1)
3,926 (94.2%)
73 (1.8%)
Two Fer Two Fer
4,943
23,463 (avg. 4.7)
4,625 (93.6%)
75 (1.5%)
Acronym Acronym
4,180
12,503 (avg. 3.0)
3,871 (92.6%)
154 (3.7%)
All Your Base All Your Base
2,075
16,666 (avg. 8.0)
1,729 (83.3%)
66 (3.2%)
Anagram Anagram
3,330
12,279 (avg. 3.7)
3,069 (92.2%)
185 (5.6%)
Armstrong Numbers Armstrong Numbers
1,524
5,209 (avg. 3.4)
1,448 (95.0%)
26 (1.7%)
Collatz Conjecture Collatz Conjecture
3,840
31,481 (avg. 8.2)
3,524 (91.8%)
83 (2.2%)
Darts Darts
6,600
31,473 (avg. 4.8)
5,575 (84.5%)
143 (2.2%)
ETL ETL
1,929
6,511 (avg. 3.4)
1,771 (91.8%)
52 (2.7%)
Hamming Hamming
2,423
7,693 (avg. 3.2)
2,268 (93.6%)
132 (5.4%)
Line Up Line Up
191
693 (avg. 3.6)
176 (92.1%)
2 (1.0%)
Nth Prime Nth Prime
1,741
6,593 (avg. 3.8)
1,519 (87.2%)
51 (2.9%)
Nucleotide Count Nucleotide Count
8,119
14,855 (avg. 1.8)
6,932 (85.4%)
521 (6.4%)
Pangram Pangram
1,970
6,116 (avg. 3.1)
1,841 (93.5%)
68 (3.5%)
Pig Latin Pig Latin
2,546
10,879 (avg. 4.3)
1,963 (77.1%)
123 (4.8%)
Protein Translation Protein Translation
3,203
12,051 (avg. 3.8)
2,743 (85.6%)
194 (6.1%)
Raindrops Raindrops
2,874
7,769 (avg. 2.7)
2,667 (92.8%)
98 (3.4%)
Resistor Color Duo Resistor Color Duo
2,698
12,040 (avg. 4.5)
2,573 (95.4%)
32 (1.2%)
RNA Transcription RNA Transcription
7,947
13,560 (avg. 1.7)
5,998 (75.5%)
3,167 (39.9%)
Roman Numerals Roman Numerals
4,841
13,071 (avg. 2.7)
3,772 (77.9%)
1,340 (27.7%)
Rotational Cipher Rotational Cipher
3,664
8,265 (avg. 2.3)
3,061 (83.5%)
200 (5.5%)
Run-Length Encoding Run-Length Encoding
2,699
9,397 (avg. 3.5)
2,435 (90.2%)
125 (4.6%)
Scrabble Score Scrabble Score
2,560
7,347 (avg. 2.9)
2,396 (93.6%)
91 (3.6%)
Secret Handshake Secret Handshake
5,044
14,565 (avg. 2.9)
4,004 (79.4%)
296 (5.9%)
Series Series
2,166
6,598 (avg. 3.0)
1,960 (90.5%)
74 (3.4%)
Space Age Space Age
5,713
20,504 (avg. 3.6)
5,230 (91.5%)
161 (2.8%)
Strain Strain
4,248
11,232 (avg. 2.6)
3,771 (88.8%)
195 (4.6%)
Sublist Sublist
3,416
16,000 (avg. 4.7)
2,947 (86.3%)
166 (4.9%)
Sum of Multiples Sum of Multiples
1,794
4,869 (avg. 2.7)
1,663 (92.7%)
70 (3.9%)
Triangle Triangle
2,774
11,453 (avg. 4.1)
2,611 (94.1%)
82 (3.0%)
Atbash Cipher Atbash Cipher
1,005
4,552 (avg. 4.5)
935 (93.0%)
22 (2.2%)
Binary Search Binary Search
3,452
29,578 (avg. 8.6)
2,761 (80.0%)
202 (5.9%)
Binary Search Tree Binary Search Tree
1,374
7,424 (avg. 5.4)
1,191 (86.7%)
30 (2.2%)
Bob Bob
8,384
29,844 (avg. 3.6)
6,996 (83.4%)
2,367 (28.2%)
Bottle Song Bottle Song
591
2,989 (avg. 5.1)
537 (90.9%)
7 (1.2%)
D&D Character D&D Character
989
3,158 (avg. 3.2)
858 (86.8%)
49 (5.0%)
Eliud's Eggs Eliud's Eggs
