# include "Student.h"

Student::Student(int sn, std::string sna, double ma, double ch)
:sno(sn),sname(sna),math(ma),chinese(ch)
{
	avg=(math+chinese)/2;
}

Student::Student(const Student &s):sno(s.sno),sname(s.sname),math(s.math),chinese(s.chinese),avg(s.avg)
{
}

ifstream& operator>>(ifstream& in,Student& s)
{
	in>>s.sno;
	in>>s.sname;
	in>>s.math;
	in>>s.chinese;
	in>>s.avg;
	return in;
}

ofstream& operator<<(ofstream& on,Student& s)
{
	on<<s.sno<<endl;
	on<<s.sname<<endl;
	on<<s.math<<endl;
	on<<s.chinese<<endl;
	on<<s.avg<<endl;
	return on;
}

ostream& operator<<(ostream& os,Student& s)
{
	os<<s.sno<<"\t"<<s.sname<<"\t"<<s.math<<"\t"<<s.chinese<<"\t"<<s.avg<<endl;
	return os;
}

bool Student::operator ==(Student &s)
{
	return sno==s.sno||sname==s.sname;
}

bool Student::operator !=(Student &s)
{
	return !(*this==s);
}

Student& Student::operator =(const Student &s)
{
	if(this!=&s)
	{
		sno=s.sno;
		sname=s.sname;
		math=s.math;
		chinese=s.chinese;
		avg=s.avg;
	}
	return *this;
}