实现简单的学生信息管理系统.txt

实现简单的学生信息管理系统 实现简单的学生信息管理系统

#include<iostream.h>
#include<string.h>
class Student {
public:
	Student(char *name1,char *stu_no1,float score1);
	~Student();
	void show();
	void show_count_sum_ave();
private:
	char *name;
	char *stu_no;
	float score;
	int count;
	float sum;
	float ave;
};
Student::Student(char *name1,char *stu_no1,float score1 )
{
	name=new char[strlen(name1)+1];
	strcpy(name,name1);
	stu_no=new char[strlen(stu_no1)+1];
	strcpy(stu_no,stu_no1);
	score=score1;
	++count;
	sum=sum+score;
	ave=sum/count;
}
Student::~Student()
{
	delete []name;
	delete []stu_no;
	--count;
	sum=sum-score;
}
void Student::show()
{
	cout<<"\n name: "<<name;
	cout<<"\n stu_no: "<<stu_no;
	cout<<"\n score: "<<score;
}
void Student::show_count_sum_ave()
{
	cout<<"\n count: "<<count;
	cout<<"\n sum: "<<sum;
	cout<<"\n ave: "<<ave;
}
void main()
{
	Student stu1("Liming","990201",90);
	stu1.show();
	stu1.show_count_sum_ave();
	Student stu2("Zhanghao","990202",85);
	stu2.show();
	stu2.show_count_sum_ave();
}
#include<iostream.h>
#include<string.h>
class Student {
public:
	Student(char *name1,char *stu_no1,float score1);
	~Student();
	void show();
	void show_count_sum_ave();
private:
	char *name;
	char *stu_no;
	float score;
	int count;
	float sum;
	float ave;
};
Student::Student(char *name1,char *stu_no1,float score1 )
{
	name=new char[strlen(name1)+1];
	strcpy(name,name1);
	stu_no=new char[strlen(stu_no1)+1];
	strcpy(stu_no,stu_no1);
	score=score1;
	++count;
	sum=sum+score;
	ave=sum/count;
}
Student::~Student()
{
	delete []name;
	delete []stu_no;
	--count;
	sum=sum-score;
}
void Student::show()
{
	cout<<"\n name: "<<name;
	cout<<"\n stu_no: "<<stu_no;
	cout<<"\n score: "<<score;
}
void Student::show_count_sum_ave()
{
	cout<<"\n count: "<<count;
	cout<<"\n sum: "<<sum;
	cout<<"\n ave: "<<ave;
}
void main()
{
	Student stu1("Liming","990201",90);
	stu1.show();
	stu1.show_count_sum_ave();
	Student stu2("Zhanghao","990202",85);
	stu2.show();
	stu2.show_count_sum_ave();
}
#include<iostream.h>
#include<string.h>
class Student {
public:
	Student(char *name1,char *stu_no1,float score1);
	~Student();
	void show();
	void show_count_sum_ave();
private:
	char *name;
	char *stu_no;
	float score;
	int count;
	float sum;
	float ave;
};
Student::Student(char *name1,char *stu_no1,float score1 )
{
	name=new char[strlen(name1)+1];
	strcpy(name,name1);
	stu_no=new char[strlen(stu_no1)+1];
	strcpy(stu_no,stu_no1);
	score=score1;
	++count;
	sum=sum+score;
	ave=sum/count;
}
Student::~Student()
{
	delete []name;
	delete []stu_no;
	--count;
	sum=sum-score;
}
void Student::show()
{
	cout<<"\n name: "<<name;
	cout<<"\n stu_no: "<<stu_no;
	cout<<"\n score: "<<score;
}
void Student::show_count_sum_ave()
{
	cout<<"\n count: "<<count;
	cout<<"\n sum: "<<sum;
	cout<<"\n ave: "<<ave;
}
void main()
{
	Student stu1("Liming","990201",90);
	stu1.show();
	stu1.show_count_sum_ave();
	Student stu2("Zhanghao","990202",85);
	stu2.show();
	stu2.show_count_sum_ave();
}
#include<iostream.h>
#include<string.h>
class Student {
public:
	Student(char *name1,char *stu_no1,float score1);
	~Student();
	void show();
	void show_count_sum_ave();
private:
	char *name;
	char *stu_no;
	float score;
	int count;
	float sum;
	float ave;
};
Student::Student(char *name1,char *stu_no1,float score1 )
{
	name=new char[strlen(name1)+1];
	strcpy(name,name1);
	stu_no=new char[strlen(stu_no1)+1];
	strcpy(stu_no,stu_no1);
	score=score1;
	++count;
	sum=sum+score;
	ave=sum/count;
}
Student::~Student()
{
	delete []name;
	delete []stu_no;
	--count;
	sum=sum-score;
}
void Student::show()
{
	cout<<"\n name: "<<name;
