Raku Track Management

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

Students
1,097
Submissions
40,639
Mentoring Discussions
326

The Raku track needs attention ⚠️

Building

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: cfb07ba2361cc8796eee04d879fdc666585b371f (Updates should be instant)

Next goal: Implement 135 practice exercises. Find out more.
81 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
766
1,385 (avg. 1.8)
603 (78.7%)
0 (0.0%)
Leap Leap
378
1,582 (avg. 4.2)
300 (79.4%)
78 (20.6%)
Bob Bob
242
2,454 (avg. 10.1)
148 (61.2%)
43 (17.8%)
Nucleotide Count Nucleotide Count
129
1,171 (avg. 9.1)
95 (73.6%)
23 (17.8%)
Pangram Pangram
110
886 (avg. 8.1)
91 (82.7%)
20 (18.2%)
Clock Clock
81
841 (avg. 10.4)
61 (75.3%)
16 (19.8%)
Raindrops Raindrops
109
1,284 (avg. 11.8)
99 (90.8%)
16 (14.7%)
Phone Number Phone Number
116
1,922 (avg. 16.6)
97 (83.6%)
12 (10.3%)
Allergies Allergies
57
815 (avg. 14.3)
46 (80.7%)
8 (14.0%)
All Your Base All Your Base
46
1,507 (avg. 32.8)
39 (84.8%)
9 (19.6%)
Robot Name Robot Name
47
502 (avg. 10.7)
39 (83.0%)
5 (10.6%)
Two Fer Two Fer
157
304 (avg. 1.9)
136 (86.6%)
9 (5.7%)
Luhn Luhn
93
1,721 (avg. 18.5)
78 (83.9%)
10 (10.8%)
RNA Transcription RNA Transcription
68
282 (avg. 4.1)
64 (94.1%)
3 (4.4%)
Hamming Hamming
68
417 (avg. 6.1)
61 (89.7%)
4 (5.9%)
Anagram Anagram
51
465 (avg. 9.1)
46 (90.2%)
5 (9.8%)
Word Count Word Count
56
575 (avg. 10.3)
49 (87.5%)
5 (8.9%)
ETL ETL
50
1,094 (avg. 21.9)
43 (86.0%)
5 (10.0%)
Meetup Meetup
31
1,035 (avg. 33.4)
25 (80.6%)
1 (3.2%)
Accumulate Accumulate
75
412 (avg. 5.5)
65 (86.7%)
5 (6.7%)
Acronym Acronym
64
984 (avg. 15.4)
50 (78.1%)
5 (7.8%)
Grains Grains
82
412 (avg. 5.0)
77 (93.9%)
4 (4.9%)
Flatten Array Flatten Array
45
919 (avg. 20.4)
37 (82.2%)
6 (13.3%)
Grade School Grade School
38
1,202 (avg. 31.6)
31 (81.6%)
3 (7.9%)
Space Age Space Age
53
306 (avg. 5.8)
40 (75.5%)
2 (3.8%)
Atbash Cipher Atbash Cipher
75
634 (avg. 8.5)
62 (82.7%)
6 (8.0%)
Roman Numerals Roman Numerals
38
478 (avg. 12.6)
29 (76.3%)
3 (7.9%)
Scrabble Score Scrabble Score
63
427 (avg. 6.8)
56 (88.9%)
5 (7.9%)
Linked List Linked List
35
179 (avg. 5.1)
23 (65.7%)
3 (8.6%)
Wordy Wordy
54
546 (avg. 10.1)
38 (70.4%)
5 (9.3%)
Binary Search Tree Binary Search Tree
15
159 (avg. 10.6)
8 (53.3%)
1 (6.7%)
Bowling Bowling
11
96 (avg. 8.7)
5 (45.5%)
0 (0.0%)
Collatz Conjecture Collatz Conjecture
28
525 (avg. 18.8)
25 (89.3%)
1 (3.6%)
Crypto Square Crypto Square
16
487 (avg. 30.4)
14 (87.5%)
2 (12.5%)
Armstrong Numbers Armstrong Numbers
23
158 (avg. 6.9)
22 (95.7%)
0 (0.0%)
Difference of Squares Difference of Squares