1,490
5,471 (avg. 3.7)
1,338 (89.8%)
22 (1.5%)
Flatten Array Flatten Array
2,722
11,273 (avg. 4.1)
2,505 (92.0%)
69 (2.5%)
Gigasecond Gigasecond
1,507
3,762 (avg. 2.5)
1,339 (88.9%)
37 (2.5%)
Grade School Grade School
1,853
6,980 (avg. 3.8)
1,661 (89.6%)
72 (3.9%)
Grains Grains
1,438
4,044 (avg. 2.8)
1,359 (94.5%)
33 (2.3%)
House House
505
3,017 (avg. 6.0)
444 (87.9%)
6 (1.2%)
ISBN Verifier ISBN Verifier
805
3,895 (avg. 4.8)
684 (85.0%)
28 (3.5%)
Isogram Isogram
1,245
2,911 (avg. 2.3)
1,145 (92.0%)
53 (4.3%)
Kindergarten Garden Kindergarten Garden
973
4,650 (avg. 4.8)
861 (88.5%)
19 (2.0%)
Leap Leap
6,646
28,251 (avg. 4.3)
6,245 (94.0%)
131 (2.0%)
Matching Brackets Matching Brackets
1,631
5,014 (avg. 3.1)
1,444 (88.5%)
79 (4.8%)
Matrix Matrix
1,373
6,771 (avg. 4.9)
1,154 (84.0%)
43 (3.1%)
Pascal's Triangle Pascal's Triangle
950
3,088 (avg. 3.3)
843 (88.7%)
17 (1.8%)
Perfect Numbers Perfect Numbers
1,247
5,644 (avg. 4.5)
1,137 (91.2%)
26 (2.1%)
Prime Factors Prime Factors
1,334
4,085 (avg. 3.1)
1,187 (89.0%)
26 (1.9%)
Proverb Proverb
540
2,576 (avg. 4.8)
491 (90.9%)
10 (1.9%)
Resistor Color Trio Resistor Color Trio
2,098
16,872 (avg. 8.0)
1,872 (89.2%)
46 (2.2%)
Say Say
938
5,542 (avg. 5.9)
764 (81.4%)
30 (3.2%)
Simple Cipher Simple Cipher
545
3,319 (avg. 6.1)
451 (82.8%)
13 (2.4%)
Twelve Days Twelve Days
1,741
3,731 (avg. 2.1)
1,503 (86.3%)
83 (4.8%)
Word Count Word Count
7,730
19,131 (avg. 2.5)
6,438 (83.3%)
2,413 (31.2%)
Allergies Allergies
1,309
5,715 (avg. 4.4)
1,126 (86.0%)
35 (2.7%)
Complex Numbers Complex Numbers
596
4,405 (avg. 7.4)
537 (90.1%)
10 (1.7%)
Crypto Square Crypto Square
555
3,348 (avg. 6.0)
482 (86.8%)
17 (3.1%)
Difference of Squares Difference of Squares
630
1,360 (avg. 2.2)
571 (90.6%)
16 (2.5%)
Dominoes Dominoes
542
3,162 (avg. 5.8)
378 (69.7%)
12 (2.2%)
Grep Grep
525
5,698 (avg. 10.9)
377 (71.8%)
17 (3.2%)
Killer Sudoku Helper Killer Sudoku Helper
270
1,731 (avg. 6.4)
222 (82.2%)
5 (1.9%)
Largest Series Product Largest Series Product
613
2,439 (avg. 4.0)
545 (88.9%)
12 (2.0%)
Meetup Meetup
997
2,937 (avg. 2.9)
848 (85.1%)
38 (3.8%)
Parallel Letter Frequency Parallel Letter Frequency
1,232
5,907 (avg. 4.8)
929 (75.4%)
53 (4.3%)
Phone Number Phone Number
1,428
4,962 (avg. 3.5)
1,263 (88.4%)
68 (4.8%)
Rational Numbers Rational Numbers
4,497
69,069 (avg. 15.4)
2,923 (65.0%)
133 (3.0%)
Simple Linked List Simple Linked List
1,190
5,235 (avg. 4.4)
971 (81.6%)
37 (3.1%)
Spiral Matrix Spiral Matrix
617
3,266 (avg. 5.3)
399 (64.7%)
10 (1.6%)
Tournament Tournament
906
6,381 (avg. 7.0)
646 (71.3%)
58 (6.4%)
