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