一天一个c语言数据结构与算法实现----循环队列

#include 
#include 
#include 

#define MaxSize 9
typedef int ElementType; /*元素类型定义*/
/*三、队列*/
/*（1） 循环队列*/
/**1.定义*/
typedef struct SqQueue
{
    ElementType data[MaxSize]; // 队列元素
    int front;                 // 队首指针
    int rear;                  // 队尾指针
} SqQueue;

/*2.操作*/
void InitSqQueue(SqQueue *Q)
{
    Q->front = Q->rear = 0;
}

bool SqQueueEmpty(SqQueue *Q)
{
    if (Q->front == Q->rear)
        return true;
    else
        return false;
}

bool SqQueueFull(SqQueue *Q)
{
    if ((Q->rear + 1) % MaxSize == Q->front)
        return true;
    else
        return false;
}

bool EnQueue(SqQueue *Q, ElementType e)
{
    if (SqQueueFull(Q))
    {
        printf("队满\n");
        return false;
    }
    else
    {
        Q->data[Q->rear] = e;
        Q->rear = (Q->rear + 1) % MaxSize;
        printf("%d 入队\n", e);
        return true;
    }
}

bool DeQueue(SqQueue *Q, ElementType *e){
    if (SqQueueEmpty(Q)){
        printf("队空\n");
        return false;
    }
    else{
        *e = Q->data[Q->front];
        Q->front = (Q->front + 1) % MaxSize;
        printf("%d 出队\n", *e);
        return true;
        }
}


//测试
int main()
{
    SqQueue *Q;
    Q = (SqQueue *)malloc(sizeof(SqQueue));
    InitSqQueue(Q);
    int a[]={1,2,3,4,5,6,7,8,9,10};
    for (int i = 0; i < 10; i++){

        if(SqQueueFull(Q)){
            int c;
            DeQueue(Q,&c);
        }
        EnQueue(Q,a[i]);
    }
    for (int i = 0; i < 10; i++){
        ElementType b;
        if(!DeQueue(Q,&b))break;
        }
   return 0;
}