Groovy Track Management

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

Students
3,371
Submissions
35,788
Mentoring Discussions
638

The Groovy 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: bd1fc2e24db067490d28be049b0eb40c1f819802 (Updates should be instant)

Next goal: Implement 129 practice exercises. Find out more.
65 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
2,092
5,451 (avg. 2.6)
1,474 (70.5%)
1 (0.0%)
Acronym Acronym
183
984 (avg. 5.4)
125 (68.3%)
9 (4.9%)
Armstrong Numbers Armstrong Numbers
155
612 (avg. 3.9)
123 (79.4%)
4 (2.6%)
Darts Darts
182
455 (avg. 2.5)
140 (76.9%)
2 (1.1%)
Difference of Squares Difference of Squares
258
1,154 (avg. 4.5)
212 (82.2%)
31 (12.0%)
Hamming Hamming
554
3,075 (avg. 5.6)
385 (69.5%)
80 (14.4%)
High Scores High Scores
105
500 (avg. 4.8)
82 (78.1%)
0 (0.0%)
Leap Leap
158
368 (avg. 2.3)
139 (88.0%)
0 (0.0%)
Pangram Pangram
117
488 (avg. 4.2)
98 (83.8%)
4 (3.4%)
Perfect Numbers Perfect Numbers
76
548 (avg. 7.2)
64 (84.2%)
2 (2.6%)
Protein Translation Protein Translation
115
340 (avg. 3.0)
92 (80.0%)
1 (0.9%)
Queen Attack Queen Attack
42
197 (avg. 4.7)
38 (90.5%)
2 (4.8%)
Raindrops Raindrops
328
691 (avg. 2.1)
251 (76.5%)
16 (4.9%)
Resistor Color Resistor Color
146
491 (avg. 3.4)
119 (81.5%)
4 (2.7%)
Resistor Color Duo Resistor Color Duo
99
298 (avg. 3.0)
86 (86.9%)
0 (0.0%)
Resistor Color Trio Resistor Color Trio
86
215 (avg. 2.5)
62 (72.1%)
2 (2.3%)
Reverse String Reverse String
196
272 (avg. 1.4)
171 (87.2%)
3 (1.5%)
RNA Transcription RNA Transcription
118
236 (avg. 2.0)
104 (88.1%)
5 (4.2%)
Robot Name Robot Name
123
370 (avg. 3.0)
90 (73.2%)
14 (11.4%)
Scrabble Score Scrabble Score
254
1,199 (avg. 4.7)
194 (76.4%)
38 (15.0%)
Secret Handshake Secret Handshake
144
652 (avg. 4.5)
118 (81.9%)
27 (18.8%)
Space Age Space Age
92
351 (avg. 3.8)
78 (84.8%)
1 (1.1%)
Strain Strain
88
250 (avg. 2.8)
77 (87.5%)
0 (0.0%)
Two Fer Two Fer
863
4,028 (avg. 4.7)
546 (63.3%)
153 (17.7%)
Word Count Word Count
135
741 (avg. 5.5)
99 (73.3%)
16 (11.9%)
Yacht Yacht
4
22 (avg. 5.5)
3 (75.0%)
0 (0.0%)
All Your Base All Your Base
132
1,357 (avg. 10.3)
117 (88.6%)
2 (1.5%)
Allergies Allergies
65
285 (avg. 4.4)
54 (83.1%)
0 (0.0%)
Anagram Anagram
145
349 (avg. 2.4)
113 (77.9%)
6 (4.1%)
Atbash Cipher Atbash Cipher
47
191 (avg. 4.1)
42 (89.4%)
0 (0.0%)
Bank Account Bank Account
80
546 (avg. 6.8)
60 (75.0%)
14 (17.5%)
Binary Search Binary Search
76
226 (avg. 3.0)
65 (85.5%)
14 (18.4%)
Bob Bob
86
435 (avg. 5.1)
67 (77.9%)
2 (2.3%)
Collatz Conjecture Collatz Conjecture
56
176 (avg. 3.1)
49 (87.5%)
0 (0.0%)
D&D Character D&D Character
35
190 (avg. 5.4)
32 (91.4%)
0 (0.0%)
ETL ETL
56
162 (avg. 2.9)
47 (83.9%)
2 (3.6%)
Flatten Array Flatten Array
117
328 (avg. 2.8)
101 (86.3%)
19 (16.2%)
Gigasecond Gigasecond
269
1,163 (avg. 4.3)
182 (67.7%)
49 (18.2%)
Grains Grains
78
192 (avg. 2.5)
66 (84.6%)
2 (2.6%)
ISBN Verifier ISBN Verifier
68
243 (avg. 3.6)
52 (76.5%)
1 (1.5%)
Isogram Isogram
179
387 (avg. 2.2)
143 (79.9%)
9 (5.0%)
Pig Latin Pig Latin
3
1 (avg. 0.3)
1 (33.3%)
0 (0.0%)
Linked List Linked List
76
132 (avg. 1.7)
58 (76.3%)
14 (18.4%)
Luhn Luhn
69
229 (avg. 3.3)
54 (78.3%)
1 (1.4%)
Matching Brackets Matching Brackets
65
269 (avg. 4.1)
47 (72.3%)
0 (0.0%)
Matrix Matrix
114
358 (avg. 3.1)
88 (77.2%)
28 (24.6%)
Nth Prime Nth Prime
66
221 (avg. 3.3)
52 (78.8%)
1 (1.5%)
Nucleotide Count Nucleotide Count
61
173 (avg. 2.8)
