From f0e9d2928fa625c302d0fe6af6e99ba0448f9db4 Mon Sep 17 00:00:00 2001 From: Glenn Jackman Date: Wed, 24 Dec 2025 19:10:26 -0500 Subject: [PATCH] yacht --- config.json | 8 ++ exercises/practice/yacht/.busted | 5 + .../practice/yacht/.docs/instructions.md | 30 +++++ .../practice/yacht/.docs/introduction.md | 11 ++ exercises/practice/yacht/.meta/config.json | 19 +++ exercises/practice/yacht/.meta/example.moon | 69 ++++++++++ .../practice/yacht/.meta/spec_generator.moon | 9 ++ exercises/practice/yacht/.meta/tests.toml | 97 ++++++++++++++ exercises/practice/yacht/yacht.moon | 4 + exercises/practice/yacht/yacht_spec.moon | 118 ++++++++++++++++++ 10 files changed, 370 insertions(+) create mode 100644 exercises/practice/yacht/.busted create mode 100644 exercises/practice/yacht/.docs/instructions.md create mode 100644 exercises/practice/yacht/.docs/introduction.md create mode 100644 exercises/practice/yacht/.meta/config.json create mode 100644 exercises/practice/yacht/.meta/example.moon create mode 100644 exercises/practice/yacht/.meta/spec_generator.moon create mode 100644 exercises/practice/yacht/.meta/tests.toml create mode 100644 exercises/practice/yacht/yacht.moon create mode 100644 exercises/practice/yacht/yacht_spec.moon diff --git a/config.json b/config.json index f130212..d7aa05c 100644 --- a/config.json +++ b/config.json @@ -430,6 +430,14 @@ "practices": [], "prerequisites": [], "difficulty": 4 + }, + { + "slug": "yacht", + "name": "Yacht", + "uuid": "07d5ebc9-cd64-4f33-ba7e-e600192cfaa1", + "practices": [], + "prerequisites": [], + "difficulty": 4 } ] }, diff --git a/exercises/practice/yacht/.busted b/exercises/practice/yacht/.busted new file mode 100644 index 0000000..86b84e7 --- /dev/null +++ b/exercises/practice/yacht/.busted @@ -0,0 +1,5 @@ +return { + default = { + ROOT = { '.' } + } +} diff --git a/exercises/practice/yacht/.docs/instructions.md b/exercises/practice/yacht/.docs/instructions.md new file mode 100644 index 0000000..519b7a6 --- /dev/null +++ b/exercises/practice/yacht/.docs/instructions.md @@ -0,0 +1,30 @@ +# Instructions + +Given five dice and a category, calculate the score of the dice for that category. + +~~~~exercism/note +You'll always be presented with five dice. +Each dice's value will be between one and six inclusively. +The dice may be unordered. +~~~~ + +## Scores in Yacht + +| Category | Score | Description | Example | +| --------------- | ---------------------- | ---------------------------------------- | ------------------- | +| Ones | 1 × number of ones | Any combination | 1 1 1 4 5 scores 3 | +| Twos | 2 × number of twos | Any combination | 2 2 3 4 5 scores 4 | +| Threes | 3 × number of threes | Any combination | 3 3 3 3 3 scores 15 | +| Fours | 4 × number of fours | Any combination | 1 2 3 3 5 scores 0 | +| Fives | 5 × number of fives | Any combination | 5 1 5 2 5 scores 15 | +| Sixes | 6 × number of sixes | Any combination | 2 3 4 5 6 scores 6 | +| Full House | Total of the dice | Three of one number and two of another | 3 3 3 5 5 scores 19 | +| Four of a Kind | Total of the four dice | At least four dice showing the same face | 4 4 4 4 6 scores 16 | +| Little Straight | 30 points | 1-2-3-4-5 | 1 2 3 4 5 scores 30 | +| Big Straight | 30 points | 2-3-4-5-6 | 2 3 4 5 6 scores 30 | +| Choice | Sum of the dice | Any combination | 2 3 3 4 6 scores 18 | +| Yacht | 50 points | All five dice showing the same face | 4 4 4 4 4 scores 50 | + +If the dice do **not** satisfy the requirements of a category, the score is zero. +If, for example, _Four Of