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Add build script for Swift.

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krahets
2023-02-08 20:30:05 +08:00
parent 05f0054005
commit 38751cc5f5
25 changed files with 128 additions and 1223 deletions
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113
docs/chapter_stack_and_queue/queue.md
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@@ -432,59 +432,7 @@ comments: true
=== "Swift"
```swift title="linkedlist_queue.swift"
/* 基于链表实现的队列 */
class LinkedListQueue {
private var front: ListNode? // 头结点
private var rear: ListNode? // 尾结点
private var _size = 0
init() {}
/* 获取队列的长度 */
func size() -> Int {
_size
}
/* 判断队列是否为空 */
func isEmpty() -> Bool {
size() == 0
}
/* 入队 */
func push(num: Int) {
// 尾结点后添加 num
let node = ListNode(x: num)
// 如果队列为空，则令头、尾结点都指向该结点
if front == nil {
front = node
rear = node
}
// 如果队列不为空，则将该结点添加到尾结点后
else {
rear?.next = node
rear = node
}
_size += 1
}
/* 出队 */
@discardableResult
func poll() -> Int {
let num = peek()
// 删除头结点
front = front?.next
_size -= 1
return num
}
/* 访问队首元素 */
func peek() -> Int {
if isEmpty() {
fatalError("队列为空")
}
return front!.val
}
}
[class]{LinkedListQueue}-[func]{}
```
=== "Zig"
@@ -692,64 +640,7 @@ comments: true
=== "Swift"
```swift title="array_queue.swift"
/* 基于环形数组实现的队列 */
class ArrayQueue {
private var nums: [Int] // 用于存储队列元素的数组
private var front = 0 // 队首指针，指向队首元素
private var queSize = 0 // 队列长度
init(capacity: Int) {
// 初始化数组
nums = Array(repeating: 0, count: capacity)
}
/* 获取队列的容量 */
func capacity() -> Int {
nums.count
}
/* 获取队列的长度 */
func size() -> Int {
queSize
}
/* 判断队列是否为空 */
func isEmpty() -> Bool {
queSize == 0
}
/* 入队 */
func push(num: Int) {
if size() == capacity() {
print("队列已满")
return
}
// 计算尾指针，指向队尾索引 + 1
// 通过取余操作，实现 rear 越过数组尾部后回到头部
let rear = (front + queSize) % capacity()
// 尾结点后添加 num
nums[rear] = num
queSize += 1
}
/* 出队 */
@discardableResult
func poll() -> Int {
let num = peek()
// 队首指针向后移动一位，若越过尾部则返回到数组头部
front = (front + 1) % capacity()
queSize -= 1
return num
}
/* 访问队首元素 */
func peek() -> Int {
if isEmpty() {
fatalError("队列为空")
}
return nums[front]
}
}
[class]{ArrayQueue}-[func]{}
```
=== "Zig"