	cout<<"\n stu_no: "<<stu_no;
	cout<<"\n score: "<<score;
}
void Student::show_count_sum_ave()
{
	cout<<"\n count: "<<count;
	cout<<"\n sum: "<<sum;
	cout<<"\n ave: "<<ave;
}
void main()
{
	Student stu1("Liming","990201",90);
	stu1.show();
	stu1.show_count_sum_ave();
	Student stu2("Zhanghao","990202",85);
	stu2.show();
	stu2.show_count_sum_ave();
}
#include<iostream.h>
#include<string.h>
class Student {
public:
	Student(char *name1,char *stu_no1,float score1);
	~Student();
	void show();
	void show_count_sum_ave();
private:
	char *name;
	char *stu_no;
	float score;
	int count;
	float sum;
	float ave;
};
Student::Student(char *name1,char *stu_no1,float score1 )
{
	name=new char[strlen(name1)+1];
	strcpy(name,name1);
	stu_no=new char[strlen(stu_no1)+1];
	strcpy(stu_no,stu_no1);
	score=score1;
	++count;
	sum=sum+score;
	ave=sum/count;
}
Student::~Student()
{
	delete []name;
	delete []stu_no;
	--count;
	sum=sum-score;
}
void Student::show()
{
	cout<<"\n name: "<<name;
	cout<<"\n stu_no: "<<stu_no;
	cout<<"\n score: "<<score;
}
void Student::show_count_sum_ave()
{
	cout<<"\n count: "<<count;
	cout<<"\n sum: "<<sum;
	cout<<"\n ave: "<<ave;
}
void main()
{
	Student stu1("Liming","990201",90);
	stu1.show();
	stu1.show_count_sum_ave();
	Student stu2("Zhanghao","990202",85);
	stu2.show();
	stu2.show_count_sum_ave();
}
#include<iostream.h>
#include<string.h>
class Student {
public:
	Student(char *name1,char *stu_no1,float score1);
	~Student();
	void show();
	void show_count_sum_ave();
private:
	char *name;
	char *stu_no;
	float score;
	int count;
	float sum;
	float ave;
};
Student::Student(char *name1,char *stu_no1,float score1 )
{
	name=new char[strlen(name1)+1];
	strcpy(name,name1);
	stu_no=new char[strlen(stu_no1)+1];
	strcpy(stu_no,stu_no1);
	score=score1;
	++count;
	sum=sum+score;
	ave=sum/count;
}
Student::~Student()
{
	delete []name;
	delete []stu_no;
	--count;
	sum=sum-score;
}
void Student::show()
{
	cout<<"\n name: "<<name;
	cout<<"\n stu_no: "<<stu_no;
	cout<<"\n score: "<<score;
}
void Student::show_count_sum_ave()
{
	cout<<"\n count: "<<count;
	cout<<"\n sum: "<<sum;
	cout<<"\n ave: "<<ave;
}
void main()
{
	Student stu1("Liming","990201",90);
	stu1.show();
	stu1.show_count_sum_ave();
	Student stu2("Zhanghao","990202",85);
	stu2.show();
	stu2.show_count_sum_ave();
}
#include<iostream.h>
#include<string.h>
class Student {
public:
	Student(char *name1,char *stu_no1,float score1);
	~Student();
	void show();
	void show_count_sum_ave();
private:
	char *name;
	char *stu_no;
	float score;
	int count;
	float sum;
	float ave;
};
Student::Student(char *name1,char *stu_no1,float score1 )
{
	name=new char[strlen(name1)+1];
	strcpy(name,name1);
	stu_no=new char[strlen(stu_no1)+1];
	strcpy(stu_no,stu_no1);
	score=score1;
	++count;
	sum=sum+score;
	ave=sum/count;
}
Student::~Student()
{
	delete []name;
	delete []stu_no;
	--count;
	sum=sum-score;
}
void Student::show()
{
	cout<<"\n name: "<<name;
	cout<<"\n stu_no: "<<stu_no;
	cout<<"\n score: "<<score;
}
void Student::show_count_sum_ave()
{
	cout<<"\n count: "<<count;
	cout<<"\n sum: "<<sum;
	cout<<"\n ave: "<<ave;
}
void main()
{
	Student stu1("Liming","990201",90);
	stu1.show();
	stu1.show_count_sum_ave();
	Student stu2("Zhanghao","990202",85);
	stu2.show();
	stu2.show_count_sum_ave();
}
#include<iostream.h>
#include<string.h>
class Student {
public:
	Student(char *name1,char *stu_no1,float score1);
	~Student();
	void show();
	void show_count_sum_ave();
private:
	char *name;
	char *stu_no;
	float score;
	int count;
	float sum;
	float ave;
};
Student::Student(char *name1,char *stu_no1,float score1 )
{
	name=new char[strlen(name1)+1];
