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//class.h 头文件
#include <string>
#include <iostream>
#include <iomanip> //实现setw()宽字节输出
using
namespace
std;
class
stuDate
{
public
:
struct
student
{
string name;
//姓名
string sex;
//性别
int
id;
float
eng,math,chinese,c,sum;
struct
student *next;
};
};
class
stuList :
public
stuDate
{
private
:
int
num;
//人数
struct
student *head;
public
:
stuList();
void
_creat();
void
_print();
void
_sort();
};
stuList::stuList()
{
this
->head=NULL;
this
->num=0;
}
void
stuList::_creat()
{
char
res =
'Y'
;
struct
student *p1,*p2;
p1=p2=
new
struct
student;
while
(res==
'Y'
|| res ==
'y'
)
{
if
(
this
->head == NULL)
{
this
->head=p1;
p1->id=0;
}
else
{
p2->next=p1;
}
cout<<
"Name:"
;
cin>>p1->name;
cout<<
"Sex:"
;
cin>>p1->sex;
cout<<
"Chinese:"
;
cin>>p1->chinese;
cout<<
"Math:"
;
cin>>p1->math;
cout<<
"English:"
;
cin>>p1->eng;
cout<<
"C语言:"
;
cin>>p1->c;
p1->id=
this
->num+1;
p1->sum=p1->chinese+p1->math+p1->eng+p1->c;
this
->num++;
p2=p1;
p1=
new
struct
student;
cout<<
"\n是否继续输入(Y/N):"
;
cin>>res;
if
(res ==
'N'
|| res ==
'n'
)
break
;
}
p2->next=NULL;
}
void
stuList::_print()
{
struct
student *temp;
temp=
this
->head;
cout<<
"id"
<<setw(5)<<
"name"
<<setw(5)<<
"sex"
<<setw(10)<<
"Chinese"
<<setw(5)
<<
"Math"
<<setw(8)<<
"English"
<<setw(5)<<
"C"
<<setw(5)<<
"Sum"
<<endl;
for
(
int
i=0;i<
this
->num;i++)
{
cout<<temp->id<<setw(5)<<temp->name<<setw(5)<<temp->sex<<setw(5)<<temp->chinese<<setw(5)
<<temp->math<<setw(5)<<temp->eng<<setw(5)<<temp->c<<setw(5)<<temp->sum<<endl;
temp=temp->next;
}
cout<<endl;
cout<<
"------------------------------------------------------------总人数:"
<<
this
->num;
cout<<endl;
}
void
stuList::_sort()
{
struct
student *first;
/*排列后有序链的表头指针*/
struct
student *tail;
/*排列后有序链的表尾指针*/
struct
student *p_max;
struct
student *max;
struct
student *p;
p=
this
->head;
if
(
this
->head!=NULL)
{
first=NULL;
while
(head != NULL)
{
for
(p=
this
->head,max=
this
->head; p->next!=NULL; p=p->next)
{
if
(p->next->sum > max->sum)
//以总分排序
{
p_max=p;
max=p->next;
}
}
if
(first==NULL)
{
first=max;
tail=max;
}
else
{
tail->next=max;
tail=max;
}
if
(max==
this
->head)
{
this
->head=
this
->head->next;
}
else
{
p_max->next=max->next;
}
}
if
(first!=NULL)
{
tail->next=NULL;
}
cout<<
"id"
<<setw(5)<<
"name"
<<setw(5)<<
"sex"
<<setw(10)<<
"Chinese"
<<setw(5)
<<
"Math"
<<setw(8)<<
"English"
<<setw(5)<<
"C"
<<setw(5)<<
"Sum"
<<endl;
for
(
int
i=0;i<
this
->num;i++)
{
cout<<first->id<<setw(5)<<first->name<<setw(5)<<first->sex<<setw(5)<<first->chinese<<setw(5)
<<first->math<<setw(5)<<first->eng<<setw(5)<<first->c<<setw(5)<<first->sum<<endl;
first=first->next;
}
}
}
//stu.cpp 调用class。h
#include "class.h"
int
main()
{
stuList A;
A._creat();
A._print();
A._sort();
return
0;
}
|
本文转自 nw01f 51CTO博客,原文链接:http://blog.51cto.com/dearch/1758724,如需转载请自行联系原作者