A Kind_ is entered in the _Yacht_ category, zero points are scored. +A _Yacht_ scores zero if entered in the _Full House_ category. diff --git a/exercises/practice/yacht/.docs/introduction.md b/exercises/practice/yacht/.docs/introduction.md new file mode 100644 index 0000000..5b541f5 --- /dev/null +++ b/exercises/practice/yacht/.docs/introduction.md @@ -0,0 +1,11 @@ +# Introduction + +Each year, something new is "all the rage" in your high school. +This year it is a dice game: [Yacht][yacht]. + +The game of Yacht is from the same family as Poker Dice, Generala and particularly Yahtzee, of which it is a precursor. +The game consists of twelve rounds. +In each, five dice are rolled and the player chooses one of twelve categories. +The chosen category is then used to score the throw of the dice. + +[yacht]: https://en.wikipedia.org/wiki/Yacht_(dice_game) diff --git a/exercises/practice/yacht/.meta/config.json b/exercises/practice/yacht/.meta/config.json new file mode 100644 index 0000000..a06fbf3 --- /dev/null +++ b/exercises/practice/yacht/.meta/config.json @@ -0,0 +1,19 @@ +{ + "authors": [ + "glennj" + ], + "files": { + "solution": [ + "yacht.moon" + ], + "test": [ + "yacht_spec.moon" + ], + "example": [ + ".meta/example.moon" + ] + }, + "blurb": "Score a single throw of dice in the game Yacht.", + "source": "James Kilfiger, using Wikipedia", + "source_url": "https://en.wikipedia.org/wiki/Yacht_(dice_game)" +} diff --git a/exercises/practice/yacht/.meta/example.moon b/exercises/practice/yacht/.meta/example.moon new file mode 100644 index 0000000..1d8527a --- /dev/null +++ b/exercises/practice/yacht/.meta/example.moon @@ -0,0 +1,69 @@ +import fold from require 'moon' + +local * + +score = (category, dice) -> + switch category + when 'ones' then single 1, dice + when 'twos' then single 2, dice + when 'threes' then single 3, dice + when 'fours' then single 4, dice + when 'fives' then single 5, dice + when 'sixes' then single 6, dice + when 'full house' then full_house dice + when 'four of a kind' then four_of_a_kind dice + when 'little straight' then straight dice, {1, 2, 3, 4, 5} + when 'big straight' then straight dice, {2, 3, 4, 5, 6} + when 'yacht' then yacht dice + when 'choice' then sum dice + + +single = (target, dice) -> + reduce 0, dice, (acc, die) -> acc + if die == target then die else 0 + + +full_house = (dice) -> + s = sorted dice + -- yacht is not a full house + return 0 if s[1] == s[5] + + if (s[1] == s[2] and s[3] == s[5]) or (s[1] == s[3] and s[4] == s[5]) + sum dice + else + 0 + + +four_of_a_kind = (dice) -> + s = sorted dice + if s[1] == s[4] or s[2] == s[5] + 4 * s[3] + else + 0 + + +straight = (dice, target) -> + for i, die in ipairs sorted dice + return 0 if die != target[i] + 30 + + +yacht = (dice) -> + s = sorted dice + if s[1] == s[5] then 50 else 0 + + +sum = (dice) -> + fold dice, (sum, die) -> sum + die + + +sorted = (dice) -> + clone = {table.unpack dice} + table.sort clone + clone + + +reduce = (init, list, f) -> + fold {init, table.unpack list}, f + + +{ :score } diff --git a/exercises/practice/yacht/.meta/spec_generator.moon b/exercises/practice/yacht/.meta/spec_generator.moon new file mode 100644 index 0000000..1cbce4b --- /dev/null +++ b/exercises/practice/yacht/.meta/spec_generator.moon @@ -0,0 +1,9 @@ +{ + module_name: 'Yacht', + generate_test: (case, level) -> + lines = { + "result = Yacht.score #{quote case.input.category}, {#{table.concat case.input.dice, ', '}}", + "assert.is.equal #{case.expected}, result" + } + table.concat [indent