Pharo

981 students

23 contributors

981
students have developed their Pharo skills on Exercism.

Students

981

Submissions

4,821

Mentoring Discussions

502

The Pharo track needs attention ⚠️

Building

Build

Use your knowledge to build the Pharo track itself

23 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

1,311

Test Run Pass Rate

58.0% (760)

Test Run Fail Rate

9.3% (122)

Test Run Error Rate

32.7% (429)

Build Analyzers

Build an Analyzer for Pharo: 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 at least 50 practice exercises. Find out more.

Usage statistics

42 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

587

605 (avg. 1.0)

372 (63.4%)

0 (0.0%)

Two Fer

319

481 (avg. 1.5)

233 (73.0%)

90 (28.2%)

Leap

232

403 (avg. 1.7)

193 (83.2%)

69 (29.7%)

Reverse String

201

310 (avg. 1.5)

151 (75.1%)

54 (26.9%)

Isogram

160

270 (avg. 1.7)

142 (88.8%)

39 (24.4%)

Grains

134

201 (avg. 1.5)

111 (82.8%)

38 (28.4%)

Allergies

102

156 (avg. 1.5)

78 (76.5%)

31 (30.4%)

Matrix

73

139 (avg. 1.9)

61 (83.6%)

21 (28.8%)

Grade School

73

101 (avg. 1.4)

52 (71.2%)

20 (27.4%)

Forth

60

73 (avg. 1.2)

30 (50.0%)

15 (25.0%)

Resistor Color Duo

61

89 (avg. 1.5)

52 (85.2%)

7 (11.5%)

Space Age

100

172 (avg. 1.7)

78 (78.0%)

12 (12.0%)

Armstrong Numbers

68

89 (avg. 1.3)

55 (80.9%)

7 (10.3%)

Twelve Days

54

71 (avg. 1.3)

34 (63.0%)

6 (11.1%)

Clock

52

88 (avg. 1.7)

35 (67.3%)

9 (17.3%)

Darts

42

57 (avg. 1.4)

33 (78.6%)

2 (4.8%)

Raindrops

60

114 (avg. 1.9)

53 (88.3%)

4 (6.7%)

ISBN Verifier

40

49 (avg. 1.2)

27 (67.5%)

4 (10.0%)

Sum of Multiples

45

69 (avg. 1.5)

39 (86.7%)

4 (8.9%)

Matching Brackets

42

57 (avg. 1.4)

31 (73.8%)

6 (14.3%)

Acronym

72

237 (avg. 3.3)

56 (77.8%)

5 (6.9%)

ETL

39

48 (avg. 1.2)

29 (74.4%)

3 (7.7%)

Flatten Array

38

48 (avg. 1.3)

27 (71.1%)

4 (10.5%)

Hamming

39

55 (avg. 1.4)

31 (79.5%)

4 (10.3%)

High Scores

36

43 (avg. 1.2)

27 (75.0%)

1 (2.8%)

Diamond

33

46 (avg. 1.4)

22 (66.7%)

4 (12.1%)

Proverb

29

34 (avg. 1.2)

23 (79.3%)

2 (6.9%)

Roman Numerals

47

64 (avg. 1.4)

37 (78.7%)

4 (8.5%)

Pangram

35

47 (avg. 1.3)

29 (82.9%)

3 (8.6%)

Secret Handshake

29

38 (avg. 1.3)

23 (79.3%)

2 (6.9%)

Anagram

48

54 (avg. 1.1)

36 (75.0%)

3 (6.3%)

Binary

42

56 (avg. 1.3)

32 (76.2%)

4 (9.5%)

Collatz Conjecture

37

52 (avg. 1.4)

28 (75.7%)

1 (2.7%)

Atbash Cipher

38

57 (avg. 1.5)

28 (73.7%)

2 (5.3%)

Sieve

31

47 (avg. 1.5)

26 (83.9%)

3 (9.7%)

Luhn

29

40 (avg. 1.4)

23 (79.3%)

2 (6.9%)

Word Count

30

43 (avg. 1.4)

26 (86.7%)

3 (10.0%)

Minesweeper

28

35 (avg. 1.3)

20 (71.4%)

4 (14.3%)

Robot Simulator

28

54 (avg. 1.9)

22 (78.6%)

2 (7.1%)

Bowling

29

30 (avg. 1.0)

15 (51.7%)

3 (10.3%)

Tournament

26

37 (avg. 1.4)

19 (73.1%)

2 (7.7%)

Die

61

62 (avg. 1.0)

31 (50.8%)

4 (6.6%)

88 unimplemented practice exercises

Affine Cipher

All Your Base

Alphametics

Bank Account

Binary Search

Binary Search Tree

Bob

Book Store

Bottle Song

Change

Circular Buffer

Complex Numbers

Connect

Crypto Square

Custom Set

D&D Character

DOT DSL

Difference of Squares

Dominoes

Error Handling

Food Chain

Gigasecond

Go Counting

Grep

Hangman

House

Killer Sudoku Helper

Kindergarten Garden

Knapsack

Largest Series Product

Ledger

Lens Person

Linked List

List Ops

Markdown

Meetup

Micro Blog

Nth Prime

Nucleotide Count

OCR Numbers

POV

PaaS I/O

Palindrome Products

Parallel Letter Frequency

Pascal's Triangle

Perfect Numbers

Phone Number

Pig Latin

Poker

Prime Factors

Protein Translation

Pythagorean Triplet

Queen Attack

REST API

RNA Transcription

Rail Fence Cipher

Rational Numbers

React

Rectangles

Resistor Color

Resistor Color Trio

Robot Name

Rotational Cipher

Run-Length Encoding

SGF Parsing

Saddle Points

Satellite

Say

Scale Generator

Scrabble Score

Series

Simple Cipher

Simple Linked List

Spiral Matrix

Square Root

State of Tic-Tac-Toe

Strain

Sublist

Transpose

Tree Building

Triangle

Two Bucket

Variable Length Quantity

Word Search

Wordy

Yacht

Zebra Puzzle

Zipper

Volunteers

26

macta

3,197

glennj

1,586

bencoman

1,121

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