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feat(content): function signatures + test cases

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This commit is contained in:
Kai Chappell
2025-07-13 19:53:34 +01:00
parent 9e6c6d256f
commit 65a8d525f5
203 changed files with 4526 additions and 0 deletions
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20
backend/data/questions/implement-trie-prefix-tree.yaml
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@@ -9,6 +9,26 @@ categories:
patterns:
- trie
function_signature: "class Trie"
test_cases:
visible:
- input: { operations: ["Trie", "insert", "search", "search", "startsWith", "insert", "search"], arguments: [[], ["apple"], ["apple"], ["app"], ["app"], ["app"], ["app"]] }
expected: [null, null, true, false, true, null, true]
hidden:
- input: { operations: ["Trie", "insert", "search"], arguments: [[], ["hello"], ["hello"]] }
expected: [null, null, true]
- input: { operations: ["Trie", "search"], arguments: [[], ["nonexistent"]] }
expected: [null, false]
- input: { operations: ["Trie", "insert", "insert", "search", "search"], arguments: [[], ["abc"], ["ab"], ["abc"], ["ab"]] }
expected: [null, null, null, true, true]
- input: { operations: ["Trie", "insert", "startsWith", "startsWith"], arguments: [[], ["prefix"], ["pre"], ["pref"]] }
expected: [null, null, true, true]
- input: { operations: ["Trie", "insert", "startsWith"], arguments: [[], ["a"], ["b"]] }
expected: [null, null, false]
- input: { operations: ["Trie", "insert", "insert", "search", "startsWith"], arguments: [[], ["app"], ["apple"], ["ap"], ["ap"]] }
expected: [null, null, null, false, true]
description: |
A [**trie**](https://en.wikipedia.org/wiki/Trie) (pronounced as "try") or **prefix tree** is a tree data structure used to efficiently store and retrieve keys in a dataset of strings. There are various applications of this data structure, such as autocomplete and spellchecker.