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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>
42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
"""
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File: deque.py
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Created Time: 2022-11-29
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Author: Peng Chen (pengchzn@gmail.com)
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"""
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from collections import deque
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"""Driver Code"""
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if __name__ == "__main__":
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# 双端キューを初期化
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deq: deque[int] = deque()
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# 要素をエンキュー
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deq.append(2) # 後端に追加
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deq.append(5)
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deq.append(4)
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deq.appendleft(3) # 前端に追加
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deq.appendleft(1)
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print("双端キュー deque =", deq)
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# 要素にアクセス
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front: int = deq[0] # 前端要素
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print("前端要素 front =", front)
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rear: int = deq[-1] # 後端要素
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print("後端要素 rear =", rear)
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# 要素をデキュー
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pop_front: int = deq.popleft() # 前端要素のデキュー
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print("前端でデキューされた要素 pop_front =", pop_front)
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print("前端デキュー後のデック =", deq)
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pop_rear: int = deq.pop() # 後端要素のデキュー
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print("後端でデキューされた要素 pop_rear =", pop_rear)
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print("後端デキュー後のデック =", deq)
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# 双端キューの長さを取得
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size: int = len(deq)
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print("双端キューの長さ size =", size)
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# 双端キューが空かどうかを判定
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is_empty: bool = len(deq) == 0
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print("双端キューが空かどうか =", is_empty) |