Unison

524 students

524
students have developed their Unison skills on Exercism.

Students

524

Submissions

4,881

Mentoring Discussions

32

The Unison track needs attention ⚠️

Building

Build

Use your knowledge to build the Unison track itself

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

4,867

Test Run Pass Rate

31.1% (1516)

Test Run Fail Rate

16.4% (798)

Test Run Error Rate

52.5% (2553)

Build Analyzers

Build an Analyzer for Unison: 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 40 practice exercises. Find out more.

Usage statistics

31 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

435

689 (avg. 1.6)

381 (87.6%)

0 (0.0%)

Acronym

285

1,572 (avg. 5.5)

102 (35.8%)

10 (3.5%)

Allergies

70

197 (avg. 2.8)

45 (64.3%)

3 (4.3%)

Armstrong Numbers

96

363 (avg. 3.8)

69 (71.9%)

6 (6.3%)

Bowling

29

45 (avg. 1.6)

16 (55.2%)

1 (3.4%)

Clock

34

105 (avg. 3.1)

23 (67.6%)

1 (2.9%)

Crypto Square

21

162 (avg. 7.7)

16 (76.2%)

0 (0.0%)

Change

20

73 (avg. 3.7)

11 (55.0%)

0 (0.0%)

Collatz Conjecture

51

140 (avg. 2.7)

41 (80.4%)

4 (7.8%)

Darts

19

57 (avg. 3.0)

16 (84.2%)

0 (0.0%)

Diamond

12

38 (avg. 3.2)

10 (83.3%)

0 (0.0%)

All Your Base

17

36 (avg. 2.1)

9 (52.9%)

0 (0.0%)

Leap

40

120 (avg. 3.0)

37 (92.5%)

1 (2.5%)

Matching Brackets

21

139 (avg. 6.6)

12 (57.1%)

0 (0.0%)

Majority Element

23

143 (avg. 6.2)

11 (47.8%)

3 (13.0%)

Nucleotide Count

34

99 (avg. 2.9)

28 (82.4%)

1 (2.9%)

RNA Transcription

29

64 (avg. 2.2)

26 (89.7%)

0 (0.0%)

Rotational Cipher

5

37 (avg. 7.4)

4 (80.0%)

0 (0.0%)

Scale Generator

9

122 (avg. 13.6)

7 (77.8%)

0 (0.0%)

Sieve

13

21 (avg. 1.6)

8 (61.5%)

0 (0.0%)

Simple Linked List

16

32 (avg. 2.0)

13 (81.3%)

0 (0.0%)

Space Age

25

58 (avg. 2.3)

22 (88.0%)

0 (0.0%)

Spiral Matrix

9

19 (avg. 2.1)

6 (66.7%)

0 (0.0%)

Stream Ops

20

168 (avg. 8.4)

11 (55.0%)

1 (5.0%)

Sublist

11

18 (avg. 1.6)

8 (72.7%)

0 (0.0%)

Sum Of Multiples

23

115 (avg. 5.0)

19 (82.6%)

0 (0.0%)

Raindrops

24

79 (avg. 3.3)

23 (95.8%)

2 (8.3%)

Run Length Encoding

29

78 (avg. 2.7)

19 (65.5%)

2 (6.9%)

Queen Attack

11

25 (avg. 2.3)

8 (72.7%)

0 (0.0%)

Zebra Puzzle

10

18 (avg. 1.8)

4 (40.0%)

0 (0.0%)

Zipper

13

49 (avg. 3.8)

7 (53.8%)

0 (0.0%)

99 unimplemented practice exercises

Affine Cipher

Alphametics

Anagram

Atbash Cipher

Bank Account

Binary Search

Binary Search Tree

Bob

Book Store

Bottle Song

Circular Buffer

Complex Numbers

Connect

Custom Set

D&D Character

DOT DSL

Difference of Squares

Dominoes

ETL

Error Handling

Flatten Array

Food Chain

Forth

Gigasecond

Go Counting

Grade School

Grains

Grep

Hamming

Hangman

High Scores

House

ISBN Verifier

Isogram

Killer Sudoku Helper

Kindergarten Garden

Knapsack

Largest Series Product

Ledger

Lens Person

Linked List

List Ops

Luhn

Markdown

Matrix

Meetup

Micro Blog

Minesweeper

Nth Prime

OCR Numbers

POV

PaaS I/O

Palindrome Products

Pangram

Parallel Letter Frequency

Pascal's Triangle

Perfect Numbers

Phone Number

Pig Latin

Poker

Prime Factors

Protein Translation

Proverb

Pythagorean Triplet

REST API

Rail Fence Cipher

Rational Numbers

React

Rectangles

Resistor Color

Resistor Color Duo

Resistor Color Trio

Reverse String

Robot Name

Robot Simulator

Roman Numerals

SGF Parsing

Saddle Points

Satellite

Say

Scrabble Score

Secret Handshake

Series

Simple Cipher

Square Root

State of Tic-Tac-Toe

Strain

Tournament

Transpose

Tree Building

Triangle

Twelve Days

Two Bucket

Two-Fer

Variable Length Quantity

Word Count

Word Search

Wordy

Yacht

Volunteers

10

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1,402

ErikSchierboom

325

kytrinyx

77

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