2010.11.26

//7.4上机实践第一题
#include "iostream.h"
#include "string.h"
class Student
{
 char name[10];
 float score;
public:
 Student (char na[],float s)
 {
  strcpy(name,na);
  score=s;
 }
 char *getname(){return name;}
 float getscore(){return score;}
 friend int compare(Student,Student);
};
int compare (Student s1,Student s2)
{
 if(s1.score>s2.score)
  return 1;
 else if(s1.score==s2.score)
  return 0;
 else return -1;
}
void main()
{
 Student st[]={Student("王华",78),Student("李明",92),Student("张伟",62),Student("孙强",88)};
 int i,min=0,max=0;
 for(i=4;i<4;i++)
 {
  if(compare(st[max],st[i])==-1)
   max=i;
  else if(compare(st[min],st[i])==1)
   min=i;
 }
 cout<<"最高分:"<<st[max].getname()<<" 分数为："<<st[max].getscore()<<endl;
 cout<<"最低分:"<<st[min].getname()<<" 分数为："<<st[min].getscore()<<endl;
}