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feat: add leap exercise #9

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Nov 13, 2024
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8 changes: 8 additions & 0 deletions config.json
Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,14 @@
"practices": [],
"prerequisites": [],
"difficulty": 5
},
{
"slug": "leap",
"name": "Leap",
"uuid": "e26e4179-624d-4013-bbc3-3d25883e2d05",
"practices": [],
"prerequisites": [],
"difficulty": 3
}
]
},
Expand Down
3 changes: 3 additions & 0 deletions exercises/practice/leap/.docs/instructions.md
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@@ -0,0 +1,3 @@
# Instructions

Your task is to determine whether a given year is a leap year.
16 changes: 16 additions & 0 deletions exercises/practice/leap/.docs/introduction.md
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@@ -0,0 +1,16 @@
# Introduction

A leap year (in the Gregorian calendar) occurs:

- In every year that is evenly divisible by 4.
- Unless the year is evenly divisible by 100, in which case it's only a leap year if the year is also evenly divisible by 400.

Some examples:

- 1997 was not a leap year as it's not divisible by 4.
- 1900 was not a leap year as it's not divisible by 400.
- 2000 was a leap year!

~~~~exercism/note
For a delightful, four-minute explanation of the whole phenomenon of leap years, check out [this YouTube video](https://www.youtube.com/watch?v=xX96xng7sAE).
~~~~
19 changes: 19 additions & 0 deletions exercises/practice/leap/.meta/config.json
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{
"authors": [
"vaeng"
],
"files": {
"solution": [
"leap.ua"
],
"test": [
"tests.ua"
],
"example": [
".meta/example.ua"
]
},
"blurb": "Determine whether a given year is a leap year.",
"source": "CodeRanch Cattle Drive, Assignment 3",
"source_url": "https://coderanch.com/t/718816/Leap"
}
1 change: 1 addition & 0 deletions exercises/practice/leap/.meta/example.ua
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@@ -0,0 +1 @@
Leap ← ◿2/+=0◿100_400_4
37 changes: 37 additions & 0 deletions exercises/practice/leap/.meta/tests.toml
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# 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.

[6466b30d-519c-438e-935d-388224ab5223]
description = "year not divisible by 4 in common year"

[ac227e82-ee82-4a09-9eb6-4f84331ffdb0]
description = "year divisible by 2, not divisible by 4 in common year"

[4fe9b84c-8e65-489e-970b-856d60b8b78e]
description = "year divisible by 4, not divisible by 100 in leap year"

[7fc6aed7-e63c-48f5-ae05-5fe182f60a5d]
description = "year divisible by 4 and 5 is still a leap year"

[78a7848f-9667-4192-ae53-87b30c9a02dd]
description = "year divisible by 100, not divisible by 400 in common year"

[9d70f938-537c-40a6-ba19-f50739ce8bac]
description = "year divisible by 100 but not by 3 is still not a leap year"

[42ee56ad-d3e6-48f1-8e3f-c84078d916fc]
description = "year divisible by 400 is leap year"

[57902c77-6fe9-40de-8302-587b5c27121e]
description = "year divisible by 400 but not by 125 is still a leap year"

[c30331f6-f9f6-4881-ad38-8ca8c12520c1]
description = "year divisible by 200, not divisible by 400 in common year"
2 changes: 2 additions & 0 deletions exercises/practice/leap/leap.ua
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@@ -0,0 +1,2 @@
Leap ← |2 ⍤"Please implement the Leap function" ⊙⊙

28 changes: 28 additions & 0 deletions exercises/practice/leap/tests.ua
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~ "leap.ua" ~ Leap

# year not divisible by 4 in common year
⍤⤙≍ 0 Leap 2015

# year divisible by 2, not divisible by 4 in common year
⍤⤙≍ 0 Leap 1970

# year divisible by 4, not divisible by 100 in leap year
⍤⤙≍ 1 Leap 1996

# year divisible by 4 and 5 is still a leap year
⍤⤙≍ 1 Leap 1960

# year divisible by 100, not divisible by 400 in common year
⍤⤙≍ 0 Leap 2100

# year divisible by 100 but not by 3 is still not a leap year
⍤⤙≍ 0 Leap 1900

# year divisible by 400 is leap year
⍤⤙≍ 1 Leap 2000

# year divisible by 400 but not by 125 is still a leap year
⍤⤙≍ 1 Leap 2400

# year divisible by 200, not divisible by 400 in common year
⍤⤙≍ 0 Leap 1800