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: f56612ce29908427fc48a165057810e63f540977 (Updates should be instant)

Next goal: Implement 136 practice exercises. Find out more.

84 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

778

1,401 (avg. 1.8)

612 (78.7%)

0 (0.0%)

Leap

385

1,708 (avg. 4.4)

306 (79.5%)

78 (20.3%)

Bob

245

2,464 (avg. 10.1)

150 (61.2%)

43 (17.6%)

Nucleotide Count

131

1,179 (avg. 9.0)

97 (74.0%)

23 (17.6%)

Pangram

113

894 (avg. 7.9)

94 (83.2%)

20 (17.7%)

Clock

83

843 (avg. 10.2)

62 (74.7%)

16 (19.3%)

Raindrops

112

1,303 (avg. 11.6)

102 (91.1%)

16 (14.3%)

Phone Number

118

1,942 (avg. 16.5)

99 (83.9%)

12 (10.2%)

Allergies

58

816 (avg. 14.1)

47 (81.0%)

8 (13.8%)

All Your Base

47

1,512 (avg. 32.2)

40 (85.1%)

9 (19.1%)

Robot Name

48

511 (avg. 10.6)

40 (83.3%)

5 (10.4%)

Two Fer

160

307 (avg. 1.9)

139 (86.9%)

9 (5.6%)

Luhn

94

1,722 (avg. 18.3)

79 (84.0%)

10 (10.6%)

RNA Transcription

70

285 (avg. 4.1)

66 (94.3%)

3 (4.3%)

Hamming

70

422 (avg. 6.0)

63 (90.0%)

4 (5.7%)

Anagram

52

468 (avg. 9.0)

47 (90.4%)

5 (9.6%)

Word Count

57

579 (avg. 10.2)

50 (87.7%)

5 (8.8%)

ETL

52

1,100 (avg. 21.2)

44 (84.6%)

5 (9.6%)

Meetup

32

1,038 (avg. 32.4)

26 (81.3%)

1 (3.1%)

Accumulate

77

418 (avg. 5.4)

67 (87.0%)

5 (6.5%)

Acronym

66

988 (avg. 15.0)

52 (78.8%)

5 (7.6%)

Grains

84

419 (avg. 5.0)

79 (94.0%)

4 (4.8%)

Flatten Array

46

920 (avg. 20.0)

38 (82.6%)

6 (13.0%)

Grade School

39

1,204 (avg. 30.9)

32 (82.1%)

3 (7.7%)

Space Age

55

315 (avg. 5.7)

42 (76.4%)

2 (3.6%)

Atbash Cipher

76

635 (avg. 8.4)

63 (82.9%)

6 (7.9%)

Roman Numerals

39

479 (avg. 12.3)

30 (76.9%)

3 (7.7%)

Scrabble Score

64

438 (avg. 6.8)

57 (89.1%)

5 (7.8%)

Linked List

36

180 (avg. 5.0)

24 (66.7%)

3 (8.3%)

Wordy

55

548 (avg. 10.0)

39 (70.9%)

5 (9.1%)

Binary Search Tree

16

160 (avg. 10.0)

9 (56.3%)

1 (6.3%)

Bowling

13

99 (avg. 7.6)

6 (46.2%)

0 (0.0%)

Collatz Conjecture

30

530 (avg. 17.7)

27 (90.0%)

1 (3.3%)

Crypto Square

17

488 (avg. 28.7)

15 (88.2%)

2 (11.8%)

Armstrong Numbers

25

169 (avg. 6.8)

24 (96.0%)

0 (0.0%)

Difference of Squares

29

305 (avg. 10.5)

27 (93.1%)

0 (0.0%)

Affine Cipher

17

558 (avg. 32.8)

13 (76.5%)

0 (0.0%)

Bottle Song

14

462 (avg. 33.0)

12 (85.7%)

1 (7.1%)

Binary Search

13

399 (avg. 30.7)

13 (100.0%)

0 (0.0%)

Isogram

19

229 (avg. 12.1)

17 (89.5%)

1 (5.3%)

ISBN Verifier

15

1,045 (avg. 69.7)

15 (100.0%)

4 (26.7%)

Darts

46

347 (avg. 7.5)

44 (95.7%)

1 (2.2%)

Gigasecond

43

270 (avg. 6.3)

37 (86.0%)

0 (0.0%)

Series

40

311 (avg. 7.8)

39 (97.5%)

1 (2.5%)

Pascal's Triangle

9

83 (avg. 9.2)

8 (88.9%)

0 (0.0%)

Queen Attack

12

474 (avg. 39.5)

12 (100.0%)

0 (0.0%)

Sum of Multiples

15

147 (avg. 9.8)

