1>main.obj : error LNK2005: "class Student * stu" (?stu@@3PAVStudent@@A) 已经在 inp

[baidu_26792735]

#include<iostream>
#include<string>
using namespace std;
class Student
{
private:
string num;
string name;
double score[4];
double ave;
double sum;
public:
void input(string a,string b,double c,double d,double e,double f);
int sumall();
int fail();
int max();
int output();
}stu[5];

#include "Student.h"
void Student::input(string a,string b,double c,double d,double e,double f)
{
int i;
for(i=1;i<=5;i++)
{
stu[i].num=a;
stu[i].name=b;
stu[i].score[1]=c;
stu[i].score[2]=d;
stu[i].score[3]=e;
stu[i].score[4]=f;
}}


int Student::sumall()
{
int i,j;
for(i=1;i<=5;i++)
{
for(j=1;j<=4;j++)
{
stu[i].sum+=stu[i].score[j];
}
stu[i].ave=stu[i].sum/4;
cout<<stu[i].sum;
}
return 0;
}

int Student::fail()
{
int i,j;
for(i=1;i<=5;)
{
for(j=1;j<=4;j++)
{
if(stu[i].score[j]<60)
{
cout<<stu[i].num<<stu[i].name<<stu[i].score;
break;
}
else
i++;

}
}
return 0;
}


int Student::max()
{
int sumall();
double count=stu[1].sum;
int i,j;
for(i=2;i<=5;i++)
{
if(count<=stu[i].sum)
{
count=stu[i].sum;
}
}
for (j=1;j<=5;j++)
{
if(count==stu[j].sum)
cout<<stu[i].num<<stu[i].name<<stu[i].score[4];
}
return 0;
}

int Student::output()
{
int i;
for(i=1;i<=5;i++)
{
cout<<stu[i].num<<stu[i].name<<stu[i].ave;
}


return 0;
}


#include "Student.h"
int main()
{
string a,b;
double c,d,e,f;
int k;
for(k=1;k<=5;k++)
{
cout<<"学号姓名成绩"<<endl;
cin>>a>>b>>c>>d>>e>>f;
void input(string a,string b,double c,double d,double e,double f);
}
int max();
int fail();
int output();
return 0;
system("pause");

}


请大家指教

[FightForProgrammer]

编译错误自己检查

[lincolnandlinda]

从编译的错误提供看,是重定义问题. 在定义Sutdent.h文件的第一行加上 #pragma once