Affine Cipher Affine Cipher
297
3,328 (avg. 11.2)
245 (82.5%)
5 (1.7%)
Bank Account Bank Account
1,750
5,128 (avg. 2.9)
1,404 (80.2%)
448 (25.6%)
Clock Clock
548
3,383 (avg. 6.2)
447 (81.6%)
34 (6.2%)
Custom Set Custom Set
457
3,096 (avg. 6.8)
363 (79.4%)
14 (3.1%)
Diamond Diamond
526
2,398 (avg. 4.6)
430 (81.7%)
12 (2.3%)
Food Chain Food Chain
311
2,331 (avg. 7.5)
243 (78.1%)
5 (1.6%)
Intergalactic Transmission Intergalactic Transmission
124
1,474 (avg. 11.9)
91 (73.4%)
1 (0.8%)
Luhn Luhn
823
4,531 (avg. 5.5)
696 (84.6%)
30 (3.6%)
Palindrome Products Palindrome Products
484
2,163 (avg. 4.5)
389 (80.4%)
13 (2.7%)
Pythagorean Triplet Pythagorean Triplet
483
1,421 (avg. 2.9)
413 (85.5%)
12 (2.5%)
Saddle Points Saddle Points
511
2,041 (avg. 4.0)
418 (81.8%)
14 (2.7%)
Sieve Sieve
657
2,555 (avg. 3.9)
564 (85.8%)
20 (3.0%)
Split-Second Stopwatch Split-Second Stopwatch
71
417 (avg. 5.9)
57 (80.3%)
2 (2.8%)
Square Root Square Root
1,015
4,099 (avg. 4.0)
888 (87.5%)
14 (1.4%)
Transpose Transpose
475
3,821 (avg. 8.0)
325 (68.4%)
11 (2.3%)
Yacht Yacht
434
3,600 (avg. 8.3)
387 (89.2%)
13 (3.0%)
Baffling Birthdays Baffling Birthdays
62
250 (avg. 4.0)
49 (79.0%)
2 (3.2%)
Camicia Camicia
42
309 (avg. 7.4)
25 (59.5%)
1 (2.4%)
Game of Life Game of Life
157
647 (avg. 4.1)
112 (71.3%)
3 (1.9%)
Knapsack Knapsack
659
4,268 (avg. 6.5)
411 (62.4%)
16 (2.4%)
Ledger Ledger
259
2,208 (avg. 8.5)
188 (72.6%)
12 (4.6%)
List Ops List Ops
2,951
9,556 (avg. 3.2)
2,545 (86.2%)
767 (26.0%)
Markdown Markdown
1,446
3,459 (avg. 2.4)
970 (67.1%)
528 (36.5%)
OCR Numbers OCR Numbers
359
2,056 (avg. 5.7)
268 (74.7%)
12 (3.3%)
Prism Prism
38
211 (avg. 5.6)
24 (63.2%)
3 (7.9%)
Rail Fence Cipher Rail Fence Cipher
348
2,013 (avg. 5.8)
248 (71.3%)
10 (2.9%)
Relative Distance Relative Distance
61
204 (avg. 3.3)
41 (67.2%)
1 (1.6%)
Robot Simulator Robot Simulator
2,012
6,567 (avg. 3.3)
1,514 (75.2%)
698 (34.7%)
Satellite Satellite
231
1,130 (avg. 4.9)
174 (75.3%)
3 (1.3%)
State of Tic-Tac-Toe State of Tic-Tac-Toe
276
1,835 (avg. 6.6)
190 (68.8%)
5 (1.8%)
Swift Scheduling Swift Scheduling
78
333 (avg. 4.3)
64 (82.1%)
1 (1.3%)
Variable Length Quantity Variable Length Quantity
483
5,385 (avg. 11.1)
330 (68.3%)
15 (3.1%)
Alphametics Alphametics
269
1,889 (avg. 7.0)
146 (54.3%)
10 (3.7%)
Change Change
880
5,837 (avg. 6.6)
578 (65.7%)
37 (4.2%)
Connect Connect
276
1,212 (avg. 4.4)
177 (64.1%)
8 (2.9%)
Flower Field Flower Field
42
136 (avg. 3.2)
34 (81.0%)
1 (2.4%)
Piecing It Together Piecing It Together
57
350 (avg. 6.1)
40 (70.2%)
1 (1.8%)
Queen Attack Queen Attack
594
2,496 (avg. 4.2)
483 (81.3%)
