Unison Track Management

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

Students
1,374
Submissions
18,240
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: 2fc4256bccd4ef6a0ad713854555824b229f526d (Updates should be instant)

Next goal: Implement 141 practice exercises. Find out more.
53 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
1,286
2,266 (avg. 1.8)
1,017 (79.1%)
0 (0.0%)
Acronym Acronym
725
4,018 (avg. 5.5)
281 (38.8%)
40 (5.5%)
Allergies Allergies
183
667 (avg. 3.6)
107 (58.5%)
6 (3.3%)
Armstrong Numbers Armstrong Numbers
264
1,104 (avg. 4.2)
177 (67.0%)
10 (3.8%)
Bowling Bowling
77
296 (avg. 3.8)
39 (50.6%)
2 (2.6%)
Clock Clock
75
413 (avg. 5.5)
51 (68.0%)
1 (1.3%)
Crypto Square Crypto Square
48
341 (avg. 7.1)
35 (72.9%)
1 (2.1%)
Change Change
44
235 (avg. 5.3)
23 (52.3%)
1 (2.3%)
Collatz Conjecture Collatz Conjecture
133
423 (avg. 3.2)
100 (75.2%)
6 (4.5%)
Darts Darts
90
314 (avg. 3.5)
72 (80.0%)
0 (0.0%)
Diamond Diamond
29
106 (avg. 3.7)
23 (79.3%)
0 (0.0%)
All Your Base All Your Base
35
101 (avg. 2.9)
21 (60.0%)
0 (0.0%)
Leap Leap
118
344 (avg. 2.9)
105 (89.0%)
2 (1.7%)
Matching Brackets Matching Brackets
45
242 (avg. 5.4)
25 (55.6%)
1 (2.2%)
Majority Element Majority Element
44
228 (avg. 5.2)
26 (59.1%)
3 (6.8%)
Nucleotide Count Nucleotide Count
74
211 (avg. 2.9)
61 (82.4%)
1 (1.4%)
RNA Transcription RNA Transcription
74
194 (avg. 2.6)
60 (81.1%)
1 (1.4%)
Rotational Cipher Rotational Cipher
65
522 (avg. 8.0)
57 (87.7%)
0 (0.0%)
Sieve Sieve
43
214 (avg. 5.0)
27 (62.8%)
0 (0.0%)
Simple Linked List Simple Linked List
35
113 (avg. 3.2)
28 (80.0%)
0 (0.0%)
Space Age Space Age
79
258 (avg. 3.3)
66 (83.5%)
0 (0.0%)
Spiral Matrix Spiral Matrix
23
60 (avg. 2.6)
16 (69.6%)
0 (0.0%)
Stream Ops Stream Ops
41
234 (avg. 5.7)
25 (61.0%)
4 (9.8%)
Sublist Sublist
39
160 (avg. 4.1)
28 (71.8%)
0 (0.0%)
Sum Of Multiples Sum Of Multiples
51
365 (avg. 7.2)
40 (78.4%)
0 (0.0%)
Raindrops Raindrops
89
363 (avg. 4.1)
78 (87.6%)
4 (4.5%)
Run Length Encoding Run Length Encoding
57
222 (avg. 3.9)
36 (63.2%)
3 (5.3%)
Queen Attack Queen Attack
30
92 (avg. 3.1)
22 (73.3%)
0 (0.0%)
Zebra Puzzle Zebra Puzzle
25
159 (avg. 6.4)
12 (48.0%)
0 (0.0%)
Zipper Zipper
29
93 (avg. 3.2)
12 (41.4%)
0 (0.0%)
Reverse String Reverse String
49
186 (avg. 3.8)
40 (81.6%)
1 (2.0%)
Protein Translation Protein Translation
22
62 (avg. 2.8)
15 (68.2%)
0 (0.0%)
Difference of Squares Difference of Squares
30
86 (avg. 2.9)
23 (76.7%)
1 (3.3%)
Knapsack Knapsack
12
75 (avg. 6.3)
7 (58.3%)
0 (0.0%)
Roman Numerals Roman Numerals
49
197 (avg. 4.0)
32 (65.3%)
0 (0.0%)
Largest Series Product Largest Series Product
18
142 (avg. 7.9)
10 (55.6%)
0 (0.0%)
ETL ETL
22
51 (avg. 2.3)
13 (59.1%)
0 (0.0%)
Bob Bob
34
194 (avg. 5.7)
23 (67.6%)
0 (0.0%)
Isogram Isogram
53
204 (avg. 3.8)
45 (84.9%)
2 (3.8%)
D&D Character D&D Character
81
1,628 (avg. 20.1)
63 (77.8%)
0 (0.0%)
List Ops List Ops
11
65 (avg. 5.9)
8 (72.7%)
0 (0.0%)
Luhn Luhn
10
72 (avg. 7.2)
6 (60.0%)
0 (0.0%)
Scrabble Score Scrabble Score
9
92 (avg. 10.2)
6 (66.7%)
0 (0.0%)
Pangram Pangram
14
33 (avg. 2.4)
10 (71.4%)
0 (0.0%)
Minesweeper Minesweeper
8
58 (avg. 7.3)
5 (62.5%)
0 (0.0%)
Yacht Yacht
11
128 (avg. 11.6)
7 (63.6%)
0 (0.0%)
Pig Latin Pig Latin
8
43 (avg. 5.4)
4 (50.0%)
0 (0.0%)
Binary Search Binary Search
10
164 (avg. 16.4)
6 (60.0%)
0 (0.0%)
Secret Handshake Secret Handshake
12
50 (avg. 4.2)
8 (66.7%)
0 (0.0%)
Kindergarten Garden Kindergarten Garden
11
39 (avg. 3.5)
7 (63.6%)
0 (0.0%)
Anagram Anagram
15
96 (avg. 6.4)
8 (53.3%)
0 (0.0%)
Flower Field Flower Field
6
8 (avg. 1.3)
4 (66.7%)
0 (0.0%)
Conway's Game of Life Conway's Game of Life
6
4 (avg. 0.7)
4 (66.7%)
0 (0.0%)
1 deprecated practice exercises
Started
Attempts
Completions
Mentoring requests
Scale Generator Scale Generator
17
190 (avg. 11.2)
12 (70.6%)
0 (0.0%)
88 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
Camicia Camicia
Circular Buffer Circular Buffer
Complex Numbers Complex Numbers
Connect Connect
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
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
Line Up Line Up
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
Piecing It Together Piecing It Together
Poker Poker
POV POV
Prime Factors Prime Factors
Prism Prism
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
Save the Cow Save the Cow
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

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: 91b38205275854af1a3dcb9d7a72bd0af0a27c76 (Takes up to 10 mins to deploy)

Total Test Runner Runs
18,127
Test Run Pass Rate
24.7% (4484)
Test Run Fail Rate
11.3% (2054)
Test Run Error Rate
63.9% (11589)

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.