Add sublist

config.json

@@ -512,6 +512,14 @@
         "prerequisites": [],
         "difficulty": 2
       },
+      {
+        "slug": "sublist",
+        "name": "Sublist",
+        "uuid": "1de7fdc9-752b-4550-80b7-c9bc4a563921",
+        "practices": [],
+        "prerequisites": [],
+        "difficulty": 2
+      },
       {
         "slug": "triangle",
         "name": "Triangle",

exercises/practice/sublist/.docs/instructions.md

@@ -0,0 +1,25 @@
+# Instructions
+
+Given any two lists `A` and `B`, determine if:
+
+- List `A` is equal to list `B`; or
+- List `A` contains list `B` (`A` is a superlist of `B`); or
+- List `A` is contained by list `B` (`A` is a sublist of `B`); or
+- None of the above is true, thus lists `A` and `B` are unequal
+
+Specifically, list `A` is equal to list `B` if both lists have the same values in the same order.
+List `A` is a superlist of `B` if `A` contains a contiguous sub-sequence of values equal to `B`.
+List `A` is a sublist of `B` if `B` contains a contiguous sub-sequence of values equal to `A`.
+
+Examples:
+
+- If `A = []` and `B = []` (both lists are empty), then `A` and `B` are equal
+- If `A = [1, 2, 3]` and `B = []`, then `A` is a superlist of `B`
+- If `A = []` and `B = [1, 2, 3]`, then `A` is a sublist of `B`
+- If `A = [1, 2, 3]` and `B = [1, 2, 3, 4, 5]`, then `A` is a sublist of `B`
+- If `A = [3, 4, 5]` and `B = [1, 2, 3, 4, 5]`, then `A` is a sublist of `B`
+- If `A = [3, 4]` and `B = [1, 2, 3, 4, 5]`, then `A` is a sublist of `B`
+- If `A = [1, 2, 3]` and `B = [1, 2, 3]`, then `A` and `B` are equal
+- If `A = [1, 2, 3, 4, 5]` and `B = [2, 3, 4]`, then `A` is a superlist of `B`
+- If `A = [1, 2, 4]` and `B = [1, 2, 3, 4, 5]`, then `A` and `B` are unequal
+- If `A = [1, 2, 3]` and `B = [1, 3, 2]`, then `A` and `B` are unequal

exercises/practice/sublist/.meta/config.json

@@ -0,0 +1,17 @@
+{
+  "authors": [
+    "BNAndras"
+  ],
+  "files": {
+    "solution": [
+      "sublist.arr"
+    ],
+    "test": [
+      "sublist-test.arr"
+    ],
+    "example": [
+      ".meta/example.arr"
+    ]
+  },
+  "blurb": "Determine if a list is a sublist of another list."
+}

exercises/practice/sublist/.meta/example.arr

@@ -0,0 +1,36 @@
+use context starter2024
+
+provide: sublist end
+
+fun sublist(list-one, list-two):
+  ask:
+    | list-one == list-two then: "equal"
+    | contains-sublist(list-two, list-one) then: "sublist"
+    | contains-sublist(list-one, list-two) then: "superlist"
+    | otherwise: "unequal"
+  end
+end
+
+fun contains-sublist(outer, inner):
+  cases(List) inner:
+    | empty => true
+    | link(_, _) =>
+      cases(List) outer:
+        | empty => false
+        | link(_, rest) =>
+          starts-with(outer, inner) or contains-sublist(rest, inner)
+      end
+    end
+end
+
+fun starts-with(outer, inner):
+  cases(List) inner:
+    | empty => true
+    | link(first-inner, rest-inner) =>
+      cases(List) outer:
+        | empty => false
+        | link(first-outer, rest-outer) =>
+          (first-outer == first-inner) and starts-with(rest-outer, rest-inner)
+      end
+  end
+end