56 (91.8%)
0 (0.0%)
Phone Number Phone Number
79
196 (avg. 2.5)
58 (73.4%)
1 (1.3%)
Prime Factors Prime Factors
48
130 (avg. 2.7)
41 (85.4%)
0 (0.0%)
Proverb Proverb
79
156 (avg. 2.0)
70 (88.6%)
1 (1.3%)
Roman Numerals Roman Numerals
71
206 (avg. 2.9)
58 (81.7%)
1 (1.4%)
Rotational Cipher Rotational Cipher
94
317 (avg. 3.4)
81 (86.2%)
23 (24.5%)
Run-Length Encoding Run-Length Encoding
69
266 (avg. 3.9)
61 (88.4%)
0 (0.0%)
Saddle Points Saddle Points
71
225 (avg. 3.2)
59 (83.1%)
20 (28.2%)
Series Series
59
189 (avg. 3.2)
52 (88.1%)
0 (0.0%)
Largest Series Product Largest Series Product
3
25 (avg. 8.3)
2 (66.7%)
0 (0.0%)
Sum of Multiples Sum of Multiples
60
222 (avg. 3.7)
50 (83.3%)
0 (0.0%)
Triangle Triangle
117
487 (avg. 4.2)
94 (80.3%)
26 (22.2%)
Robot Simulator Robot Simulator
13
31 (avg. 2.4)
10 (76.9%)
0 (0.0%)
Circular Buffer Circular Buffer
115
671 (avg. 5.8)
108 (93.9%)
1 (0.9%)
List Ops List Ops
13
117 (avg. 9.0)
11 (84.6%)
0 (0.0%)
Sieve Sieve
11
42 (avg. 3.8)
10 (90.9%)
0 (0.0%)
Eliud's Eggs Eliud's Eggs
13
42 (avg. 3.2)
13 (100.0%)
0 (0.0%)
Square Root Square Root
15
51 (avg. 3.4)
12 (80.0%)
1 (6.7%)
1 deprecated practice exercises
Started
Attempts
Completions
Mentoring requests
Accumulate Accumulate
242
814 (avg. 3.4)
155 (64.0%)
3 (1.2%)
64 unimplemented practice exercises
Affine Cipher Affine Cipher
Alphametics Alphametics
Binary Search Tree Binary Search Tree
Book Store Book Store
Bottle Song Bottle Song
Bowling Bowling
Change Change
Clock Clock
Complex Numbers Complex Numbers
Connect Connect
Conway's Game of Life Conway's Game of Life
Crypto Square Crypto Square
Custom Set Custom Set
Diamond Diamond
Dominoes Dominoes
DOT DSL DOT DSL
Error Handling Error Handling
Food Chain Food Chain
Forth Forth
Go Counting Go Counting
Grade School Grade School
Grep Grep
Hangman Hangman
House House
Killer Sudoku Helper Killer Sudoku Helper
Kindergarten Garden Kindergarten Garden
Knapsack Knapsack
Ledger Ledger
Lens Person Lens Person
Markdown Markdown
Meetup Meetup
Micro Blog Micro Blog
Minesweeper Minesweeper
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
Poker Poker
POV POV
Pythagorean Triplet Pythagorean Triplet
Rail Fence Cipher Rail Fence Cipher
Rational Numbers Rational Numbers
React React
Rectangles Rectangles
REST API REST API
Satellite Satellite
Say Say
SGF Parsing SGF Parsing
Simple Cipher Simple Cipher
Simple Linked List Simple Linked List
Spiral Matrix Spiral Matrix
State of Tic-Tac-Toe State of Tic-Tac-Toe
Sublist Sublist
Tournament Tournament
Transpose Transpose
Tree Building Tree Building
Twelve Days Twelve Days
Two Bucket Two Bucket
Variable Length Quantity Variable Length Quantity
Word Search Word Search
Wordy Wordy
Zebra Puzzle Zebra Puzzle
Zipper 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

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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: 1866a43b78bb7fd3adab0eb9451ba438f9b8f230 (Takes up to 10 mins to deploy)

Next goal: Get Test Runners to Version 2. Groovy is currently utilising a Version 1 Test Runner. Find out more.
Total Test Runner Runs
33,481
Test Run Pass Rate
26.3% (8791)
Test Run Fail Rate
62.7% (21006)
Test Run Error Rate
11.0% (3684)

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 Groovy: Exercism's analyzers automatically assess student's submissions and provide mentor-style commentary.

Next goal: Build an Analyzer. Find out more.