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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 d65ccf7dc2
commit 0262ca8bf6
203 changed files with 4526 additions and 0 deletions
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42
backend/data/questions/lfu-cache.yaml
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@@ -9,6 +9,48 @@ categories:
patterns:
- heap
function_signature: "class LFUCache: def __init__(self, capacity: int); def get(self, key: int) -> int; def put(self, key: int, value: int) -> None"
test_cases:
visible:
- input:
operations: ["LFUCache", "put", "put", "get", "put", "get", "get", "put", "get", "get", "get"]
arguments: [[2], [1, 1], [2, 2], [1], [3, 3], [2], [3], [4, 4], [1], [3], [4]]
expected: [null, null, null, 1, null, -1, 3, null, -1, 3, 4]
- input:
operations: ["LFUCache", "put", "get"]
arguments: [[1], [1, 1], [1]]
expected: [null, null, 1]
- input:
operations: ["LFUCache", "put", "put", "get", "get"]
arguments: [[2], [1, 10], [2, 20], [1], [2]]
expected: [null, null, null, 10, 20]
hidden:
- input:
operations: ["LFUCache", "put", "put", "put", "get"]
arguments: [[2], [1, 1], [2, 2], [3, 3], [1]]
expected: [null, null, null, null, -1]
- input:
operations: ["LFUCache", "put", "get", "put", "get", "get"]
arguments: [[1], [1, 1], [1], [2, 2], [1], [2]]
expected: [null, null, 1, null, -1, 2]
- input:
operations: ["LFUCache", "put", "put", "get", "get", "put", "get", "get", "get"]
arguments: [[2], [1, 1], [2, 2], [1], [1], [3, 3], [2], [3], [1]]
expected: [null, null, null, 1, 1, null, -1, 3, 1]
- input:
operations: ["LFUCache", "put", "put", "put", "put", "get"]
arguments: [[3], [1, 1], [2, 2], [3, 3], [4, 4], [4]]
expected: [null, null, null, null, null, 4]
- input:
operations: ["LFUCache", "put", "get", "put", "get", "put", "get"]
arguments: [[2], [1, 100], [1], [1, 200], [1], [2, 300], [2]]
expected: [null, null, 100, null, 200, null, 300]
- input:
operations: ["LFUCache", "get"]
arguments: [[2], [1]]
expected: [null, -1]
description: |
Design and implement a data structure for a **Least Frequently Used (LFU)** cache.