类的运用（二）成绩排名

#include<iostream>
using namespace std;
class Students{
public:
Students(int xuehao[],int Chinese[],int math[]);
int Gettest();
private:
int xue[5],c[5],m[5],sum[5];
};
Students::Students(int xuehao[],int Chinese[],int math[]){
for(int i=0;i<5;i++){
xue[i]=xuehao[i];
c[i]=Chinese[i];
m[i]=math[i];
sum[i]=c[i]+m[i];
}
}
int Students::Gettest(){
int i,j;
for(i=0;i<5;i++){
for(j=i;j<5;j++){
int a,b,d,e;
if(sum[j]>sum[i]){
d=sum[i];sum[i]=sum[j];sum[j]=d;
a=xue[i];xue[i]=xue[j];xue[j]=a;
b=c[i];c[i]=c[j];c[j]=b;
e=m[i];m[i]=m[j];m[j]=e;
}
}
}
cout<<"名次"<<"    "<<"学号"<<"    "<<"语文"<<"   "<<"数学"<<"   "<<"总分"<<endl;
for(i=0;i<5;i++){
if(sum[i]>=0)
cout<<" "<<i+1<<"       "<<xue[i]<<"       "<<c[i]<<"      "<<m[i]<<"      "<<sum[i]<<endl;
}
}
int main(){
int xuehao[5],Chinese[5],math[5],i;
cout<<"请输入所有学号："<<endl;
for(i=0;i<5;i++)
cin>>xuehao[i];
cout<<"请输入所有语文成绩："<<endl;
for(i=0;i<5;i++)
cin>>Chinese[i];
cout<<"请输入所有数学成绩"<<endl;
for(i=0;i<5;i++)
cin>>math[i];
Students student(xuehao,Chinese,math);
student.Gettest();
return 0;
}