{"id":169,"date":"2024-10-17T23:09:33","date_gmt":"2024-10-17T15:09:33","guid":{"rendered":"https:\/\/womeifei.cn\/?p=169"},"modified":"2024-10-17T23:09:33","modified_gmt":"2024-10-17T15:09:33","slug":"%e5%be%aa%e7%8e%af%e9%98%9f%e5%88%97%e7%9a%84%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/womeifei.cn\/index.php\/2024\/10\/17\/%e5%be%aa%e7%8e%af%e9%98%9f%e5%88%97%e7%9a%84%e5%ae%9e%e7%8e%b0\/","title":{"rendered":"\u5faa\u73af\u961f\u5217\u7684\u5b9e\u73b0"},"content":{"rendered":"\n
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\u4f7f\u7528\u5faa\u73af\u8ba1\u7b97\uff08(index + 1) % size<\/code>\uff09\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u7d22\u5f15\u8d8a\u754c\u7684\u95ee\u9898\u3002\u5f53\u00a0index<\/code>\u00a0\u8fbe\u5230\u00a0size - 1<\/code>\u00a0\u65f6\uff0c\u4f7f\u7528\u53d6\u6a21\u8fd0\u7b97\u4f1a\u81ea\u52a8\u56de\u5230\u00a00<\/code>\uff0c\u4ece\u800c\u5b9e\u73b0\u5faa\u73af\u6548\u679c<\/strong><\/p>\n\n\n\n

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  • \u5373\u4f7f\u00a0rear<\/code>\u00a0\u662f 0\uff0crear - 1<\/code>\u00a0\u4e5f\u4e0d\u4f1a\u5bfc\u81f4\u8d1f\u6570 \u901a\u8fc7\u5c06\u00a0obj->size<\/code>\u00a0\u52a0\u5230\u00a0rear - 1<\/code>\uff0c\u786e\u4fdd\u4e86\u7d22\u5f15\u5728\u8fdb\u884c\u53d6\u6a21\u8ba1\u7b97\u65f6\u4e0d\u4f1a\u51fa\u73b0\u8d1f\u6570<\/li>\n\n\n\n
  • \u8fd9\u4e2a\u53d6\u6a21\u64cd\u4f5c\u7528\u4e8e\u5b9e\u73b0\u5faa\u73af\u6548\u679c\uff0c\u786e\u4fdd\u5728\u6570\u7ec4\u7d22\u5f15\u7684\u8303\u56f4\u5185\u3002\u5982\u679c\u00a0rear<\/code>\u00a0\u51cf 1 \u7684\u7ed3\u679c\u4e3a\u8d1f\u6570\uff0c\u901a\u8fc7\u53d6\u6a21\u8fd0\u7b97\u4f1a\u5f97\u5230\u6570\u7ec4\u7684\u6709\u6548\u7d22\u5f15<\/li>\n<\/ul>\n\n\n\n

    \u641e\u61c2\u4e86\u8fd9\u4e24\u4e2a\u5faa\u73af\u5c31\u53ef\u4ee5\u5f00\u59cb\u6784\u5efa\u5faa\u73af\u961f\u5217\u4e86 \u4e0b\u9762\u662f\u6e90\u4ee3\u7801\u5b9e\u73b0<\/p>\n\n\n\n

