OCaml Track Management

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

Students
4,702
Submissions
48,813
Mentoring Discussions
1,162

The OCaml 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: fa226ea95c9e3ccf71bef911a3edb151d298a50a (Updates should be instant)

Next goal: Implement at least 50 practice exercises. Find out more.
46 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
3,489
5,533 (avg. 1.6)
2,952 (84.6%)
2 (0.1%)
Leap Leap
2,431
6,723 (avg. 2.8)
1,585 (65.2%)
288 (11.8%)
Difference of Squares Difference of Squares
1,316
5,912 (avg. 4.5)
952 (72.3%)
116 (8.8%)
Hamming Hamming
1,194
7,393 (avg. 6.2)
748 (62.6%)
145 (12.1%)
Nucleotide Count Nucleotide Count
695
4,863 (avg. 7.0)
337 (48.5%)
82 (11.8%)
Raindrops Raindrops
585
1,655 (avg. 2.8)
472 (80.7%)
76 (13.0%)
Reverse String Reverse String
87
268 (avg. 3.1)
66 (75.9%)
1 (1.1%)
RNA Transcription RNA Transcription
477
885 (avg. 1.9)
404 (84.7%)
47 (9.9%)
Acronym Acronym
327
1,453 (avg. 4.4)
224 (68.5%)
26 (8.0%)
Allergies Allergies
239
621 (avg. 2.6)
163 (68.2%)
9 (3.8%)
Anagram Anagram
342
765 (avg. 2.2)
239 (69.9%)
30 (8.8%)
Binary Search Tree Binary Search Tree
238
776 (avg. 3.3)
140 (58.8%)
1 (0.4%)
Bob Bob
334
1,164 (avg. 3.5)
260 (77.8%)
45 (13.5%)
ETL ETL
262
534 (avg. 2.0)
208 (79.4%)
30 (11.5%)
Grade School Grade School
244
583 (avg. 2.4)
185 (75.8%)
36 (14.8%)
Pangram Pangram
220
450 (avg. 2.0)
168 (76.4%)
24 (10.9%)
Space Age Space Age
268
516 (avg. 1.9)
202 (75.4%)
30 (11.2%)
Triangle Triangle
251
604 (avg. 2.4)
205 (81.7%)
27 (10.8%)
All Your Base All Your Base
211
701 (avg. 3.3)
133 (63.0%)
9 (4.3%)
Beer Song Beer Song
163
438 (avg. 2.7)
124 (76.1%)
7 (4.3%)
Binary Search Binary Search
192
588 (avg. 3.1)
131 (68.2%)
12 (6.3%)
Luhn Luhn
163
495 (avg. 3.0)
115 (70.6%)
10 (6.1%)
Matching Brackets Matching Brackets
199
483 (avg. 2.4)
140 (70.4%)
19 (9.5%)
Phone Number Phone Number
142
268 (avg. 1.9)
96 (67.6%)
11 (7.7%)
Word Count Word Count
171
493 (avg. 2.9)
124 (72.5%)
12 (7.0%)
Prime Factors Prime Factors
115
355 (avg. 3.1)
77 (67.0%)
7 (6.1%)
Roman Numerals Roman Numerals
99
231 (avg. 2.3)
66 (66.7%)
2 (2.0%)
Run-Length Encoding Run-Length Encoding
114
402 (avg. 3.5)
73 (64.0%)
3 (2.6%)
Say Say
88
175 (avg. 2.0)
52 (59.1%)
4 (4.5%)
Change Change
76
240 (avg. 3.2)
37 (48.7%)
5 (6.6%)
List Ops List Ops
188
995 (avg. 5.3)
109 (58.0%)
33 (17.6%)
Palindrome Products Palindrome Products
74
191 (avg. 2.6)
29 (39.2%)
3 (4.1%)
Rectangles Rectangles
59
109 (avg. 1.8)
27 (45.8%)
2 (3.4%)
Robot Name Robot Name
79
143 (avg. 1.8)
44 (55.7%)
5 (6.3%)
Atbash Cipher Atbash Cipher
70
156 (avg. 2.2)
39 (55.7%)
2 (2.9%)
Bowling Bowling
67
61 (avg. 0.9)
33 (49.3%)
0 (0.0%)
Dominoes Dominoes
53
87 (avg. 1.6)
25 (47.2%)
4 (7.5%)
Minesweeper Minesweeper
110
434 (avg. 3.9)
66 (60.0%)
2 (1.8%)
Connect Connect
61
58 (avg. 1.0)
20 (32.8%)
1 (1.6%)
Custom Set Custom Set
98
188 (avg. 1.9)
42 (42.9%)
9 (9.2%)
Forth Forth
76
234 (avg. 3.1)
31 (40.8%)
