Unison Track Management

This page provides the Exercism community with the information and tools needed to manage the Unison track.

Students
1,188
Submissions
16,123
Mentoring Discussions
60

The Unison track needs attention ⚠️

Building

Practice Exercises

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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: c0ba5b9cef8f89f1c9ff2d69392f657f9123924d (Updates should be instant)

Next goal: Implement 137 practice exercises. Find out more.
52 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
1,097
2,015 (avg. 1.8)
888 (80.9%)
0 (0.0%)
Acronym Acronym
618
3,576 (avg. 5.8)
239 (38.7%)
32 (5.2%)
Allergies Allergies
142
541 (avg. 3.8)
85 (59.9%)
5 (3.5%)
Armstrong Numbers Armstrong Numbers
218
918 (avg. 4.2)
147 (67.4%)
10 (4.6%)
Bowling Bowling
57
188 (avg. 3.3)
28 (49.1%)
2 (3.5%)
Clock Clock
61
306 (avg. 5.0)
40 (65.6%)
1 (1.6%)
Crypto Square Crypto Square
34
255 (avg. 7.5)
24 (70.6%)
1 (2.9%)
Change Change
33
200 (avg. 6.1)
18 (54.5%)
1 (3.0%)
Collatz Conjecture Collatz Conjecture
109
345 (avg. 3.2)
80 (73.4%)
6 (5.5%)
Darts Darts
70
281 (avg. 4.0)
57 (81.4%)
0 (0.0%)
Diamond Diamond
21
82 (avg. 3.9)
17 (81.0%)
0 (0.0%)
All Your Base All Your Base
28
92 (avg. 3.3)
16 (57.1%)
0 (0.0%)
Leap Leap
103
324 (avg. 3.1)
91 (88.3%)
2 (1.9%)
Matching Brackets Matching Brackets
36
228 (avg. 6.3)
21 (58.3%)
1 (2.8%)
Majority Element Majority Element
36
206 (avg. 5.7)
20 (55.6%)
3 (8.3%)
Nucleotide Count Nucleotide Count
62
176 (avg. 2.8)
51 (82.3%)
1 (1.6%)
RNA Transcription RNA Transcription
61
162 (avg. 2.7)
50 (82.0%)
1 (1.6%)
Rotational Cipher Rotational Cipher
59
516 (avg. 8.7)
53 (89.8%)
0 (0.0%)
Scale Generator Scale Generator
16
190 (avg. 11.9)
12 (75.0%)
0 (0.0%)
Sieve Sieve
35
192 (avg. 5.5)
21 (60.0%)
0 (0.0%)
Simple Linked List Simple Linked List
27
83 (avg. 3.1)
22 (81.5%)
0 (0.0%)
Space Age Space Age
71
250 (avg. 3.5)
60 (84.5%)
0 (0.0%)
Spiral Matrix Spiral Matrix
17
46 (avg. 2.7)
12 (70.6%)
0 (0.0%)
Stream Ops Stream Ops
34
223 (avg. 6.6)
20 (58.8%)
4 (11.8%)
Sublist Sublist
30
111 (avg. 3.7)
22 (73.3%)
0 (0.0%)
Sum Of Multiples Sum Of Multiples
42
299 (avg. 7.1)
33 (78.6%)
0 (0.0%)
Raindrops Raindrops
78
344 (avg. 4.4)
68 (87.2%)
4 (5.1%)
Run Length Encoding Run Length Encoding
49
197 (avg. 4.0)
31 (63.3%)
3 (6.1%)
Queen Attack Queen Attack
24
88 (avg. 3.7)
19 (79.2%)
0 (0.0%)
Zebra Puzzle Zebra Puzzle
21
157 (avg. 7.5)
11 (52.4%)
0 (0.0%)
Zipper Zipper
23
92 (avg. 4.0)
11 (47.8%)
0 (0.0%)
Reverse String Reverse String
37
172 (avg. 4.6)
30 (81.1%)
1 (2.7%)
Protein Translation Protein Translation
14
54 (avg. 3.9)
10 (71.4%)
0 (0.0%)
Difference of Squares Difference of Squares
22
76 (avg. 3.5)
16 (72.7%)
1 (4.5%)
Knapsack Knapsack
7
71 (avg. 10.1)
5 (71.4%)
0 (0.0%)
Roman Numerals Roman Numerals
43
193 (avg. 4.5)
28 (65.1%)
0 (0.0%)
Largest Series Product Largest Series Product
11
138 (avg. 12.5)
6 (54.5%)
0 (0.0%)
ETL ETL
14
41 (avg. 2.9)
9 (64.3%)
0 (0.0%)
Bob Bob
27
159 (avg. 5.9)
17 (63.0%)
0 (0.0%)
Isogram Isogram
46
195 (avg. 4.2)
39 (84.8%)
2 (4.3%)
D&D Character D&D Character
72
1,568 (avg. 21.8)
56 (77.8%)
0 (0.0%)
List Ops List Ops
5
61 (avg. 12.2)
4 (80.0%)
0 (0.0%)
Luhn Luhn
4
61 (avg. 15.3)
3 (75.0%)
0 (0.0%)
Scrabble Score Scrabble Score
4
89 (avg. 22.3)