exercises/practice/sublist/.meta/tests.toml

@@ -0,0 +1,64 @@
+# 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.
+
+[97319c93-ebc5-47ab-a022-02a1980e1d29]
+description = "empty lists"
+
+[de27dbd4-df52-46fe-a336-30be58457382]
+description = "empty list within non empty list"
+
+[5487cfd1-bc7d-429f-ac6f-1177b857d4fb]
+description = "non empty list contains empty list"
+
+[1f390b47-f6b2-4a93-bc23-858ba5dda9a6]
+description = "list equals itself"
+
+[7ed2bfb2-922b-4363-ae75-f3a05e8274f5]
+description = "different lists"
+
+[3b8a2568-6144-4f06-b0a1-9d266b365341]
+description = "false start"
+
+[dc39ed58-6311-4814-be30-05a64bc8d9b1]
+description = "consecutive"
+
+[d1270dab-a1ce-41aa-b29d-b3257241ac26]
+description = "sublist at start"
+
+[81f3d3f7-4f25-4ada-bcdc-897c403de1b6]
+description = "sublist in middle"
+
+[43bcae1e-a9cf-470e-923e-0946e04d8fdd]
+description = "sublist at end"
+
+[76cf99ed-0ff0-4b00-94af-4dfb43fe5caa]
+description = "at start of superlist"
+
+[b83989ec-8bdf-4655-95aa-9f38f3e357fd]
+description = "in middle of superlist"
+
+[26f9f7c3-6cf6-4610-984a-662f71f8689b]
+description = "at end of superlist"
+
+[0a6db763-3588-416a-8f47-76b1cedde31e]
+description = "first list missing element from second list"
+
+[83ffe6d8-a445-4a3c-8795-1e51a95e65c3]
+description = "second list missing element from first list"
+
+[7bc76cb8-5003-49ca-bc47-cdfbe6c2bb89]
+description = "first list missing additional digits from second list"
+
+[0d7ee7c1-0347-45c8-9ef5-b88db152b30b]
+description = "order matters to a list"
+
+[5f47ce86-944e-40f9-9f31-6368aad70aa6]
+description = "same digits but different numbers"

exercises/practice/sublist/package.json

@@ -0,0 +1,21 @@
+{
+  "name": "@exercism/pyret",
+  "description": "Exercism exercises in Pyret.",
+  "author": "Katrina Owen",
+  "contributors": [
+    "BNAndras"
+  ],
+  "private": true,
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/exercism/pyret"
+  },
+  "scripts": {
+    "test": "pyret *-test.arr"
+  },
+  "dependencies": {
+    "pyret-npm": "0.0.90"
+  },
+  "packageManager": "npm@11.13.0"
+}

exercises/practice/sublist/sublist-test.arr

@@ -0,0 +1,75 @@
+use context starter2024
+
+include file("sublist.arr")
+
+check "empty lists":
+  sublist([list: ], [list: ]) is "equal"
+end
+
+check "empty list within non empty list":
+  sublist([list: ], [list: 1, 2, 3]) is "sublist"
+end
+
+check "non empty list contains empty list":
+  sublist([list: 1, 2, 3], [list: ]) is "superlist"
+end
+
+check "list equals itself":
+  sublist([list: 1, 2, 3], [list: 1, 2, 3]) is "equal"
+end
+
+check "different lists":
+  sublist([list: 1, 2, 3], [list: 2, 3, 4]) is "unequal"
+end
+
+check "false start":
+  sublist([list: 1, 2, 5], [list: 0, 1, 2, 3, 1, 2, 5, 6]) is "sublist"
+end
+
+check "consecutive":
+  sublist([list: 1, 1, 2], [list: 0, 1, 1, 1, 2, 1, 2]) is "sublist"
+end
+
+check "sublist at start":
+  sublist([list: 0, 1, 2], [list: 0, 1, 2, 3, 4, 5]) is "sublist"
+end
+
+check "sublist in middle":
+  sublist([list: 2, 3, 4], [list: 0, 1, 2, 3, 4, 5]) is "sublist"
+end
+
+check "sublist at end":
+  sublist([list: 3, 4, 5], [list: 0, 1, 2, 3, 4, 5]) is "sublist"
+end
+
+check "at start of superlist":
+  sublist([list: 0, 1, 2, 3, 4, 5], [list: 0, 1, 2]) is "superlist"
+end
+
+check "in middle of superlist":
+  sublist([list: 0, 1, 2, 3, 4, 5], [list: 2, 3]) is "superlist"
+end
+
+check "at end of superlist":
+  sublist([list: 0, 1, 2, 3, 4, 5], [list: 3, 4, 5]) is "superlist"
+end
+
+check "first list missing element from second list":
+  sublist([list: 1, 3], [list: 1, 2, 3]) is "unequal"
+end
+
+check "second list missing element from first list":
+  sublist([list: 1, 2, 3], [list: 1, 3]) is "unequal"
+end
+
+check "first list missing additional digits from second list":
+  sublist([list: 1, 2], [list: 1, 22]) is "unequal"
+end
+
+check "order matters to a list":
+  sublist([list: 1, 2, 3], [list: 3, 2, 1]) is "unequal"
+end
+
+check "same digits but different numbers":
+  sublist([list: 1, 0, 1], [list: 10, 1]) is "unequal"
+end

exercises/practice/sublist/sublist.arr

@@ -0,0 +1,7 @@
+use context starter2024
+
+provide: sublist end
+
+fun sublist(list-one, list-two):
+  raise("please implement the sublist function")
+end