15 (100.0%)

0 (0.0%)

Largest Series Product

9

120 (avg. 13.3)

9 (100.0%)

0 (0.0%)

Triangle

9

141 (avg. 15.7)

9 (100.0%)

1 (11.1%)

Prime Factors

10

215 (avg. 21.5)

10 (100.0%)

0 (0.0%)

Sieve

18

500 (avg. 27.8)

13 (72.2%)

3 (16.7%)

House

8

199 (avg. 24.9)

4 (50.0%)

1 (12.5%)

Secret Handshake

69

493 (avg. 7.1)

65 (94.2%)

0 (0.0%)

Sublist

7

308 (avg. 44.0)

7 (100.0%)

0 (0.0%)

Matching Brackets

10

210 (avg. 21.0)

9 (90.0%)

0 (0.0%)

Reverse String

28

64 (avg. 2.3)

26 (92.9%)

0 (0.0%)

Killer Sudoku Helper

8

83 (avg. 10.4)

6 (75.0%)

0 (0.0%)

Pythagorean Triplet

10

136 (avg. 13.6)

9 (90.0%)

0 (0.0%)

Transpose

9

86 (avg. 9.6)

5 (55.6%)

0 (0.0%)

Matrix

10

83 (avg. 8.3)

7 (70.0%)

0 (0.0%)

Book Store

8

301 (avg. 37.6)

5 (62.5%)

1 (12.5%)

Diamond

8

282 (avg. 35.3)

6 (75.0%)

1 (12.5%)

Square Root

13

138 (avg. 10.6)

11 (84.6%)

0 (0.0%)

Resistor Color

11

46 (avg. 4.2)

11 (100.0%)

0 (0.0%)

Strain

9

44 (avg. 4.9)

9 (100.0%)

0 (0.0%)

Yacht

12

279 (avg. 23.3)

9 (75.0%)

0 (0.0%)

Resistor Color Duo

12

87 (avg. 7.3)

12 (100.0%)

0 (0.0%)

Resistor Color Trio

8

87 (avg. 10.9)

7 (87.5%)

0 (0.0%)

Perfect Numbers

10

214 (avg. 21.4)

10 (100.0%)

0 (0.0%)

Rotational Cipher

10

179 (avg. 17.9)

10 (100.0%)

0 (0.0%)

Circular Buffer

8

152 (avg. 19.0)

5 (62.5%)

1 (12.5%)

Parallel Letter Frequency

14

153 (avg. 10.9)

12 (85.7%)

1 (7.1%)

Protein Translation

10

501 (avg. 50.1)

10 (100.0%)

1 (10.0%)

Zebra Puzzle

6

5 (avg. 0.8)

2 (33.3%)

0 (0.0%)

Kindergarten Garden

7

142 (avg. 20.3)

6 (85.7%)

0 (0.0%)

State of Tic-Tac-Toe

5

434 (avg. 86.8)

3 (60.0%)

1 (20.0%)

Eliud's Eggs

6

50 (avg. 8.3)

6 (100.0%)

1 (16.7%)

Variable Length Quantity

3

35 (avg. 11.7)

2 (66.7%)

1 (33.3%)

Proverb

4

89 (avg. 22.3)

3 (75.0%)

0 (0.0%)

Run-Length Encoding

3

45 (avg. 15.0)

2 (66.7%)

0 (0.0%)

Rail Fence Cipher

3

76 (avg. 25.3)

2 (66.7%)

0 (0.0%)

OCR Numbers

2

99 (avg. 49.5)

1 (50.0%)

0 (0.0%)

Flower Field

2

354 (avg. 177.0)

1 (50.0%)

Custom Set

2

22 (avg. 11.0)

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%)

52 unimplemented practice exercises

Alphametics

Baffling Birthdays

Bank Account

Change

Complex Numbers

Connect

Conway's Game of Life

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

Nth Prime

PaaS I/O

Palindrome Products

Piecing It Together

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

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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: bc6a8f2f767a3dd06d2ebda2f3e1a8bf84bdd030 (Takes up to 10 mins to deploy)

Total Test Runner Runs

40,714

Test Run Pass Rate

25.9% (10537)

Test Run Fail Rate

52.1% (21227)

Test Run Error Rate

22.0% (8950)

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: 2ccee6f95a34bde9a148532aa444c26fd254dad2 (Takes up to 10 mins to deploy)

Total Representer Runs

5,240

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 ⚠️

Practice Exercises

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Interviews & Stories

Discord

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Contributors

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About Exercism

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Insiders

Raku Track Management

The Raku track needs attention ⚠️

Practice Exercises

Programming Tags

Test Runner

Representer

Analyzer

We 💙 our volunteers