Raku

735 students

29 contributors

735
students have developed their Raku skills on Exercism.

Students

735

Submissions

19,929

Mentoring Discussions

294

The Raku track needs attention ⚠️

Building

Build

Use your knowledge to build the Raku track itself

29 contributors

Build Test Runners

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

Usage statistics

Total Test Runner Runs

18,117

Test Run Pass Rate

26.2% (4742)

Test Run Fail Rate

64.5% (11682)

Test Run Error Rate

9.3% (1693)

Build Analyzers

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.

Build Representers

Build a Representer: a bit of code that has the single responsibility of taking a solution and returning a normalized representation of it.

Next goal: Build a Representer. Find out more.

Create Practice Exercises

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.

Next goal: Implement 129 practice exercises. Find out more.

Usage statistics

59 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

376

837 (avg. 2.2)

272 (72.3%)

0 (0.0%)

Leap

221

766 (avg. 3.5)

178 (80.5%)

72 (32.6%)

Bob

164

1,028 (avg. 6.3)

110 (67.1%)

39 (23.8%)

Nucleotide Count

83

695 (avg. 8.4)

59 (71.1%)

22 (26.5%)

Pangram

65

479 (avg. 7.4)

56 (86.2%)

18 (27.7%)

Clock

54

545 (avg. 10.1)

42 (77.8%)

14 (25.9%)

Raindrops

62

402 (avg. 6.5)

57 (91.9%)

12 (19.4%)

Phone Number

50

619 (avg. 12.4)

40 (80.0%)

11 (22.0%)

Allergies

41

272 (avg. 6.6)

32 (78.0%)

7 (17.1%)

All Your Base

28

981 (avg. 35.0)

22 (78.6%)

7 (25.0%)

Robot Name

33

331 (avg. 10.0)

28 (84.8%)

5 (15.2%)

Two Fer

128

224 (avg. 1.8)

109 (85.2%)

9 (7.0%)

Luhn

46

904 (avg. 19.7)

36 (78.3%)

10 (21.7%)

RNA Transcription

47

210 (avg. 4.5)

45 (95.7%)

3 (6.4%)

Hamming

44

213 (avg. 4.8)

40 (90.9%)

4 (9.1%)

Anagram

41

396 (avg. 9.7)

37 (90.2%)

5 (12.2%)

Word Count

44

507 (avg. 11.5)

40 (90.9%)

5 (11.4%)

ETL

35

996 (avg. 28.5)

31 (88.6%)

5 (14.3%)

Meetup

22

782 (avg. 35.5)

16 (72.7%)

1 (4.5%)

Accumulate

52

293 (avg. 5.6)

46 (88.5%)

5 (9.6%)

Acronym

43

752 (avg. 17.5)

36 (83.7%)

5 (11.6%)

Grains

60

261 (avg. 4.4)

56 (93.3%)

4 (6.7%)

Flatten Array

36

732 (avg. 20.3)

31 (86.1%)

6 (16.7%)

Grade School

31

1,064 (avg. 34.3)

25 (80.6%)

3 (9.7%)

Space Age

37

209 (avg. 5.6)

28 (75.7%)

2 (5.4%)

Atbash Cipher

38

290 (avg. 7.6)

29 (76.3%)

5 (13.2%)

Roman Numerals

27

365 (avg. 13.5)

23 (85.2%)

3 (11.1%)

Scrabble Score

53

293 (avg. 5.5)

47 (88.7%)

5 (9.4%)

Linked List

28

77 (avg. 2.8)

19 (67.9%)

3 (10.7%)

Wordy

49

293 (avg. 6.0)

34 (69.4%)

5 (10.2%)

Binary Search Tree

5

125 (avg. 25.0)

3 (60.0%)

0 (0.0%)

Collatz Conjecture

13

346 (avg. 26.6)

12 (92.3%)

1 (7.7%)

Crypto Square

8

409 (avg. 51.1)

6 (75.0%)

2 (25.0%)

Armstrong Numbers

9

95 (avg. 10.6)

8 (88.9%)

0 (0.0%)

