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* docs: add Japanese documents (`ja/docs`) * docs: add Japanese documents (`ja/codes`) * docs: add Japanese documents * Remove pythontutor blocks in ja/ * Add an empty at the end of each markdown file. * Add the missing figures (use the English version temporarily). * Add index.md for Japanese version. * Add index.html for Japanese version. * Add missing index.assets * Fix backtracking_algorithm.md for Japanese version. * Add avatar_eltociear.jpg. Fix image links on the Japanese landing page. * Add the Japanese banner. --------- Co-authored-by: krahets <krahets@163.com>
117 lines
3.2 KiB
Python
117 lines
3.2 KiB
Python
"""
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File: array_hash_map.py
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Created Time: 2022-12-14
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Author: msk397 (machangxinq@gmail.com)
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"""
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class Pair:
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"""キー値ペア"""
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def __init__(self, key: int, val: str):
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self.key = key
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self.val = val
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class ArrayHashMap:
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"""配列実装に基づくハッシュテーブル"""
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def __init__(self):
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"""コンストラクタ"""
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# 100個のバケットを含む配列を初期化
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self.buckets: list[Pair | None] = [None] * 100
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def hash_func(self, key: int) -> int:
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"""ハッシュ関数"""
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index = key % 100
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return index
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def get(self, key: int) -> str:
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"""照会操作"""
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index: int = self.hash_func(key)
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pair: Pair = self.buckets[index]
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if pair is None:
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return None
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return pair.val
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def put(self, key: int, val: str):
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"""追加操作"""
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pair = Pair(key, val)
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index: int = self.hash_func(key)
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self.buckets[index] = pair
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def remove(self, key: int):
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"""削除操作"""
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index: int = self.hash_func(key)
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# None に設定し、削除を表現
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self.buckets[index] = None
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def entry_set(self) -> list[Pair]:
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"""すべてのキー値ペアを取得"""
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result: list[Pair] = []
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for pair in self.buckets:
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if pair is not None:
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result.append(pair)
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return result
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def key_set(self) -> list[int]:
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"""すべてのキーを取得"""
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result = []
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for pair in self.buckets:
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if pair is not None:
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result.append(pair.key)
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return result
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def value_set(self) -> list[str]:
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"""すべての値を取得"""
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result = []
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for pair in self.buckets:
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if pair is not None:
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result.append(pair.val)
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return result
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def print(self):
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"""ハッシュテーブルを出力"""
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for pair in self.buckets:
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if pair is not None:
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print(pair.key, "->", pair.val)
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"""Driver Code"""
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if __name__ == "__main__":
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# ハッシュテーブルを初期化
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hmap = ArrayHashMap()
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# 追加操作
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# キー値ペア (key, value) をハッシュテーブルに追加
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hmap.put(12836, "Ha")
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hmap.put(15937, "Luo")
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hmap.put(16750, "Suan")
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hmap.put(13276, "Fa")
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hmap.put(10583, "Ya")
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print("\n追加後、ハッシュテーブルは\nKey -> Value")
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hmap.print()
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# 照会操作
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# ハッシュテーブルにキーを入力し、値を取得
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name = hmap.get(15937)
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print("\n学生ID 15937 を入力、名前 " + name + " が見つかりました")
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# 削除操作
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# ハッシュテーブルからキー値ペア (key, value) を削除
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hmap.remove(10583)
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print("\n10583 を削除後、ハッシュテーブルは\nKey -> Value")
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hmap.print()
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# ハッシュテーブルを走査
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print("\nキー値ペアを走査 Key->Value")
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for pair in hmap.entry_set():
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print(pair.key, "->", pair.val)
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print("\nキーを個別に走査 Key")
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for key in hmap.key_set():
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print(key)
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print("\n値を個別に走査 Value")
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for val in hmap.value_set():
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print(val) |