    \/\/\u6784\u5efa\u961f\u5217\u7ed3\u6784\u4f53\ntypedef struct {\n\tint front;\n\tint rear;\n\tint size;\n\tint* elements;\n} MyCircularQueue;\n\n\/\/\u5224\u65ad\u662f\u5426\u4e3a\u7a7a\nbool IsEmpty(MyCircularQueue* obj) {\n\treturn obj->front == obj->rear;\n}\n\/\/\u5224\u65ad\u662f\u5426\u6ee1\u961f\u5217\nbool IsFull(MyCircularQueue* obj) {\n\treturn (obj->rear + 1) % obj->size == obj->front;\n \n}\n\n\/\/\u521d\u59cb\u5316\u5faa\u73af\u961f\u5217 \u6ce8\u610f!!! \u4ee4Size\u4e3a k+1 \nMyCircularQueue* myCircularQueueCreate(int k) {\n\tMyCircularQueue* queue = (MyCircularQueue*)malloc(sizeof(MyCircularQueue));\n\tqueue->front = queue->rear = 0;\n\tqueue->size = k + 1;\n\tqueue->elements = (int*)malloc(queue->size * sizeof(int));\n\treturn queue;\n}\n\n\/\/rear\u5728\u961f\u5c3e\u5143\u7d20\u7684\u4e0b\u4e00\u4e2a\u4f4d\u7f6e!\n\/\/\u5165\u961f\u5217\u5148\u5224\u65ad\u662f\u5426\u4e3a\u6ee1\u961f\u5217 \u5728\u961f\u5217\u5c3e\u90e8\u6dfb\u52a0 rear\u79fb\u52a8\u5230\u4e0b\u4e00\u4e2a\u4f4d\u7f6e\nbool myCircularQueueEnQueue(MyCircularQueue* obj, int value) {\n\tif (IsFull(obj))return false;\n\tobj->elements[obj->rear] = value;\n    \/\/\u5faa\u73af\u7d22\u5f15\u66f4\u65b0\n    \/\/0--size-1\n\tobj->rear = (obj->rear + 1) % obj->size;\n\treturn true;\n}\n\n\/\/\u51fa\u961f\u5217\u5148\u5224\u65ad\u662f\u5426\u4e3a\u7a7a\u961f\u5217 \u5728\u961f\u5217\u5934\u90e8\u5220\u9664 \u76f4\u63a5\u79fb\u52a8\u961f\u9996\u5143\u7d20\u5373\u53ef\nbool myCircularQueueDeQueue(MyCircularQueue* obj) {\n\tif (IsEmpty(obj))return false;\n    \/\/\u5faa\u73af\u7d22\u5f15\u66f4\u65b0\n    \/\/0--size-1\n\tobj->front= (obj->front + 1) % obj->size;\n\treturn true;\n}\n\nint myCircularQueueFront(MyCircularQueue* obj) {\n\tif (IsEmpty(obj))return -1;\n\treturn obj->elements[obj->front];\n}\n\n\/\/rear\u5728\u961f\u5c3e\u5143\u7d20\u7684\u4e0b\u4e00\u4e2a\u4f4d\u7f6e!\n\nint myCircularQueueRear(MyCircularQueue* obj) {\n\tif (IsEmpty(obj))return -1;\n    \/\/\u961f\u5c3e\u5143\u7d20\u5728rear\u7684\u524d\u4e00\u4e2a\u4f4d\u7f6e\n    \/\/\u8fd9\u91cc\u8981\u9632\u6b62rear\u4e0b\u6807\u4e3a0\u7684\u60c5\u51b5 \n    \/\/0--size-1\n\treturn obj->elements[(obj->rear - 1 + obj->size) % obj->size];\n}\n \n\n\/\/\u6e05\u7a7a\u961f\u5217\nvoid myCircularQueueFree(MyCircularQueue* obj) {\n\tfree(obj->elements);\n\tfree(obj);\n}<\/code><\/pre>\n\n\n\n
    \u65b9\u5f0f\u4e8c \u94fe\u961f\u5217\u7ed3\u6784<\/p>\n\n\n\n
    \u8fd9\u79cd\u65b9\u5f0f\u6bd4\u8f83\u7b80\u5355 \u7ed9\u961f\u5217\u4e00\u4e2asize\u8868\u793a\u5f53\u524d\u961f\u5217\u5927\u5c0f \u4e00\u4e2acapacity\u8868\u793a\u961f\u5217\u5bb9\u91cf<\/p>\n\n\n\n
    \u4ee3\u7801\u5b9e\u73b0\u5982\u4e0b \u6bd4\u8f83\u7b80\u5355<\/p>\n\n\n\n
    typedef struct Node\n{\n\tNode* next;\n\tint data;\n}Node;\n\ntypedef struct Queue{\n\tNode* front;\n\tNode* rear;\n\tint size;\n\tint capacity;\n}Queue;\n\nbool ifEmpty(Queue*queue)\n{\n\treturn queue->size == 0;\n}\n\nbool ifFull(Queue* queue)\n{\n\treturn queue->size == queue->capacity;\n}\n\nvoid initQueue(Queue* queue,int k)\n{\n\tqueue->rear = queue->front = (Node*)malloc(sizeof(Node));\n\tqueue->rear = queue->front = NULL;\n\tqueue->size = 0;\n\tqueue->capacity = k;\n}\nvoid EnQueue(Queue* queue, int val)\n{\n\tif (ifFull(queue))return;\n\tNode* newNode = (Node*)malloc(sizeof(Node));\n\tnewNode->data = val;\n\tif (ifEmpty(queue))\n\t{\n\t\tqueue->rear = queue->front = newNode;\n\t\t\n\t}\n\telse\n\t{\n\t\tqueue->rear->next = newNode;\n\t\tqueue->rear = newNode;\n\t}\n\tqueue->size++;\n}\n\nvoid DeQueue(Queue* queue)\n{\n\tif (ifEmpty(queue))return;\n\tNode* curr = queue->front;\n\tqueue->front = curr->next;\n\tqueue->size--;\n\tfree(curr);\n}\n\nint Front(Queue* queue) {\n\tif (queue->size == 0) {\n\t\treturn -1;\n\t}\n\treturn queue->front->data;\n}\n\nint Rear(Queue* queue) {\n\tif (queue->size == 0) {\n\t\treturn -1;\n\t}\n\treturn queue->rear->data;\n}\n\n\nvoid FreeQueue(Queue* queue)\n{\n\n\tNode* curr = queue->front;\n\twhile (curr)\n\t{\n\t\tNode* temp = curr;\n\t\tcurr = curr->next;\n\t\tfree(temp);\n\t}\n\tfree(queue);\n}\n\nvoid printQueue(Queue* queue)\n{\n\tNode* curr = queue->front;\n\twhile (curr)\n\t{\n\t\tprintf(\"%d \", curr->data);\n\t\tcurr = curr->next;\n\t}\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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