Raku impact and status on Exercism

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.

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

766

1,385 (avg. 1.8)

603 (78.7%)

0 (0.0%)

Leap

378

1,582 (avg. 4.2)

300 (79.4%)

78 (20.6%)

Bob

242

2,454 (avg. 10.1)

148 (61.2%)

43 (17.8%)

Nucleotide Count

129

1,171 (avg. 9.1)

95 (73.6%)

23 (17.8%)

Pangram

110

886 (avg. 8.1)

91 (82.7%)

20 (18.2%)

Clock

81

841 (avg. 10.4)

61 (75.3%)

16 (19.8%)

Raindrops

109

1,284 (avg. 11.8)

99 (90.8%)

16 (14.7%)

Phone Number

116

1,922 (avg. 16.6)

97 (83.6%)

12 (10.3%)

Allergies

57

815 (avg. 14.3)

46 (80.7%)

8 (14.0%)

All Your Base

46

1,507 (avg. 32.8)

39 (84.8%)

9 (19.6%)

Robot Name

47

502 (avg. 10.7)

39 (83.0%)

5 (10.6%)

Two Fer

157

304 (avg. 1.9)

136 (86.6%)

9 (5.7%)

Luhn

93

1,721 (avg. 18.5)

78 (83.9%)

10 (10.8%)

RNA Transcription

68

282 (avg. 4.1)

64 (94.1%)

3 (4.4%)

Hamming

68

417 (avg. 6.1)

61 (89.7%)

4 (5.9%)

Anagram

51

465 (avg. 9.1)

46 (90.2%)

5 (9.8%)

Word Count

56

575 (avg. 10.3)

49 (87.5%)

5 (8.9%)

ETL

50

1,094 (avg. 21.9)

43 (86.0%)

5 (10.0%)

Meetup

31

1,035 (avg. 33.4)

25 (80.6%)

1 (3.2%)

Accumulate

75

412 (avg. 5.5)

65 (86.7%)

5 (6.7%)

Acronym

64

984 (avg. 15.4)

50 (78.1%)

5 (7.8%)

Grains

82

412 (avg. 5.0)

77 (93.9%)

4 (4.9%)

Flatten Array

45

919 (avg. 20.4)

37 (82.2%)

6 (13.3%)

Grade School

38

1,202 (avg. 31.6)

31 (81.6%)

3 (7.9%)

Space Age

53

306 (avg. 5.8)

40 (75.5%)

2 (3.8%)

Atbash Cipher

75

634 (avg. 8.5)

62 (82.7%)

6 (8.0%)

Roman Numerals

38

478 (avg. 12.6)

29 (76.3%)

3 (7.9%)

Scrabble Score

63

427 (avg. 6.8)

56 (88.9%)

5 (7.9%)

Linked List

35

179 (avg. 5.1)

23 (65.7%)

3 (8.6%)

Wordy

54

546 (avg. 10.1)

38 (70.4%)

5 (9.3%)

Binary Search Tree

15

159 (avg. 10.6)

8 (53.3%)

1 (6.7%)

Bowling

11

96 (avg. 8.7)

5 (45.5%)

0 (0.0%)

Collatz Conjecture

28

525 (avg. 18.8)

25 (89.3%)

1 (3.6%)

Crypto Square

16

487 (avg. 30.4)

14 (87.5%)

2 (12.5%)

Armstrong Numbers

23

158 (avg. 6.9)

22 (95.7%)

0 (0.0%)

Difference of Squares

27

300 (avg. 11.1)

25 (92.6%)

0 (0.0%)

Affine Cipher

16

557 (avg. 34.8)

12 (75.0%)

0 (0.0%)

Bottle Song

13

460 (avg. 35.4)

11 (84.6%)

1 (7.7%)

Binary Search

12

398 (avg. 33.2)

12 (100.0%)

0 (0.0%)

Isogram

18

228 (avg. 12.7)

16 (88.9%)

1 (5.6%)

ISBN Verifier

14

1,044 (avg. 74.6)

14 (100.0%)

4 (28.6%)

Darts

45

346 (avg. 7.7)

43 (95.6%)

1 (2.2%)

Gigasecond

42

261 (avg. 6.2)

36 (85.7%)

0 (0.0%)

Series

39

303 (avg. 7.8)

38 (97.4%)

1 (2.6%)

Pascal's Triangle

8

68 (avg. 8.5)

7 (87.5%)

0 (0.0%)

Queen Attack

11

436 (avg. 39.6)

11 (100.0%)

0 (0.0%)

Sum of Multiples

14

128 (avg. 9.1)

14 (100.0%)

0 (0.0%)

