/***************************************************************
????這是一個循環隊列的c語言實現程序
????聲明：該程序僅作為學習參考，不得用于其他用途，否則后果自負!
????作者：jim船長（CSDN昵稱）
????個人主頁：https://me.csdn.net/luotuoxiansheng
????時間：2018/11/2
***************************************************************/
#include?
#include?

#define?MAXSIZE?10

typedef?int?ElemType;
typedef?int?Status;

typedef?struct
{
????ElemType?data[MAXSIZE];
????int?front;
????int?rear;
}Queue;

/*初始化隊列*/
Status?InitQueue（Queue?*Q）
{
????Q->front=0;
????Q->rear=0;
????return?1;
}

/*隊列長度*/
int?QueueLength（Queue?Q）
{
????return?（Q.rear-Q.front+MAXSIZE）%MAXSIZE;//計算隊列長度公式
}

/*入隊*/
Status?EnQueue（Queue?*QElemType?e）
{
????if（（Q->rear+1）%MAXSIZE==Q->front）//判斷隊滿（即rear后移一位等于front）
????return?0;
????Q->data[Q->rear]=e;
????Q->rear=（Q->rear+1）%MAXSIZE;//rear后移一位
????return?1;
}

/*出隊*/
ElemType?DeQueue（Queue?*Q）
{
????ElemType?e;
????if（Q->front==Q->rear）//判斷隊空
????return?0;
????e=Q->data[Q->front];//隊首賦給e
????Q->front=（Q->front+1）%MAXSIZE;//front后移一位
????return?e;
}

int?main（）
{
????int?chilength;
????Queue?Q;
????ElemType?e;
????InitQueue（&Q）;
????while（1）
????????{
????????????printf（“\n1.入隊列???2.出隊列???3.查看當前列?：“）;
????????????scanf（“%d“&ch）;
????????????switch（ch）
????????????{
????????????????case?1:
????????????????????????{
????????????????????????????printf（“插入數字：“）;
????????????????????????????scanf（“%d“&e）;
????????????????????????????if（?EnQueue（&Qe））
????????????????????????????printf（“Success!\n“）;
????????????????????????????else
?????????????????????????????????printf（“Faild!\n“）;
????????????????????????}break;
????????????????case?2:
????????????????????????{
????????????????????????????printf（“The?out-queue?number?is：%d\n“DeQueue（&Q））;
????????????????????????}break;
????????????????case?3:
????????????????????????{
????????????????????????????length=QueueLength（Q）;
????????????????????????????for（i=0;i????????????????????????????{
????????????????????????????????printf（“%d\n“Q.data[Q.front+i]）;
????????????????????????????}
????????????????????????????printf（“Length?is:?%d\n“length）;
????????????????????????}break;
????????????????default:printf（“error!\n“）;
????????????}
????????}


}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-11-02?16:23??循環隊列\
?????文件????????2562??2018-11-02?16:44??循環隊列\SqQueue.c
?????文件???????28887??2018-11-02?16:21??循環隊列\SqQueue.exe
?????文件????????1736??2018-11-02?16:21??循環隊列\SqQueue.o