OCaml

3,496 students

43 contributors

3,496
students have developed their OCaml skills on Exercism.

Students

3,496

Submissions

29,226

Mentoring Discussions

1,091

The OCaml track needs attention ⚠️

Building

Build

Use your knowledge to build the OCaml track itself

43 contributors

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

24,125

Test Run Pass Rate

30.6% (7383)

Test Run Fail Rate

54.9% (13237)

Test Run Error Rate

14.5% (3505)

Build Analyzers

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.

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 50 practice exercises. Find out more.

Usage statistics

44 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

2,302

3,789 (avg. 1.6)

1,944 (84.4%)

2 (0.1%)

Leap

1,653

3,890 (avg. 2.4)

1,093 (66.1%)

258 (15.6%)

Difference of Squares

825

3,422 (avg. 4.1)

604 (73.2%)

98 (11.9%)

Hamming

862

4,326 (avg. 5.0)

536 (62.2%)

133 (15.4%)

Nucleotide Count

476

2,812 (avg. 5.9)

256 (53.8%)

76 (16.0%)

Raindrops

440

1,088 (avg. 2.5)

356 (80.9%)

73 (16.6%)

RNA Transcription

374

702 (avg. 1.9)

317 (84.8%)

46 (12.3%)

Acronym

227

936 (avg. 4.1)

155 (68.3%)

25 (11.0%)

Allergies

150

293 (avg. 2.0)

97 (64.7%)

7 (4.7%)

Anagram

270

584 (avg. 2.2)

185 (68.5%)

29 (10.7%)

Binary Search Tree

144

455 (avg. 3.2)

83 (57.6%)

1 (0.7%)

Bob

264

696 (avg. 2.6)

210 (79.5%)

44 (16.7%)

ETL

204

415 (avg. 2.0)

167 (81.9%)

30 (14.7%)

Grade School

195

401 (avg. 2.1)

150 (76.9%)

36 (18.5%)

Pangram

157

265 (avg. 1.7)

117 (74.5%)

24 (15.3%)

Space Age

214

349 (avg. 1.6)

163 (76.2%)

29 (13.6%)

Triangle

188

421 (avg. 2.2)

152 (80.9%)

27 (14.4%)

All Your Base

153

295 (avg. 1.9)

97 (63.4%)

8 (5.2%)

Beer Song

124

292 (avg. 2.4)

98 (79.0%)

7 (5.6%)

Binary Search

133

313 (avg. 2.4)

91 (68.4%)

12 (9.0%)

Luhn

120

272 (avg. 2.3)

83 (69.2%)

9 (7.5%)

Matching Brackets

156

298 (avg. 1.9)

111 (71.2%)

19 (12.2%)

Phone Number

109

203 (avg. 1.9)

80 (73.4%)

11 (10.1%)

Word Count

138

295 (avg. 2.1)

103 (74.6%)

12 (8.7%)

Prime Factors

86

139 (avg. 1.6)

60 (69.8%)

7 (8.1%)

Roman Numerals

68

109 (avg. 1.6)

47 (69.1%)

1 (1.5%)

Run-Length Encoding

85

238 (avg. 2.8)

59 (69.4%)

3 (3.5%)

Say

61

107 (avg. 1.8)

38 (62.3%)

3 (4.9%)

Change

55

177 (avg. 3.2)

25 (45.5%)

5 (9.1%)

List Ops

144

472 (avg. 3.3)

99 (68.8%)

32 (22.2%)

Palindrome Products

50

61 (avg. 1.2)

21 (42.0%)

3 (6.0%)

Rectangles

43

79 (avg. 1.8)

20 (46.5%)

2 (4.7%)

Robot Name

57

125 (avg. 2.2)

35 (61.4%)

5 (8.8%)

Atbash Cipher

51

96 (avg. 1.9)

31 (60.8%)

2 (3.9%)

Bowling

50

46 (avg. 0.9)

27 (54.0%)

0 (0.0%)

Dominoes

40

56 (avg. 1.4)

19 (47.5%)

4 (10.0%)

Minesweeper

57

53 (avg. 0.9)

33 (57.9%)

2 (3.5%)

Connect

45

22 (avg. 0.5)

15 (33.3%)

0 (0.0%)

Custom Set

73

110 (avg. 1.5)

33 (45.2%)

9 (12.3%)

Forth

56

111 (avg. 2.0)

23 (41.1%)

1 (1.8%)

Meetup

38

21 (avg. 0.6)

17 (44.7%)

1 (2.6%)

Hangman

51

35 (avg. 0.7)

23 (45.1%)

4 (7.8%)

React

64

280 (avg. 4.4)

17 (26.6%)

0 (0.0%)

Zipper

68

59 (avg. 0.9)

24 (35.3%)

3 (4.4%)

1 deprecated practice exercises

Started

Attempts

Completions

Mentoring requests

Hexadecimal

11

18 (avg. 1.6)

11 (100.0%)

2 (18.2%)

85 unimplemented practice exercises

Affine Cipher

Alphametics

Armstrong Numbers

Bank Account

Book Store

Bottle Song

Circular Buffer

Clock

Collatz Conjecture

Complex Numbers

Crypto Square

D&D Character

DOT DSL

Darts

Diamond

Error Handling

Flatten Array

Food Chain

Gigasecond

Go Counting

Grains

Grep

High Scores

House

ISBN Verifier

Isogram

Killer Sudoku Helper

Kindergarten Garden

Knapsack

Largest Series Product

Ledger

Lens Person

Linked List

Markdown

Matrix

Micro Blog

Nth Prime

OCR Numbers

POV

PaaS I/O

Parallel Letter Frequency

Pascal's Triangle

Perfect Numbers

Pig Latin

Poker

Protein Translation

Proverb

Pythagorean Triplet

Queen Attack

REST API

Rail Fence Cipher

Rational Numbers

Resistor Color

Resistor Color Duo

Resistor Color Trio

Reverse String

Robot Simulator

Rotational Cipher

SGF Parsing

Saddle Points

Satellite

Scale Generator

Scrabble Score

Secret Handshake

Series

Sieve

Simple Cipher

Simple Linked List

Spiral Matrix

Square Root

State of Tic-Tac-Toe

Strain

Sublist

Sum of Multiples

Tournament

Transpose

Tree Building

Twelve Days

Two Bucket

Two-Fer

Variable Length Quantity

Word Search

Wordy

Yacht

Zebra Puzzle

Volunteers

75

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4,578

sshine

1,538

marionebl

1,139

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