求大神帮忙啊 愁死啦
#include<iostream>
using namespace std;
#include<stdlib.h>
#include <time.h>
#include<string.h>
#define SIZE 4
typedef struct Car1
{
    char number[15];
    int artime;    
    int letime;
}CarNode;
typedef struct
{
    CarNode *base;
    CarNode *top;
    int stacksize;
}Park;
typedef struct Car2
{
char number[15]; 
int ar_time; 
struct Car2 *next;
}*CarPtr;
typedef struct
{
    CarPtr front;
    CarPtr rear;
    int length;
}Shortcut;
int Initstack(Park &P)         //初始化停车场 
{
    P.base =new Car1;
    P.top =P.base ;
    P.stacksize =0;
    return 1; 
}
int Push(Park &P,CarNode &e)
{
    ++P.top ;
    *P.top =e;
    ++P.stacksize ;
    return 1; 
 } 
int Pop(Park &P,CarNode &e)
{
    if(P.top ==P.base )
    cout<<"停车场为空。"<<endl;
    else{
        e=*P.top--;
        --P.stacksize ;
    }
    return 1; 
}
int InitQueue(Shortcut &S)
{
    S.front =S.rear =new Car2;
    S.front->next =NULL;
    S.length =0;
    return 1;
}
int EnQueue(Shortcut &S,char number[])           //队列,尾进,头出,top->next,为第一个数 
{


    CarPtr p;
    p=new Car2;
    strcpy(p->number,number);
    p->next=NULL;
    S.rear->next=p;
    S.rear=p;
    ++S.length;
    return 1;
}
void DeQueue(Shortcut &S,CarPtr &w)
{
    
    if(S.length ==0)
    cout<<"此便道为空"<<endl;
    else{
    
        w=S.front->next ;
        S.front->next =w->next ;cout<<"------//"<<endl;
        --S.length; 
    } 
    
}void Arrival(Park &P,Shortcut &S)
{
    cout<<"------//"<<endl;
    
        cout<<"------//"<<endl;
    
   // time_t timep;
//    struct tm *m; 
//    time (&timep);
//    m=gmtime(&timep); 
    char number[15];
    cout<<"\n请输入车牌号:"<<endl;
    cin>>number;;
    if(P.stacksize<SIZE )
    {   
        CarNode b;
    //    b.artime =m->tm_mday*24*60+m->tm_hour*60+m->tm_min;
        strcpy(b.number,number);
        Push(P,b);
        cout<<"\n该车停在第"<<P.stacksize <<"号车道"<<endl; 
    }
    else{
        cout<<"------//"<<endl;
        EnQueue(S,number);
        cout<<"\n停车场已经满了,该车停在便道的第"<<S.length <<"个位置"<<endl;         
    }
}
void Leave(Park &P,Park &Q,Shortcut &S) 
{
//        time_t timep;
//    struct tm *m; 
//    struct tm *n;
//    time (&timep);
//    m=gmtime(&timep);
//    n=gmtime(&timep);

    
    char number1[15];
    int i,a,x;
    CarNode e,e1,e2;
    CarPtr w;
    cout<<"\n请输入离开车辆的车牌号:"<<endl;
    cin>>number1 ;
    while(1)
    {
        if(strcmp(P.top->number  ,number1)!=0 ){
            if(P.stacksize ==0){
                cout<<"\n停车场已空!"<<endl;
                break; 
            }
               Pop(P,e);
            Push(Q,e);            
            a=1;
            cout<<"qqq"<<endl;
            
        }
        else{
            Pop(P,e1);            
            cout<<"\n车牌号为"<<e1.number <<"的车已离开。"<<endl; 
        //    e1.letime =m->tm_mday*24*60+m->tm_hour*60+m->tm_min ;
            
        //    x=(e1.letime -e1.artime) %60;
        //    if(x!=0) x= (e1.letime -e1.artime) /60+1;
        //    cout<<"\n缴费"<< x<<"元。"<<endl; 
    
        
            break;
        }            
    }    
    if(a!=0){
        while(1)
        {
            Pop(Q,e);
            Push(P,e);
            cout<<11<<endl;
            if(Q.stacksize ==0)            
            break;                    
        } 
    }
                      //车出栈的已经写完,出队列近战额还没写。。 
    if(S.length !=0){    cout<<"+++++++++++++"<<endl;
        DeQueue(S,w);
        cout<<"+++++++++++++"<<endl;
        strcpy(e2.number ,w->number);
       // e2.artime =n->tm_mday*24*60+n->tm_hour*60+n->tm_min ;
        Push(P, e2);
        cout<<"\n车牌号为"<<w->number <<"的车由便道开进停车场。"<<endl;    
    }     
}

int main()
{
    int m;
    Park P,Q;
    Shortcut S;
    Initstack(P);
    Initstack(Q);
    InitQueue(S);
   while(2)
    {
    
        cout<<"\n\t$          1 进入停车场          $\n"<<endl;
        cout<<"\t$          2 离开停车场          $\n"<<endl;
        cout<<"\t$          3 ===退出===          $\n\n"<<endl;
        cout<<"\t请输入:"<<endl; 
        cin>>m;
        switch(m){
            case 1:
                Arrival(P,S);
                break;
            case 2:
                Leave(P,Q,S);
                break;
            case 3:
                break; 
            default:
                cout<<"请输入正确的选项。" <<endl;
                break;
        }
        if(m==3)break;
        
    }         
}
编的这个程序,编译没毛病,运行后,当栈范围大于3时,删除栈内其中一个值,进行队列头的值压入栈中就没法实现了,好忧桑啊