shiyan8_1.cpp

学习c++的一些实例程序

#include<iostream.h>
#include<iomanip.h>
struct Student
{
   int num;
   char name[8];
   char sex;
   float grade;
};
void BubbleSort(Student stu[],int n)
{
   Student temp;
   int i,j;
   enum{FALSE,TRUE}exchanged;
   exchanged=TRUE;
   for(i=0;i<n-1&&exchanged==TRUE;i++)
  {
     exchanged=FALSE;
      for(j=0;j<n-i-1;j++)
        {  
           if(stu[j].grade>stu[j+1].grade)
          {
            temp=stu[j];
            stu[j]=stu[j+1];
            stu[j+1]=temp;
            exchanged=TRUE;
          }
         }
   }
}
void print(Student stu[],int n)
{
  for(int i=0;i<n;i++)
        cout<<setw(5)<<stu[i].num<<setw(10)<<stu[i].name
        <<setw(4)<<stu[i].sex<<setw(6)<<stu[i].grade<<endl;
}
void main()
{
Student stu[]=
{
    {101,"Zhang",'M',99.5},
    {102,"Li",'F', 87},
    {103,"Wang",'M',60},
    {104,"Liu",'M',88},
    {105,"Zhao",'F',72},
    {106,"Wu",'M',86.5}
};
    cout<<"before sorted"<<endl;
    print(stu,sizeof(stu)/sizeof(stu[0]));
    BubbleSort(stu,sizeof(stu)/sizeof(stu[0]));
    cout<<"after sorted"<<endl;
    print(stu,sizeof(stu)/sizeof(stu[0]));
}