3 (75.0%)
0 (0.0%)
Pangram Pangram
6
23 (avg. 3.8)
4 (66.7%)
0 (0.0%)
Minesweeper Minesweeper
3
55 (avg. 18.3)
2 (66.7%)
0 (0.0%)
Yacht Yacht
4
116 (avg. 29.0)
3 (75.0%)
0 (0.0%)
Pig Latin Pig Latin
3
41 (avg. 13.7)
2 (66.7%)
0 (0.0%)
Binary Search Binary Search
4
146 (avg. 36.5)
2 (50.0%)
0 (0.0%)
Secret Handshake Secret Handshake
6
45 (avg. 7.5)
4 (66.7%)
0 (0.0%)
Kindergarten Garden Kindergarten Garden
5
31 (avg. 6.2)
3 (60.0%)
0 (0.0%)
Anagram Anagram
8
90 (avg. 11.3)
3 (37.5%)
0 (0.0%)
85 unimplemented practice exercises
Affine Cipher Affine Cipher
Alphametics Alphametics
Atbash Cipher Atbash Cipher
Baffling Birthdays Baffling Birthdays
Bank Account Bank Account
Binary Search Tree Binary Search Tree
Book Store Book Store
Bottle Song Bottle Song
Circular Buffer Circular Buffer
Complex Numbers Complex Numbers
Connect Connect
Conway's Game of Life Conway's Game of Life
Custom Set Custom Set
Dominoes Dominoes
DOT DSL DOT DSL
Eliud's Eggs Eliud's Eggs
Error Handling Error Handling
Flatten Array Flatten Array
Food Chain Food Chain
Forth Forth
Gigasecond Gigasecond
Go Counting Go Counting
Grade School Grade School
Grains Grains
Grep Grep
Hamming Hamming
Hangman Hangman
High Scores High Scores
House House
Intergalactic Transmission Intergalactic Transmission
ISBN Verifier ISBN Verifier
Killer Sudoku Helper Killer Sudoku Helper
Ledger Ledger
Lens Person Lens Person
Linked List Linked List
Markdown Markdown
Matrix Matrix
Meetup Meetup
Micro Blog Micro Blog
Nth Prime Nth Prime
OCR Numbers OCR Numbers
PaaS I/O PaaS I/O
Palindrome Products Palindrome Products
Parallel Letter Frequency Parallel Letter Frequency
Pascal's Triangle Pascal's Triangle
Perfect Numbers Perfect Numbers
Phone Number Phone Number
Poker Poker
POV POV
Prime Factors Prime Factors
Proverb Proverb
Pythagorean Triplet Pythagorean Triplet
Rail Fence Cipher Rail Fence Cipher
Rational Numbers Rational Numbers
React React
Rectangles Rectangles
Relative Distance Relative Distance
Resistor Color Resistor Color
Resistor Color Duo Resistor Color Duo
Resistor Color Trio Resistor Color Trio
REST API REST API
Robot Name Robot Name
Robot Simulator Robot Simulator
Saddle Points Saddle Points
Satellite Satellite
Say Say
Series Series
SGF Parsing SGF Parsing
Simple Cipher Simple Cipher
Split-Second Stopwatch Split-Second Stopwatch
Square Root Square Root
State of Tic-Tac-Toe State of Tic-Tac-Toe
Strain Strain
Swift Scheduling Swift Scheduling
Tournament Tournament
Transpose Transpose
Tree Building Tree Building
Triangle Triangle
Twelve Days Twelve Days
Two Bucket Two Bucket
Two-Fer Two-Fer
Variable Length Quantity Variable Length Quantity
Word Count Word Count
Word Search Word Search
Wordy Wordy

Programming Tags

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

0 tags

Test Runner

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

Current version: 0438551b20aa8fa0d857eb940a42c9d8575493c8 (Takes up to 10 mins to deploy)

Total Test Runner Runs
16,019
Test Run Pass Rate
23.5% (3768)
Test Run Fail Rate
9.8% (1568)
Test Run Error Rate
66.7% (10683)

Representer

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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.

Analyzer

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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.