2 (2.6%)
Meetup Meetup
54
43 (avg. 0.8)
24 (44.4%)
1 (1.9%)
Hangman Hangman
71
64 (avg. 0.9)
30 (42.3%)
4 (5.6%)
React React
88
368 (avg. 4.2)
22 (25.0%)
0 (0.0%)
Zipper Zipper
87
91 (avg. 1.0)
29 (33.3%)
3 (3.4%)
Sieve Sieve
5
6 (avg. 1.2)
3 (60.0%)
0 (0.0%)
1 deprecated practice exercises
Started
Attempts
Completions
Mentoring requests
Hexadecimal Hexadecimal
11
18 (avg. 1.6)
11 (100.0%)
2 (18.2%)
84 unimplemented practice exercises
Affine Cipher Affine Cipher
Alphametics Alphametics
Armstrong Numbers Armstrong Numbers
Bank Account Bank Account
Book Store Book Store
Bottle Song Bottle Song
Circular Buffer Circular Buffer
Clock Clock
Collatz Conjecture Collatz Conjecture
Complex Numbers Complex Numbers
Conway's Game of Life Conway's Game of Life
Crypto Square Crypto Square
D&D Character D&D Character
Darts Darts
Diamond Diamond
DOT DSL DOT DSL
Eliud's Eggs Eliud's Eggs
Error Handling Error Handling
Flatten Array Flatten Array
Food Chain Food Chain
Gigasecond Gigasecond
Go Counting Go Counting
Grains Grains
Grep Grep
High Scores High Scores
House House
ISBN Verifier ISBN Verifier
Isogram Isogram
Killer Sudoku Helper Killer Sudoku Helper
Kindergarten Garden Kindergarten Garden
Knapsack Knapsack
Largest Series Product Largest Series Product
Ledger Ledger
Lens Person Lens Person
Linked List Linked List
Markdown Markdown
Matrix Matrix
Micro Blog Micro Blog
Nth Prime Nth Prime
OCR Numbers OCR Numbers
PaaS I/O PaaS I/O
Parallel Letter Frequency Parallel Letter Frequency
Pascal's Triangle Pascal's Triangle
Perfect Numbers Perfect Numbers
Pig Latin Pig Latin
Poker Poker
POV POV
Protein Translation Protein Translation
Proverb Proverb
Pythagorean Triplet Pythagorean Triplet
Queen Attack Queen Attack
Rail Fence Cipher Rail Fence Cipher
Rational Numbers Rational Numbers
Resistor Color Resistor Color
Resistor Color Duo Resistor Color Duo
Resistor Color Trio Resistor Color Trio
REST API REST API
Robot Simulator Robot Simulator
Rotational Cipher Rotational Cipher
Saddle Points Saddle Points
Satellite Satellite
Scrabble Score Scrabble Score
Secret Handshake Secret Handshake
Series Series
SGF Parsing SGF Parsing
Simple Cipher Simple Cipher
Simple Linked List Simple Linked List
Spiral Matrix Spiral Matrix
Square Root Square Root
State of Tic-Tac-Toe State of Tic-Tac-Toe
Strain Strain
Sublist Sublist
Sum of Multiples Sum of Multiples
Tournament Tournament
Transpose Transpose
Tree Building Tree Building
Twelve Days Twelve Days
Two Bucket Two Bucket
Two-Fer Two-Fer
Variable Length Quantity Variable Length Quantity
Word Search Word Search
Wordy Wordy
Yacht Yacht
Zebra Puzzle Zebra Puzzle

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: 32873e882034430f151f3521fcc3a449e9dbd134 (Takes up to 10 mins to deploy)

Total Test Runner Runs
45,278
Test Run Pass Rate
27.1% (12255)
Test Run Fail Rate
34.9% (15789)
Test Run Error Rate
38.1% (17234)

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

Next goal: Build an Analyzer. Find out more.