Merge pull request #77 from S-N-O-R-L-A-X/queue
complement js and ts code in Queue
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commit
6ce8085804
30
codes/javascript/chapter_stack_and_queue/queue.js
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30
codes/javascript/chapter_stack_and_queue/queue.js
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/**
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* File: queue.js
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* Created Time: 2022-12-05
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* Author: S-N-O-R-L-A-X (snorlax.xu@outlook.com)
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*/
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/* 初始化队列 */
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// JavaScript 没有内置的队列,可以把 Array 当作队列来使用
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// 注意:由于是数组,所以 shift() 的时间复杂度是 O(n)
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const queue = [];
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/* 元素入队 */
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queue.push(1);
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queue.push(3);
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queue.push(2);
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queue.push(5);
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queue.push(4);
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/* 访问队首元素 */
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const peek = queue[0];
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/* 元素出队 */
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// O(n)
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const poll = queue.shift();
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/* 获取队列的长度 */
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const size = queue.length;
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/* 判断队列是否为空 */
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const empty = queue.length === 0;
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32
codes/typescript/chapter_stack_and_queue/queue.ts
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32
codes/typescript/chapter_stack_and_queue/queue.ts
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/**
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* File: queue.ts
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* Created Time: 2022-12-05
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* Author: S-N-O-R-L-A-X (snorlax.xu@outlook.com)
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*/
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/* 初始化队列 */
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// TypeScript 没有内置的队列,可以把 Array 当作队列来使用
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// 注意:由于是数组,所以 shift() 的时间复杂度是 O(n)
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const queue: number[] = [];
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/* 元素入队 */
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queue.push(1);
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queue.push(3);
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queue.push(2);
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queue.push(5);
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queue.push(4);
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/* 访问队首元素 */
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const peek = queue[0];
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/* 元素出队 */
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// O(n)
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const poll = queue.shift();
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/* 获取队列的长度 */
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const size = queue.length;
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/* 判断队列是否为空 */
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const empty = queue.length === 0;
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export { };
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@ -20,13 +20,13 @@ 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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| offer() | 元素入队,即将元素添加至队尾 |
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| poll() | 队首元素出队 |
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| front() | 访问队首元素 |
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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 |
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| --------- | ---------------------------- |
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| offer() | 元素入队,即将元素添加至队尾 |
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| poll() | 队首元素出队 |
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| front() | 访问队首元素 |
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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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</div>
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@ -143,13 +143,59 @@ comments: true
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=== "JavaScript"
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```js title="queue.js"
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/* 初始化队列 */
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// JavaScript 没有内置的队列,可以把 Array 当作队列来使用
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// 注意:由于是数组,所以 shift() 的时间复杂度是 O(n)
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const queue = [];
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/* 元素入队 */
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queue.push(1);
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queue.push(3);
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queue.push(2);
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queue.push(5);
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queue.push(4);
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/* 访问队首元素 */
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const peek = queue[0];
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/* 元素出队 */
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// O(n)
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const poll = queue.shift();
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/* 获取队列的长度 */
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const size = queue.length;
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/* 判断队列是否为空 */
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const empty = queue.length === 0;
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```
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=== "TypeScript"
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```typescript title="queue.ts"
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/* 初始化队列 */
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// TypeScript 没有内置的队列,可以把 Array 当作队列来使用
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// 注意:由于是数组,所以 shift() 的时间复杂度是 O(n)
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const queue: number[] = [];
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/* 元素入队 */
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queue.push(1);
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queue.push(3);
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queue.push(2);
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queue.push(5);
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queue.push(4);
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/* 访问队首元素 */
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const peek = queue[0];
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/* 元素出队 */
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// O(n)
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const poll = queue.shift();
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/* 获取队列的长度 */
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const size = queue.length;
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/* 判断队列是否为空 */
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const empty = queue.length === 0;
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```
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=== "C"
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