diff --git a/config.json b/config.json index 1684d42..819392d 100644 --- a/config.json +++ b/config.json @@ -758,6 +758,14 @@ "practices": [], "prerequisites": [], "difficulty": 8 + }, + { + "slug": "yacht", + "name": "Yacht", + "uuid": "67c5ced9-9664-4b9f-a33e-d37f7341cc16", + "practices": [], + "prerequisites": [], + "difficulty": 4 } ] }, 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..02e5723 --- /dev/null +++ b/exercises/practice/yacht/.meta/config.json @@ -0,0 +1,19 @@ +{ + "authors": [ + "kahgoh" + ], + "files": { + "solution": [ + "yacht.v" + ], + "test": [ + "run_test.v" + ], + "example": [ + ".meta/example.v" + ] + }, + "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.v b/exercises/practice/yacht/.meta/example.v new file mode 100644 index 0000000..436ceb8 --- /dev/null +++ b/exercises/practice/yacht/.meta/example.v @@ -0,0 +1,96 @@ +module main + +import arrays + +enum Category as u8 { + yacht + ones + twos + threes + fours + fives + sixes + full_house + four_of_a_kind + little_straight + big_straight + choice +} + +fn score(category Category, rolls []u8) int { + return match category { + .yacht { score_yacht(rolls) } + .ones { score_num(rolls, 1) } + .twos { score_num(rolls, 2) } + .threes { score_num(rolls, 3) } + .fours { score_num(rolls, 4) } + .fives { score_num(rolls, 5) } + .sixes { score_num(rolls, 6) } + .full_house { score_full_house(rolls) } + .four_of_a_kind { score_four_of_a_kind(rolls) } + .little_straight { score_ordered_matches(rolls, [u8(1), 2, 3, 4, 5]) } + .big_straight { score_ordered_matches(rolls, [u8(2), 3, 4, 5, 6]) } + .choice { sum(rolls) } + } +} + +fn score_yacht(rolls []u8) int { + unique := arrays.uniq(rolls) + if (unique.len > 1) { + return 0 + } + return 50 +} + +fn score_num(rolls []u8, req u8) int { + mut score := 0 + for r in rolls { + if r == req { + score += r + } + } + return score +} + +fn score_full_house(rolls []u8) int { + roll_counts := counts(rolls).values() + if roll_counts != [u8(2), 3] && roll_counts != [u8(3), 2] { + return 0 + } + + return sum(rolls) +} + +fn score_four_of_a_kind(rolls []u8) int { + mut score := 0 + roll_counts := counts(rolls) + for n, count in roll_counts { + if count >= 4 { + score += 4 * n + } + } + return score +} + +fn score_ordered_matches(rolls []u8, req []u8) int { + if rolls.sorted() != req { + return 0 + } + return 30 +} + +fn sum(nums []u8) int { + mut sum := 0 + for n in nums { + sum += n + } + return sum +} + +fn counts(rolls []u8) map[u8]u8 { + mut counts := map[u8]u8{} + for r in rolls { + counts[r] += 1 + } + return counts +} 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/run_test.v b/exercises/practice/yacht/run_test.v new file mode 100644 index 0000000..76ea32e --- /dev/null +++ b/exercises/practice/yacht/run_test.v @@ -0,0 +1,117 @@ +module main + +fn test_yacht() { + assert score(Category.yacht, [u8(5), 5, 5, 5, 5]) == 50 +} + +fn test_not_yacht() { + assert score(Category.yacht, [u8(1), 3, 3, 2, 5]) == 0 +} + +fn test_ones() { + assert score(Category.ones, [u8(1), 1, 1, 3, 5]) == 3 +} + +fn test_ones_out_of_order() { + assert score(Category.ones, [u8(3), 