line, level for line in *lines], '\n' +} diff --git a/exercises/practice/yacht/.meta/tests.toml b/exercises/practice/yacht/.meta/tests.toml new file mode 100644 index 0000000..b9d9203 --- /dev/null +++ b/exercises/practice/yacht/.meta/tests.toml @@ -0,0 +1,97 @@ +# This is an auto-generated file. +# +# Regenerating this file via `configlet sync` will: +# - Recreate every `description` key/value pair +# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications +# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion) +# - Preserve any other key/value pair +# +# As user-added comments (using the # character) will be removed when this file +# is regenerated, comments can be added via a `comment` key. + +[3060e4a5-4063-4deb-a380-a630b43a84b6] +description = "Yacht" + +[15026df2-f567-482f-b4d5-5297d57769d9] +description = "Not Yacht" + +[36b6af0c-ca06-4666-97de-5d31213957a4] +description = "Ones" + +[023a07c8-6c6e-44d0-bc17-efc5e1b8205a] +description = "Ones, out of order" + +[7189afac-cccd-4a74-8182-1cb1f374e496] +description = "No ones" + +[793c4292-dd14-49c4-9707-6d9c56cee725] +description = "Twos" + +[dc41bceb-d0c5-4634-a734-c01b4233a0c6] +description = "Fours" + +[f6125417-5c8a-4bca-bc5b-b4b76d0d28c8] +description = "Yacht counted as threes" + +[464fc809-96ed-46e4-acb8-d44e302e9726] +description = "Yacht of 3s counted as fives" + +[d054227f-3a71-4565-a684-5c7e621ec1e9] +description = "Fives" + +[e8a036e0-9d21-443a-8b5f-e15a9e19a761] +description = "Sixes" + +[51cb26db-6b24-49af-a9ff-12f53b252eea] +description = "Full house two small, three big" + +[1822ca9d-f235-4447-b430-2e8cfc448f0c] +description = "Full house three small, two big" + +[b208a3fc-db2e-4363-a936-9e9a71e69c07] +description = "Two pair is not a full house" + +[b90209c3-5956-445b-8a0b-0ac8b906b1c2] +description = "Four of a kind is not a full house" + +[32a3f4ee-9142-4edf-ba70-6c0f96eb4b0c] +description = "Yacht is not a full house" + +[b286084d-0568-4460-844a-ba79d71d79c6] +description = "Four of a Kind" + +[f25c0c90-5397-4732-9779-b1e9b5f612ca] +description = "Yacht can be scored as Four of a Kind" + +[9f8ef4f0-72bb-401a-a871-cbad39c9cb08] +description = "Full house is not Four of a Kind" + +[b4743c82-1eb8-4a65-98f7-33ad126905cd] +description = "Little Straight" + +[7ac08422-41bf-459c-8187-a38a12d080bc] +description = "Little Straight as Big Straight" + +[97bde8f7-9058-43ea-9de7-0bc3ed6d3002] +description = "Four in order but not a little straight" + +[cef35ff9-9c5e-4fd2-ae95-6e4af5e95a99] +description = "No pairs but not a little straight" + +[fd785ad2-c060-4e45-81c6-ea2bbb781b9d] +description = "Minimum is 1, maximum is 5, but not a little straight" + +[35bd74a6-5cf6-431a-97a3-4f713663f467] +description = "Big Straight" + +[87c67e1e-3e87-4f3a-a9b1-62927822b250] +description = "Big Straight as little straight" + +[c1fa0a3a-40ba-4153-a42d-32bc34d2521e] +description = "No pairs but not a big straight" + +[207e7300-5d10-43e5-afdd-213e3ac8827d] +description = "Choice" + +[b524c0cf-32d2-4b40-8fb3-be3500f3f135] +description = "Yacht as choice" diff --git a/exercises/practice/yacht/yacht.moon b/exercises/practice/yacht/yacht.moon new file mode 100644 index 0000000..90ce746 --- /dev/null +++ b/exercises/practice/yacht/yacht.moon @@ -0,0 +1,4 @@ +{ + score: (category, dice) -> + error 'Implement me' +} diff --git a/exercises/practice/yacht/yacht_spec.moon b/exercises/practice/yacht/yacht_spec.moon new file mode 100644 index 0000000..36ea83b --- /dev/null +++ b/exercises/practice/yacht/yacht_spec.moon @@ -0,0 +1,118 @@ +Yacht = require 'yacht' + +describe 'yacht', -> + it 'Yacht', -> + result = Yacht.score 'yacht', {5, 5, 5, 5, 5} + assert.is.equal 50, result + + pending 'Not Yacht', -> + result = Yacht.score 'yacht', {1, 3, 3, 2, 5} + assert.is.equal 0, result + + pending 'Ones', -> + result = Yacht.score 'ones', {1, 1, 1, 3, 5} + assert.is.equal 3, result + + pending 'Ones, out of order', -> + result = Yacht.score 'ones', {3, 1, 1, 5, 1} + assert.is.equal 3, result + + pending 'No ones', -> + result = Yacht.score 'ones', {4, 3, 6, 5, 5} + assert.is.equal 0, result + + pending 'Twos', -> + result = Yacht.score 'twos', {2, 3, 4, 5, 6} + assert.is.equal 2, result + + pending 'Fours', -> + result = Yacht.score 'fours', {1, 4, 1, 4, 1} + assert.is.equal 8, result + + pending 'Yacht counted as threes', -> + result = Yacht.score 'threes', {3, 3, 3, 3, 3} + assert.is.equal 15, result + + pending 'Yacht of 3s counted as fives', -> + result = Yacht.score 'fives', {3, 3, 3, 3, 3} + assert.is.equal 0, result + + pending 'Fives', -> + result = Yacht.score 'fives', {1, 5, 3, 5, 3} + assert.is.equal 10, result + + pending 'Sixes', -> + result = Yacht.score 'sixes', {2, 3, 4, 5, 6} + assert.is.equal 6, result + + pending 'Full house two small, three big', -> + result = Yacht.score 'full house', {2, 2, 4, 4, 4} + assert.is.equal 16, result + + pending 'Full house three small, two big', -> + result = Yacht.score 'full house', {5, 3, 3, 5, 3} + assert.is.equal 19, result + + pending 'Two pair is not a full house', -> + result = Yacht.score 'full house', {2, 2, 4, 4, 5} + assert.is.equal 0, result + + pending 'Four of a kind is not a full house', -> + result = Yacht.score 'full house', {1, 4, 4, 4, 4} + assert.is.equal 0, result + + pending 'Yacht is not a full house', -> + result = Yacht.score 'full house', {2, 2, 2, 2, 2} + assert.is.equal 0, result + + pending 'Four of a Kind', -> + result = Yacht.score 'four of a kind', {6, 6, 4, 6, 6} + assert.is.equal 24, result + + pending 'Yacht can be scored as Four of a Kind', -> + result = Yacht.score 'four of a kind', {3, 3, 3, 3, 3} + assert.is.equal 12, result + + pending 'Full house is not Four of a Kind', -> + result = Yacht.score 'four of a kind', {3, 3, 3, 5, 5} + assert.is.equal 0, result + + pending 'Little Straight', -> + result = Yacht.score 'little straight', {3, 5, 4, 1, 2} + assert.is.equal 30, result + + pending 'Little Straight as Big Straight', -> + result = Yacht.score 'big straight', {1, 2, 3, 4, 5} + assert.is.equal 0, result + + pending 'Four in order but not a little straight', -> + result = Yacht.score 'little straight', {1, 1, 2, 3, 4} + assert.is.equal 0, result + + pending 'No pairs but not a little straight', -> + result = Yacht.score 'little straight', {1, 2, 3, 4, 6} + assert.is.equal 0, result + + pending 'Minimum is 1, maximum is 5, but not a little straight', -> + result = Yacht.score 'little straight', {1, 1, 3, 4, 5} + assert.is.equal 0, result + + pending 'Big Straight', -> + result = Yacht.score 'big straight', {4, 6, 2, 5, 3} + assert.is.equal 30, result + + pending 'Big Straight as little straight', -> + result = Yacht.score 'little straight', {6, 5, 4, 3, 2} + assert.is.equal 0, result + + pending 'No pairs but not a big straight', -> + result = Yacht.score 'big straight', {6, 5, 4, 3, 1} + assert.is.equal 0, result + + pending 'Choice', -> + result = Yacht.score 'choice', {3, 3, 5, 6, 6} + assert.is.equal 23, result + + pending 'Yacht as choice', -> + result = Yacht.score 'choice', {2, 2, 2, 2, 2} + assert.is.equal 10, result