#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <malloc.h>
typedef struct Queue
{
int * pBase; //数组的首地址
int front;
int rear;
}QUEUE;
void init(QUEUE * );
bool en_queue(QUEUE *, int );
void traverse_queue(QUEUE *);
bool full_queue(QUEUE *);
bool out_queue(QUEUE * , int * );
bool emput_queue(QUEUE *);
int main()
{
QUEUE Q;
int val;
init(&Q);
/*en_queue(&Q, 1);
en_queue(&Q, 2);
en_queue(&Q, 3);
en_queue(&Q, 4);
en_queue(&Q, 5);
en_queue(&Q, 6);
en_queue(&Q, 7);
en_queue(&Q, 8);*/
traverse_queue(&Q);
if(out_queue(&Q, &val))
printf("出队成功,队列出队的元素是: %d\n", val);
else
printf("出队失败!\n");
traverse_queue(&Q);
return 0;
}
void init(QUEUE * pQ)
{
pQ->pBase = (int *)malloc(sizeof(int)*6);
pQ->front = 0;
pQ->rear = 0;
}
bool full_queue(QUEUE * pQ)
{
if((pQ->rear+1)%6==pQ->front)
return true;
else
return false;
}
void traverse_queue(QUEUE * pQ) //从头部遍历
{
int i = pQ->front;
while(i!=pQ->rear)
{
printf("%d ", pQ->pBase[i]);
i = (i+1)%6;
}
printf("\n");
return;
}
bool en_queue(QUEUE * pQ, int val) //入队
{
if(full_queue(pQ))
return false;
else
{
pQ->pBase[pQ->rear] = val;
pQ->rear = (pQ->rear+1)%6;
return true;
}
}
bool emput_queue(QUEUE * pQ) //判断队空
{
if(pQ->rear==pQ->pBase)
return true;
else
return false;
}
bool out_queue(QUEUE * pQ, int * pVal)
{
if(emput_queue(pQ))
{
return false;
}
else
{
*pVal = pQ->pBase[pQ->front];
pQ->front = (pQ->front+1)%6;
return true;
}
}