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Add time complexity in stack, queue, deque. Update heap.
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@@ -18,16 +18,16 @@ comments: true
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<div class="center-table" markdown>
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| 方法 | 描述 |
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| ------------ | ---------------- |
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| offerFirst() | 将元素添加至队首 |
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| offerLast() | 将元素添加至队尾 |
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| pollFirst() | 删除队首元素 |
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| pollLast() | 删除队尾元素 |
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| peekFirst() | 访问队首元素 |
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| peekLast() | 访问队尾元素 |
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| size() | 获取队列的长度 |
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| isEmpty() | 判断队列是否为空 |
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| 方法 | 描述 | 时间复杂度 |
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| ------------ | ---------------- | ---------- |
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| offerFirst() | 将元素添加至队首 | $O(1)$ |
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| offerLast() | 将元素添加至队尾 | $O(1)$ |
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| pollFirst() | 删除队首元素 | $O(1)$ |
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| pollLast() | 删除队尾元素 | $O(1)$ |
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| peekFirst() | 访问队首元素 | $O(1)$ |
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| peekLast() | 访问队尾元素 | $O(1)$ |
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| size() | 获取队列的长度 | $O(1)$ |
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| isEmpty() | 判断队列是否为空 | $O(1)$ |
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</div>
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@@ -196,5 +196,5 @@ comments: true
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=== "Swift"
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```swift title="deque.swift"
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```
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