模拟银行客户逗留平均时间

数据结构（C语言版）中栈的习题

#include
#include
#include
#include
#define ERROR 0
#define OK 1
typedef struct{
  int OccurTime;
  int NType;
}Event;
typedef struct{
 int ArrivalTime;
 int Duration;
}QElemType;
struct LNODE
{
  Event data;
  struct LNODE *next;
};
typedef struct LNODE LNode;
typedef struct LNODE *LinkList;
typedef struct LNODE *EvenList;
typedef struct QNode{
 QElemType elem;
 struct QNode *next;
}QNode,*QueuePtr;
typedef struct
{ QueuePtr front;
  QueuePtr rear;
}LinkQueue;
EvenList ev;
Event en;
LinkQueue q[5];
QElemType customer;
int TotalTime,CustomerNum,CloseTime;

int InitList(EvenList *L)
{
  *L=(LNode *)malloc(sizeof(LNode));
  if(!(*L))   exit(ERROR);
  (*L)->next=NULL;
  return OK;
}
int DelFirst(EvenList *L,Event *e)
{ LNode *pc,*q;
  pc=*L;q=pc->next;
 pc->next=q->next;*e=q->data;return OK;}
int ListEmpty(LNode L)
{LNode *p;
 int j=0;
 p=L.next;
 while(p)
   {j++;break;}
 if(j==0) return 1;
 else return 0;
}
int compare(Event a,Event b)
{ if(a.OccurTime>b.OccurTime) return 1;
  else if(a.OccurTime==b.OccurTime) return 0;
  else return -1;
}
int OrderInsert(EvenList *L,Event e,int (* cmp)(Event ,Event ))
{ LNode *p,*pc;/*把事件插入链表*/
 p=(LNode *)malloc(sizeof(LNode));/*分配空间*/
 if(!p) { printf("not"); return(0);}
 if(ListEmpty(**L))
 { p->data=e;p->next=(*L)->next;(*L)->next=p;}
 else {
   switch(cmp(((*L)->next)->data,e))
  {case -1:pc=(*L)->next;
   while(pc->next!=NULL)
   {
    if((pc->next)->data.OccurTime<=e.OccurTime)
        pc=pc->next;
    else break;
   }
       p->data=e;p->next=pc->next;/*把它接在比它大的前*/
       pc->next=p;break;
   &nbs