Largest Series Product

8

104 (avg. 13.0)

8 (100.0%)

0 (0.0%)

Triangle

8

140 (avg. 17.5)

8 (100.0%)

1 (12.5%)

Prime Factors

9

213 (avg. 23.7)

9 (100.0%)

0 (0.0%)

Sieve

16

498 (avg. 31.1)

12 (75.0%)

3 (18.8%)

House

7

198 (avg. 28.3)

3 (42.9%)

1 (14.3%)

Secret Handshake

68

492 (avg. 7.2)

64 (94.1%)

0 (0.0%)

Sublist

6

292 (avg. 48.7)

6 (100.0%)

0 (0.0%)

Matching Brackets

9

207 (avg. 23.0)

8 (88.9%)

0 (0.0%)

Reverse String

27

63 (avg. 2.3)

25 (92.6%)

0 (0.0%)

Killer Sudoku Helper

7

80 (avg. 11.4)

5 (71.4%)

0 (0.0%)

Pythagorean Triplet

9

133 (avg. 14.8)

8 (88.9%)

0 (0.0%)

Transpose

8

82 (avg. 10.3)

4 (50.0%)

0 (0.0%)

Matrix

9

82 (avg. 9.1)

6 (66.7%)

0 (0.0%)

Book Store

7

293 (avg. 41.9)

4 (57.1%)

1 (14.3%)

Diamond

7

280 (avg. 40.0)

5 (71.4%)

1 (14.3%)

Square Root

12

137 (avg. 11.4)

10 (83.3%)

0 (0.0%)

Resistor Color

10

42 (avg. 4.2)

10 (100.0%)

0 (0.0%)

Strain

8

43 (avg. 5.4)

8 (100.0%)

0 (0.0%)

Yacht

11

277 (avg. 25.2)

8 (72.7%)

0 (0.0%)

Resistor Color Duo

11

85 (avg. 7.7)

11 (100.0%)

0 (0.0%)

Resistor Color Trio

7

82 (avg. 11.7)

6 (85.7%)

0 (0.0%)

Perfect Numbers

9

213 (avg. 23.7)

9 (100.0%)

0 (0.0%)

Rotational Cipher

9

175 (avg. 19.4)

9 (100.0%)

0 (0.0%)

Circular Buffer

7

151 (avg. 21.6)

4 (57.1%)

1 (14.3%)

Parallel Letter Frequency

12

144 (avg. 12.0)

11 (91.7%)

1 (8.3%)

Protein Translation

9

499 (avg. 55.4)

9 (100.0%)

1 (11.1%)

Zebra Puzzle

5

4 (avg. 0.8)

1 (20.0%)

0 (0.0%)

Kindergarten Garden

6

141 (avg. 23.5)

5 (83.3%)

0 (0.0%)

State of Tic-Tac-Toe

4

432 (avg. 108.0)

2 (50.0%)

1 (25.0%)

Eliud's Eggs

4

34 (avg. 8.5)

4 (100.0%)

1 (25.0%)

Variable Length Quantity

2

32 (avg. 16.0)

1 (50.0%)

Proverb

3

83 (avg. 27.7)

2 (66.7%)

0 (0.0%)

Run-Length Encoding

2

44 (avg. 22.0)

1 (50.0%)

0 (0.0%)

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

8

234 (avg. 29.3)

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%)

54 unimplemented practice exercises

Alphametics

Baffling Birthdays

Bank Account

Change

Complex Numbers

Connect

Conway's Game of Life

Custom Set

D&D Character

Dominoes

DOT DSL

Error Handling

Food Chain

Forth

Go Counting

Grep

Hangman

High Scores

Intergalactic Transmission

Knapsack

Ledger

Lens Person

List Ops

Markdown

Micro Blog

Minesweeper

Nth Prime

OCR Numbers

PaaS I/O

Palindrome Products

Pig Latin

Poker

POV

Rational Numbers

React

Rectangles

Relative Distance

REST API

Robot Simulator

Saddle Points

Satellite

Say

SGF Parsing

Simple Cipher

Simple Linked List

Spiral Matrix

Split-Second Stopwatch

Swift Scheduling

Tournament

Tree Building

Twelve Days

Two Bucket

Word Search

Zipper

Programming Tags

Learn More

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

0 tags

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: 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

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

Total Representer Runs

5,086

Total Representation Comments Made

0

Feedback Given Frequency

0.0%

Analyzer

Learn More

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.

Raku Track Management

The Raku track needs attention ⚠️

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Discord

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Raku Track Management

The Raku track needs attention ⚠️

Practice Exercises

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Test Runner

Representer

Analyzer

We 💙 our volunteers