插入链表结点.txt

用于计算多边形的面积,体积,长度, 用于操作系统的开发 用于数据的加密

#include<iostream.h>
struct Student
{
	long number;
    double score;
	Student * next;
};
Student * Create()
{
	Student * head;
	Student * pS;
	Student * pEnd;
	pS=new Student;
	cin>>pS->number>>pS->score;
	head=NULL;
	pEnd=pS;
	while(pS->number!=0)
	{
		if(head==NULL)
			head=pS;
		else
			pEnd->next=pS;
		pEnd=pS;
		pS=new Student;
		cin>>pS->number>>pS->score;
	}
	pEnd->next=NULL;
	delete pS;
	return(head);
}
void ShowList(Student * head)
{
	cout<<"now the items of list are\n";
	while(head)
	{
		cout<<head->number<<","<<head->score<<endl;
		head=head->next;
	}
}
void Insert(Student * head,Student * stud)
{
	if(head==NULL)
	{
		head=stud;
		stud->next=NULL;
		return;
	}
	if(head->number>stud->number)
	{
		stud->next=head;
		head=stud;
		return;
	}
	Student * pGuard=head;
	while(pGuard->next&&pGuard->next->number<stud->number)
		pGuard=pGuard->next;
	stud->next=pGuard->next;
	pGuard->next=stud;
}
void main()
{
	Student * head;
	Student ps;
	ps.number=36;
	ps.score=3.8;
	head=Create();
	Insert(head,&ps);
	ShowList(head);
}