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refactor: Replace poll with pop in Queue and Deque (#415)

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This commit is contained in:
Yudong Jin
2023-03-13 21:58:21 +08:00
committed by GitHub
parent 2d17ee8e92
commit 8aebbaad21
77 changed files with 261 additions and 261 deletions
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44
docs/chapter_stack_and_queue/deque.md
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@@ -6,18 +6,18 @@
## 双向队列常用操作
双向队列的常用操作见下表，方法名需根据语言来确定，此处以 Java 为例。
双向队列的常用操作见下表，方法名需根据语言来确定。
<div class="center-table" markdown>
| 方法名 | 描述 | 时间复杂度 |
| ------------ | ---------------- | ---------- |
| pushFirst() | 将元素添加至队首 | $O(1)$ |
| pushLast() | 将元素添加至队尾 | $O(1)$ |
| pollFirst() | 删除队首元素 | $O(1)$ |
| pollLast() | 删除队尾元素 | $O(1)$ |
| peekFirst() | 访问队首元素 | $O(1)$ |
| peekLast() | 访问队尾元素 | $O(1)$ |
| 方法名 | 描述 | 时间复杂度 |
| ----------- | -------------- | ---------- |
| pushFirst() | 将元素添加至队首 | $O(1)$ |
| pushLast() | 将元素添加至队尾 | $O(1)$ |
| popFirst() | 删除队首元素 | $O(1)$ |
| popLast() | 删除队尾元素 | $O(1)$ |
| peekFirst() | 访问队首元素 | $O(1)$ |
| peekLast() | 访问队尾元素 | $O(1)$ |
</div>
@@ -41,8 +41,8 @@
int peekLast = deque.peekLast(); // 队尾元素
/* 元素出队 */
int pollFirst = deque.pollFirst(); // 队首元素出队
int pollLast = deque.pollLast(); // 队尾元素出队
int popFirst = deque.pollFirst(); // 队首元素出队
int popLast = deque.pollLast(); // 队尾元素出队
/* 获取双向队列的长度 */
int size = deque.size();
@@ -266,9 +266,9 @@
let peekLast = deque.last! // 队尾元素
/* 元素出队 */
// 使用 Array 模拟时 pollFirst 的复杂度为 O(n)
let pollFirst = deque.removeFirst() // 队首元素出队
let pollLast = deque.removeLast() // 队尾元素出队
// 使用 Array 模拟时 popFirst 的复杂度为 O(n)
let popFirst = deque.removeFirst() // 队首元素出队
let popLast = deque.removeLast() // 队尾元素出队
/* 获取双向队列的长度 */
let size = deque.count
@@ -304,11 +304,11 @@
=== "pushFirst()"
![linkedlist_deque_push_first](deque.assets/linkedlist_deque_push_first.png)
=== "pollLast()"
![linkedlist_deque_poll_last](deque.assets/linkedlist_deque_poll_last.png)
=== "popLast()"
![linkedlist_deque_pop_last](deque.assets/linkedlist_deque_pop_last.png)
=== "pollFirst()"
![linkedlist_deque_poll_first](deque.assets/linkedlist_deque_poll_first.png)
=== "popFirst()"
![linkedlist_deque_pop_first](deque.assets/linkedlist_deque_pop_first.png)
以下是具体实现代码。
@@ -403,11 +403,11 @@
=== "pushFirst()"
![array_deque_push_first](deque.assets/array_deque_push_first.png)
=== "pollLast()"
![array_deque_poll_last](deque.assets/array_deque_poll_last.png)
=== "popLast()"
![array_deque_pop_last](deque.assets/array_deque_pop_last.png)
=== "pollFirst()"
![array_deque_poll_first](deque.assets/array_deque_poll_first.png)
=== "popFirst()"
![array_deque_pop_first](deque.assets/array_deque_pop_first.png)
以下是具体实现代码。