1, 1, 5, 1]) == 3 +} + +fn test_no_ones() { + assert score(Category.ones, [u8(4), 3, 6, 5, 5]) == 0 +} + +fn test_twos() { + assert score(Category.twos, [u8(2), 3, 4, 5, 6]) == 2 +} + +fn test_fours() { + assert score(Category.fours, [u8(1), 4, 1, 4, 1]) == 8 +} + +fn test_yacht_counted_as_threes() { + assert score(Category.threes, [u8(3), 3, 3, 3, 3]) == 15 +} + +fn test_yacht_of_3s_counted_as_fives() { + assert score(Category.fives, [u8(3), 3, 3, 3, 3]) == 0 +} + +fn test_fives() { + assert score(Category.fives, [u8(1), 5, 3, 5, 3]) == 10 +} + +fn test_sixes() { + assert score(Category.sixes, [u8(2), 3, 4, 5, 6]) == 6 +} + +fn test_full_house_two_small_three_big() { + assert score(Category.full_house, [u8(2), 2, 4, 4, 4]) == 16 +} + +fn test_full_house_three_small_two_big() { + assert score(Category.full_house, [u8(5), 3, 3, 5, 3]) == 19 +} + +fn test_two_pair_is_not_a_full_house() { + assert score(Category.full_house, [u8(2), 2, 4, 4, 5]) == 0 +} + +fn test_four_of_a_kind_is_not_a_full_house() { + assert score(Category.full_house, [u8(1), 4, 4, 4, 4]) == 0 +} + +fn test_yacht_is_not_a_full_house() { + assert score(Category.full_house, [u8(2), 2, 2, 2, 2]) == 0 +} + +fn test_four_of_a_kind() { + assert score(Category.four_of_a_kind, [u8(6), 6, 4, 6, 6]) == 24 +} + +fn test_yacht_can_be_scored_as_four_of_a_kind() { + assert score(Category.four_of_a_kind, [u8(3), 3, 3, 3, 3]) == 12 +} + +fn test_full_house_is_not_four_of_a_kind() { + assert score(Category.four_of_a_kind, [u8(3), 3, 3, 5, 5]) == 0 +} + +fn test_little_straight() { + assert score(Category.little_straight, [u8(3), 5, 4, 1, 2]) == 30 +} + +fn test_little_straight_as_big_straight() { + assert score(Category.big_straight, [u8(1), 2, 3, 4, 5]) == 0 +} + +fn test_four_in_order_but_not_a_little_straight() { + assert score(Category.little_straight, [u8(1), 1, 2, 3, 4]) == 0 +} + +fn test_no_pairs_but_not_a_little_straight() { + assert score(Category.little_straight, [u8(1), 2, 3, 4, 6]) == 0 +} + +fn test_minimum_is_1_maximum_is_5_but_not_a_little_straight() { + assert score(Category.little_straight, [u8(1), 1, 3, 4, 5]) == 0 +} + +fn test_big_straight() { + assert score(Category.big_straight, [u8(4), 6, 2, 5, 3]) == 30 +} + +fn test_big_straight_as_little_straight() { + assert score(Category.little_straight, [u8(6), 5, 4, 3, 2]) == 0 +} + +fn test_no_pairs_but_not_a_big_straight() { + assert score(Category.big_straight, [u8(6), 5, 4, 3, 1]) == 0 +} + +fn test_choice() { + assert score(Category.choice, [u8(3), 3, 5, 6, 6]) == 23 +} + +fn test_yacht_as_choice() { + assert score(Category.choice, [u8(2), 2, 2, 2, 2]) == 10 +} diff --git a/exercises/practice/yacht/yacht.v b/exercises/practice/yacht/yacht.v new file mode 100644 index 0000000..8341ec4 --- /dev/null +++ b/exercises/practice/yacht/yacht.v @@ -0,0 +1,22 @@ +module main + +import arrays + +enum Category as u8 { + yacht + ones + twos + threes + fours + fives + sixes + full_house + four_of_a_kind + little_straight + big_straight + choice +} + +fn score(category Category, rolls []u8) int { + // Please implement the score function +}