#include
#include
#include
using?namespace?std;
struct?bus_system{
	int?number;
	char?time[6]position_start[10]position_end[10];
	double?interval;
	int?passenger_limit;
	int?ticket;
	bus_system*next;
};
bus_system*p;
void?creat（bus_system*&head）{
	bus_system*s;
	s=new?bus_system;
	s->next=NULL;
	cout<<“班次：???“;
	cin>>s->number;
	cout<<“發車時間（如08:00）：???“;
	cin>>s->time;
	cout<<“起點站：???“;
	scanf（“%s“s->position_start）;
	cout<<“終點站：???“;
	scanf（“%s“s->position_end）;
	cout<<“行車時間:???“;
	cin>>s->interval;
	cout<<“限載人數:???“;
	cin>>s->passenger_limit;
	s->ticket=0;
	if（head==NULL）?head=s;
	else?p->next=s;
	p=s;
	cout<<“——————————錄入信息完畢，返回上一層——————————“<	return;
}
void?scan（bus_system*&head）{
	bus_system*s;
	s=head;
	cout<<