Difference of Squares

10

124 (avg. 12.4)

10 (100.0%)

0 (0.0%)

Affine Cipher

6

492 (avg. 82.0)

4 (66.7%)

0 (0.0%)

Bottle Song

8

330 (avg. 41.3)

6 (75.0%)

1 (12.5%)

Binary Search

7

198 (avg. 28.3)

6 (85.7%)

0 (0.0%)

Isogram

8

135 (avg. 16.9)

7 (87.5%)

1 (12.5%)

ISBN Verifier

6

771 (avg. 128.5)

5 (83.3%)

4 (66.7%)

Darts

7

58 (avg. 8.3)

6 (85.7%)

1 (14.3%)

Gigasecond

6

65 (avg. 10.8)

4 (66.7%)

0 (0.0%)

Series

5

41 (avg. 8.2)

4 (80.0%)

0 (0.0%)

Pascal's Triangle

4

32 (avg. 8.0)

3 (75.0%)

0 (0.0%)

Queen Attack

5

118 (avg. 23.6)

5 (100.0%)

0 (0.0%)

Sum of Multiples

5

52 (avg. 10.4)

5 (100.0%)

0 (0.0%)

Largest Series Product

3

23 (avg. 7.7)

2 (66.7%)

0 (0.0%)

Triangle

3

16 (avg. 5.3)

3 (100.0%)

0 (0.0%)

Prime Factors

3

50 (avg. 16.7)

2 (66.7%)

0 (0.0%)

Sieve

3

40 (avg. 13.3)

2 (66.7%)

0 (0.0%)

House

3

65 (avg. 21.7)

1 (33.3%)

0 (0.0%)

Secret Handshake

3

37 (avg. 12.3)

2 (66.7%)

0 (0.0%)

Sublist

3

67 (avg. 22.3)

2 (66.7%)

0 (0.0%)

Matching Brackets

3

42 (avg. 14.0)

2 (66.7%)

0 (0.0%)

Reverse String

3

6 (avg. 2.0)

3 (100.0%)

0 (0.0%)

Killer Sudoku Helper

3

64 (avg. 21.3)

2 (66.7%)

0 (0.0%)

Pythagorean Triplet

3

48 (avg. 16.0)

2 (66.7%)

0 (0.0%)

Transpose

3

26 (avg. 8.7)

2 (66.7%)

0 (0.0%)

Matrix

3

19 (avg. 6.3)

2 (66.7%)

0 (0.0%)

3 deprecated practice exercises

Started

Attempts

Completions

Mentoring requests

Beer Song

8

210 (avg. 26.3)

7 (87.5%)

0 (0.0%)

Binary

8

7 (avg. 0.9)

7 (87.5%)

0 (0.0%)

Trinary

3

2 (avg. 0.7)

2 (66.7%)

0 (0.0%)

70 unimplemented practice exercises

Alphametics

Bank Account

Book Store

Bowling

Change

Circular Buffer

Complex Numbers

Connect

Custom Set

D&D Character

DOT DSL

Diamond

Dominoes

Error Handling

Food Chain

Forth

Go Counting

Grep

Hangman

High Scores

Kindergarten Garden

Knapsack

Ledger

Lens Person

List Ops

Markdown

Micro Blog

Minesweeper

Nth Prime

OCR Numbers

POV

PaaS I/O

Palindrome Products

Parallel Letter Frequency

Perfect Numbers

Pig Latin

Poker

Protein Translation

Proverb

REST API

Rail Fence Cipher

Rational Numbers

React

Rectangles

Resistor Color

Resistor Color Duo

Resistor Color Trio

Robot Simulator

Rotational Cipher

Run-Length Encoding

SGF Parsing

Saddle Points

Satellite

Say

Scale Generator

Simple Cipher

Simple Linked List

Spiral Matrix

Square Root

State of Tic-Tac-Toe

Strain

Tournament

Tree Building

Twelve Days

Two Bucket

Variable Length Quantity

Word Search

Yacht

Zebra Puzzle

Zipper

Volunteers

39

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6,222

habere-et-dispertire

950

ErikSchierboom

874

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