35 (5.9%)
Rectangles Rectangles
161
1,196 (avg. 7.4)
114 (70.8%)
2 (1.2%)
Two Bucket Two Bucket
156
847 (avg. 5.4)
108 (69.2%)
4 (2.6%)
Word Search Word Search
188
1,568 (avg. 8.3)
116 (61.7%)
3 (1.6%)
Wordy Wordy
363
1,335 (avg. 3.7)
294 (81.0%)
11 (3.0%)
Book Store Book Store
174
728 (avg. 4.2)
104 (59.8%)
3 (1.7%)
Bowling Bowling
737
3,411 (avg. 4.6)
394 (53.5%)
176 (23.9%)
Circular Buffer Circular Buffer
330
2,112 (avg. 6.4)
243 (73.6%)
17 (5.2%)
DOT DSL DOT DSL
384
2,030 (avg. 5.3)
208 (54.2%)
17 (4.4%)
Poker Poker
337
1,429 (avg. 4.2)
160 (47.5%)
14 (4.2%)
React React
277
2,331 (avg. 8.4)
140 (50.5%)
10 (3.6%)
SGF Parsing SGF Parsing
111
1,374 (avg. 12.4)
74 (66.7%)
0 (0.0%)
Zipper Zipper
853
1,650 (avg. 1.9)
529 (62.0%)
253 (29.7%)
Go Counting Go Counting
126
702 (avg. 5.6)
77 (61.1%)
3 (2.4%)
POV POV
133
1,097 (avg. 8.2)
92 (69.2%)
1 (0.8%)
Zebra Puzzle Zebra Puzzle
348
1,809 (avg. 5.2)
146 (42.0%)
3 (0.9%)
Forth Forth
510
3,055 (avg. 6.0)
318 (62.4%)
137 (26.9%)
7 deprecated practice exercises
Started
Attempts
Completions
Mentoring requests
Accumulate Accumulate
2,707
4,662 (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%)
5 unimplemented practice exercises
Error Handling Error Handling
View dataThe link opens in a new window or tab
Lens Person Lens Person
View dataThe link opens in a new window or tab
PaaS I/O PaaS I/O
View dataThe link opens in a new window or tab
Save the Cow Save the Cow
View dataThe link opens in a new window or tab
Tree Building Tree Building
View dataThe link opens in a new window or tab
6 foregone practice exercises
High Scores High Scores
View dataThe link opens in a new window or tab
Linked List Linked List
View dataThe link opens in a new window or tab
Micro Blog Micro Blog
View dataThe link opens in a new window or tab
REST API REST API
View dataThe link opens in a new window or tab
Reverse String Reverse String
View dataThe link opens in a new window or tab
Robot Name Robot Name
View dataThe link opens in a new window or tab

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: cb505f4ee6207853bb135527ca97423fb44f39f1 (Takes up to 10 mins to deploy)

Total Test Runner Runs
3,541,540
Test Run Pass Rate
20.4% (722882)
Test Run Fail Rate
55.6% (1968138)
Test Run Error Rate
24.0% (850520)

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

Total Representer Runs
711,578
Total Representation Comments Made
38,047
Feedback Given Frequency
5.3%

Analyzer

Learn More

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
713,251
Total Analysis Comments Made
656,612
Feedback Given Frequency
8.8%