This commit is contained in:
krahets
2023-10-18 02:16:55 +08:00
parent 64c5d13051
commit d2ba55fcd6
22 changed files with 374 additions and 436 deletions

View File

@@ -1031,16 +1031,14 @@ comments: true
```c title="linkedlist_queue.c"
/* 基于链表实现的队列 */
struct linkedListQueue {
typedef struct {
ListNode *front, *rear;
int queSize;
};
typedef struct linkedListQueue linkedListQueue;
} LinkedListQueue;
/* 构造函数 */
linkedListQueue *newLinkedListQueue() {
linkedListQueue *queue = (linkedListQueue *)malloc(sizeof(linkedListQueue));
LinkedListQueue *newLinkedListQueue() {
LinkedListQueue *queue = (LinkedListQueue *)malloc(sizeof(LinkedListQueue));
queue->front = NULL;
queue->rear = NULL;
queue->queSize = 0;
@@ -1048,7 +1046,7 @@ comments: true
}
/* 析构函数 */
void delLinkedListQueue(linkedListQueue *queue) {
void delLinkedListQueue(LinkedListQueue *queue) {
// 释放所有节点
for (int i = 0; i < queue->queSize && queue->front != NULL; i++) {
ListNode *tmp = queue->front;
@@ -1060,17 +1058,17 @@ comments: true
}
/* 获取队列的长度 */
int size(linkedListQueue *queue) {
int size(LinkedListQueue *queue) {
return queue->queSize;
}
/* 判断队列是否为空 */
bool empty(linkedListQueue *queue) {
bool empty(LinkedListQueue *queue) {
return (size(queue) == 0);
}
/* 入队 */
void push(linkedListQueue *queue, int num) {
void push(LinkedListQueue *queue, int num) {
// 尾节点处添加 node
ListNode *node = newListNode(num);
// 如果队列为空,则令头、尾节点都指向该节点
@@ -1087,13 +1085,13 @@ comments: true
}
/* 访问队首元素 */
int peek(linkedListQueue *queue) {
int peek(LinkedListQueue *queue) {
assert(size(queue) && queue->front);
return queue->front->val;
}
/* 出队 */
void pop(linkedListQueue *queue) {
void pop(LinkedListQueue *queue) {
int num = peek(queue);
ListNode *tmp = queue->front;
queue->front = queue->front->next;
@@ -1102,7 +1100,7 @@ comments: true
}
/* 打印队列 */
void printLinkedListQueue(linkedListQueue *queue) {
void printLinkedListQueue(LinkedListQueue *queue) {
int arr[queue->queSize];
// 拷贝链表中的数据到数组
int i;
@@ -1954,18 +1952,16 @@ comments: true
```c title="array_queue.c"
/* 基于环形数组实现的队列 */
struct arrayQueue {
typedef struct {
int *nums; // 用于存储队列元素的数组
int front; // 队首指针,指向队首元素
int queSize; // 尾指针,指向队尾 + 1
int queCapacity; // 队列容量
};
typedef struct arrayQueue arrayQueue;
} ArrayQueue;
/* 构造函数 */
arrayQueue *newArrayQueue(int capacity) {
arrayQueue *queue = (arrayQueue *)malloc(sizeof(arrayQueue));
ArrayQueue *newArrayQueue(int capacity) {
ArrayQueue *queue = (ArrayQueue *)malloc(sizeof(ArrayQueue));
// 初始化数组
queue->queCapacity = capacity;
queue->nums = (int *)malloc(sizeof(int) * queue->queCapacity);
@@ -1974,34 +1970,34 @@ comments: true
}
/* 析构函数 */
void delArrayQueue(arrayQueue *queue) {
void delArrayQueue(ArrayQueue *queue) {
free(queue->nums);
queue->queCapacity = 0;
}
/* 获取队列的容量 */
int capacity(arrayQueue *queue) {
int capacity(ArrayQueue *queue) {
return queue->queCapacity;
}
/* 获取队列的长度 */
int size(arrayQueue *queue) {
int size(ArrayQueue *queue) {
return queue->queSize;
}
/* 判断队列是否为空 */
bool empty(arrayQueue *queue) {
bool empty(ArrayQueue *queue) {
return queue->queSize == 0;
}
/* 访问队首元素 */
int peek(arrayQueue *queue) {
int peek(ArrayQueue *queue) {
assert(size(queue) != 0);
return queue->nums[queue->front];
}
/* 入队 */
void push(arrayQueue *queue, int num) {
void push(ArrayQueue *queue, int num) {
if (size(queue) == capacity(queue)) {
printf("队列已满\r\n");
return;
@@ -2015,7 +2011,7 @@ comments: true
}
/* 出队 */
void pop(arrayQueue *queue) {
void pop(ArrayQueue *queue) {
int num = peek(queue);
// 队首指针向后移动一位,若越过尾部则返回到数组头部
queue->front = (queue->front + 1) % queue->queCapacity;
@@ -2023,7 +2019,7 @@ comments: true
}
/* 打印队列 */
void printArrayQueue(arrayQueue *queue) {
void printArrayQueue(ArrayQueue *queue) {
int arr[queue->queSize];
// 拷贝
for (int i = 0, j = queue->front; i < queue->queSize; i++, j++) {