27
300 (avg. 11.1)
25 (92.6%)
0 (0.0%)
Affine Cipher Affine Cipher
16
557 (avg. 34.8)
12 (75.0%)
0 (0.0%)
Bottle Song Bottle Song
13
460 (avg. 35.4)
11 (84.6%)
1 (7.7%)
Binary Search Binary Search
12
398 (avg. 33.2)
12 (100.0%)
0 (0.0%)
Isogram Isogram
18
228 (avg. 12.7)
16 (88.9%)
1 (5.6%)
ISBN Verifier ISBN Verifier
14
1,044 (avg. 74.6)
14 (100.0%)
4 (28.6%)
Darts Darts
45
346 (avg. 7.7)
43 (95.6%)
1 (2.2%)
Gigasecond Gigasecond
42
261 (avg. 6.2)
36 (85.7%)
0 (0.0%)
Series Series
39
303 (avg. 7.8)
38 (97.4%)
1 (2.6%)
Pascal's Triangle Pascal's Triangle
8
68 (avg. 8.5)
7 (87.5%)
0 (0.0%)
Queen Attack Queen Attack
11
436 (avg. 39.6)
11 (100.0%)
0 (0.0%)
Sum of Multiples Sum of Multiples
14
128 (avg. 9.1)
14 (100.0%)
0 (0.0%)
Largest Series Product Largest Series Product
8
104 (avg. 13.0)
8 (100.0%)
0 (0.0%)
Triangle Triangle
8
140 (avg. 17.5)
8 (100.0%)
1 (12.5%)
Prime Factors Prime Factors
9
213 (avg. 23.7)
9 (100.0%)
0 (0.0%)
Sieve Sieve
16
498 (avg. 31.1)
12 (75.0%)
3 (18.8%)
House House
7
198 (avg. 28.3)
3 (42.9%)
1 (14.3%)
Secret Handshake Secret Handshake
68
492 (avg. 7.2)
64 (94.1%)
0 (0.0%)
Sublist Sublist
6
292 (avg. 48.7)
6 (100.0%)
0 (0.0%)
Matching Brackets Matching Brackets
9
207 (avg. 23.0)
8 (88.9%)
0 (0.0%)
Reverse String Reverse String
27
63 (avg. 2.3)
25 (92.6%)
0 (0.0%)
Killer Sudoku Helper Killer Sudoku Helper
7
80 (avg. 11.4)
5 (71.4%)
0 (0.0%)
Pythagorean Triplet Pythagorean Triplet
9
133 (avg. 14.8)
8 (88.9%)
0 (0.0%)
Transpose Transpose
8
82 (avg. 10.3)
4 (50.0%)
0 (0.0%)
Matrix Matrix
9
82 (avg. 9.1)
6 (66.7%)
0 (0.0%)
Book Store Book Store
7
293 (avg. 41.9)
4 (57.1%)
1 (14.3%)
Diamond Diamond
7
280 (avg. 40.0)
5 (71.4%)
1 (14.3%)
Square Root Square Root
12
137 (avg. 11.4)
10 (83.3%)
0 (0.0%)
Resistor Color Resistor Color
10
42 (avg. 4.2)
10 (100.0%)
0 (0.0%)
Strain Strain
8
43 (avg. 5.4)
8 (100.0%)
0 (0.0%)
Yacht Yacht
11
277 (avg. 25.2)
8 (72.7%)
0 (0.0%)
Resistor Color Duo Resistor Color Duo
11
85 (avg. 7.7)
11 (100.0%)
0 (0.0%)
Resistor Color Trio Resistor Color Trio
7
82 (avg. 11.7)
6 (85.7%)
0 (0.0%)
Perfect Numbers Perfect Numbers
9
213 (avg. 23.7)
9 (100.0%)
0 (0.0%)
Rotational Cipher Rotational Cipher
9
175 (avg. 19.4)
9 (100.0%)
0 (0.0%)
Circular Buffer Circular Buffer
7
151 (avg. 21.6)
4 (57.1%)
1 (14.3%)
Parallel Letter Frequency Parallel Letter Frequency
12
144 (avg. 12.0)
11 (91.7%)
1 (8.3%)
Protein Translation Protein Translation
9
499 (avg. 55.4)
9 (100.0%)
1 (11.1%)
Zebra Puzzle Zebra Puzzle
5
4 (avg. 0.8)
1 (20.0%)
0 (0.0%)
Kindergarten Garden Kindergarten Garden
6
141 (avg. 23.5)
5 (83.3%)
