第十六周任务二

/*【任务2】学生成绩排序
文件score.dat 中保存的是100 名学生的姓名和C++课、高数和英语成绩。
（1）定义学生类，其中包含姓名、C++课、高数和英语成绩及总分、均分数据成员，成员函数根据
需要确定。
（2）读入这名学生的成绩，用对象数组进行存储。
（3）求出各科和总分的最高分。
（4）请按总分的降序（高成绩在前，低成绩在后）排序
（5）在屏幕上显示各科及总分的最高分，排序后的成绩单（包括总分）保存到文件odered_score.dat
中。*/
#include 
#include 
#include 
using namespace std;
class Student
{
public:
	Student();
	void set_name(string name);
	void set_c_score(int c_score);
	void set_m_score(int m_score);
	void set_e_score(int e_score);
	void set_s_score(int s_score);
	void set_a_score(int a_score);
	string get_name(){return name;}
	int get_c_score(){return c_score;}
	int get_m_score(){return m_score;}
	int get_e_score(){return e_score;}
	int s_score;
	int a_score;
private:
	string name;
	int c_score;
	int m_score; 
	int e_score;

};

Student::Student()
{
	name = '\0';
	c_score = 0;
	m_score = 0;
	e_score = 0;
	s_score = 0;
	a_score = 0;
}
void Student::set_name(string name)
{
	this->name = name;
}

void Student::set_c_score(int c_score)
{
	this-> c_score = c_score;
}
void Student::set_m_score(int m_score)
{
	this->m_score = m_score;
}
void Student::set_e_score(int e_score)
{
	this->e_score = e_score;
}
void Student::set_s_score(int s_score)
{
	this->s_score = s_score;
}

void Student::set_a_score(int a_score)
{
	this->a_score = a_score;
}
int main()
{
	Student stu[100];
	int m;
	string n;

	ifstream infile("score.txt",ios::in);
	if (! infile)
	{
		cerr << "open error" << endl;
		exit(1);
	}

	string name;
	int c_score;
	int m_score;
	int e_score;
	int s_score;
	int a_score;

	for (int i = 0; i < 100; i++ )
	{ 
		infile >> name >> c_score >> m_score >> e_score;
		stu[i].set_name(name);
		stu[i].set_c_score(c_score);
		stu[i].set_m_score(m_score);
		stu[i].set_e_score(e_score);
		s_score = stu[i].get_c_score() + stu[i].get_m_score() + stu[i].get_e_score();
		stu[i].set_s_score(s_score);
		a_score = stu[i].s_score / 3;
		stu[i].set_a_score(a_score );
	}

	infile.close();
	int s_max = stu[0].s_score;
	for ( int i = 0; i < 100; i++ )
	{	
		if ( stu[i].s_score > s_max )
		{
			s_max = stu[i].s_score;
		}
	}


	int c_max = stu[0].get_c_score();
	for ( int i = 0; i < 100; i++ )
	{
		if (stu[i].get_c_score() > c_max)
		{
			c_max = stu[i].get_c_score();
		}
	}

	int m_max = stu[0].get_m_score();
	for ( int i = 0; i < 100; i++ )
	{
		if (stu[i].get_m_score() > m_max)
		{
			m_max = stu[i].get_m_score();
		}
	}

	int e_max = stu[0].get_e_score();
	for ( int i = 0; i < 100; i++ )
	{
		if (stu[i].get_e_score() > e_max)
		{
			e_max = stu[i].get_e_score();
		}
	}

	cout << "总分成绩最大值" << s_max << endl << "c++成绩最大值" << c_max << endl <<"高数成绩最大值" << m_max << endl << "英语成绩最大值" << e_max < stu[i+1].s_score )
			{
				n = stu[i].get_name();
				stu[i].get_name() = stu[i+1].get_name();
				stu[i+1].get_name() = n;

				m = stu[i].s_score;
				stu[i].s_score = stu[i+1].s_score;
				stu[i+1].s_score = m;
			}
		}

		ofstream outfile("inscore.txt",ios::out);
		if (! outfile)
		{
			cerr << "open error" << endl;
			exit(1);
		}

		for (int i = 0; i < 100; i++ )
		{ 
			outfile << stu[i].get_name() << stu[i].get_c_score() << stu[i].get_m_score() << stu[i].get_e_score() << stu[i].s_score ;
		}

		outfile.close();

		system("pause");
		return 0;
}