0 (0.0%)
State of Tic-Tac-Toe State of Tic-Tac-Toe
4
432 (avg. 108.0)
2 (50.0%)
1 (25.0%)
Eliud's Eggs Eliud's Eggs
4
34 (avg. 8.5)
4 (100.0%)
1 (25.0%)
Variable Length Quantity Variable Length Quantity
2
32 (avg. 16.0)
1 (50.0%)
1 (50.0%)
Proverb Proverb
3
83 (avg. 27.7)
2 (66.7%)
0 (0.0%)
Run-Length Encoding Run-Length Encoding
2
44 (avg. 22.0)
1 (50.0%)
0 (0.0%)
Rail Fence Cipher Rail Fence Cipher
2
67 (avg. 33.5)
1 (50.0%)
0 (0.0%)
3 deprecated practice exercises
Started
Attempts
Completions
Mentoring requests
Beer Song Beer Song
8
234 (avg. 29.3)
7 (87.5%)
0 (0.0%)
Binary Binary
8
7 (avg. 0.9)
7 (87.5%)
0 (0.0%)
Trinary Trinary
3
2 (avg. 0.7)
2 (66.7%)
0 (0.0%)
54 unimplemented practice exercises
Alphametics Alphametics
Baffling Birthdays Baffling Birthdays
Bank Account Bank Account
Change Change
Complex Numbers Complex Numbers
Connect Connect
Conway's Game of Life Conway's Game of Life
Custom Set Custom Set
D&D Character D&D Character
Dominoes Dominoes
DOT DSL DOT DSL
Error Handling Error Handling
Food Chain Food Chain
Forth Forth
Go Counting Go Counting
Grep Grep
Hangman Hangman
High Scores High Scores
Intergalactic Transmission Intergalactic Transmission
Knapsack Knapsack
Ledger Ledger
Lens Person Lens Person
List Ops List Ops
Markdown Markdown
Micro Blog Micro Blog
Minesweeper Minesweeper
Nth Prime Nth Prime
OCR Numbers OCR Numbers
PaaS I/O PaaS I/O
Palindrome Products Palindrome Products
Pig Latin Pig Latin
Poker Poker
POV POV
Rational Numbers Rational Numbers
React React
Rectangles Rectangles
Relative Distance Relative Distance
REST API REST API
Robot Simulator Robot Simulator
Saddle Points Saddle Points
Satellite Satellite
Say Say
SGF Parsing SGF Parsing
Simple Cipher Simple Cipher
Simple Linked List Simple Linked List
Spiral Matrix Spiral Matrix
Split-Second Stopwatch Split-Second Stopwatch
Swift Scheduling Swift Scheduling
Tournament Tournament
Tree Building Tree Building
Twelve Days Twelve Days
Two Bucket Two Bucket
Word Search Word Search
Zipper Zipper

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: b90010384bd1d926511eda746ed184129de8411e (Takes up to 10 mins to deploy)

Total Test Runner Runs
39,689
Test Run Pass Rate
25.8% (10242)
Test Run Fail Rate
52.2% (20702)
Test Run Error Rate
22.0% (8745)

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: 441ce88313923f747fe2687f3797fbbf5f24e190 (Takes up to 10 mins to deploy)

Total Representer Runs
5,086
Total Representation Comments Made
0
Feedback Given Frequency
0.0%

Analyzer

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

Next goal: Build an Analyzer. Find out more.