	strcpy(name,name1);
	stu_no=new char[strlen(stu_no1)+1];
	strcpy(stu_no,stu_no1);
	score=score1;
	++count;
	sum=sum+score;
	ave=sum/count;
}
Student::~Student()
{
	delete []name;
	delete []stu_no;
	--count;
	sum=sum-score;
}
void Student::show()
{
	cout<<"\n name: "<<name;
	cout<<"\n stu_no: "<<stu_no;
	cout<<"\n score: "<<score;
}
void Student::show_count_sum_ave()
{
	cout<<"\n count: "<<count;
	cout<<"\n sum: "<<sum;
	cout<<"\n ave: "<<ave;
}
void main()
{
	Student stu1("Liming","990201",90);
	stu1.show();
	stu1.show_count_sum_ave();
	Student stu2("Zhanghao","990202",85);
	stu2.show();
	stu2.show_count_sum_ave();
}
#include<iostream.h>
#include<string.h>
class Student {
public:
	Student(char *name1,char *stu_no1,float score1);
	~Student();
	void show();
	void show_count_sum_ave();
private:
	char *name;
	char *stu_no;
	float score;
	int count;
	float sum;
	float ave;
};
Student::Student(char *name1,char *stu_no1,float score1 )
{
	name=new char[strlen(name1)+1];
	strcpy(name,name1);
	stu_no=new char[strlen(stu_no1)+1];
	strcpy(stu_no,stu_no1);
	score=score1;
	++count;
	sum=sum+score;
	ave=sum/count;
}
Student::~Student()
{
	delete []name;
	delete []stu_no;
	--count;
	sum=sum-score;
}
void Student::show()
{
	cout<<"\n name: "<<name;
	cout<<"\n stu_no: "<<stu_no;
	cout<<"\n score: "<<score;
}
void Student::show_count_sum_ave()
{
	cout<<"\n count: "<<count;
	cout<<"\n sum: "<<sum;
	cout<<"\n ave: "<<ave;
}
void main()
{
	Student stu1("Liming","990201",90);
	stu1.show();
	stu1.show_count_sum_ave();
	Student stu2("Zhanghao","990202",85);
	stu2.show();
	stu2.show_count_sum_ave();
}
#include<iostream.h>
#include<string.h>
class Student {
public:
	Student(char *name1,char *stu_no1,float score1);
	~Student();
	void show();
	void show_count_sum_ave();
private:
	char *name;
	char *stu_no;
	float score;
	int count;
	float sum;
	float ave;
};
Student::Student(char *name1,char *stu_no1,float score1 )
{
	name=new char[strlen(name1)+1];
	strcpy(name,name1);
	stu_no=new char[strlen(stu_no1)+1];
	strcpy(stu_no,stu_no1);
	score=score1;
	++count;
	sum=sum+score;
	ave=sum/count;
}
Student::~Student()
{
	delete []name;
	delete []stu_no;
	--count;
	sum=sum-score;
}
void Student::show()
{
	cout<<"\n name: "<<name;
	cout<<"\n stu_no: "<<stu_no;
	cout<<"\n score: "<<score;
}
void Student::show_count_sum_ave()
{
	cout<<"\n count: "<<count;
	cout<<"\n sum: "<<sum;
	cout<<"\n ave: "<<ave;
}
void main()
{
	Student stu1("Liming","990201",90);
	stu1.show();
	stu1.show_count_sum_ave();
	Student stu2("Zhanghao","990202",85);
	stu2.show();
	stu2.show_count_sum_ave();
}
#include<iostream.h>
#include<string.h>
class Student {
public:
	Student(char *name1,char *stu_no1,float score1);
	~Student();
	void show();
	void show_count_sum_ave();
private:
	char *name;
	char *stu_no;
	float score;
	int count;
	float sum;
	float ave;
};
Student::Student(char *name1,char *stu_no1,float score1 )
{
	name=new char[strlen(name1)+1];
	strcpy(name,name1);
	stu_no=new char[strlen(stu_no1)+1];
	strcpy(stu_no,stu_no1);
	score=score1;
	++count;
	sum=sum+score;
	ave=sum/count;
}
Student::~Student()
{
	delete []name;
	delete []stu_no;
	--count;
	sum=sum-score;
}
void Student::show()
{
	cout<<"\n name: "<<name;
	cout<<"\n stu_no: "<<stu_no;
	cout<<"\n score: "<<score;
}
void Student::show_count_sum_ave()
{
	cout<<"\n count: "<<count;
	cout<<"\n sum: "<<sum;
	cout<<"\n ave: "<<ave;
}
void main()
{
	Student stu1("Liming","990201",90);
	stu1.show();
	stu1.show_count_sum_ave();
	Student stu2("Zhanghao","990202",85);
	stu2.show();
	stu2.show_count_sum_ave();
}
#include<iostream.h>
#include<string.h>
class Student {
public:
	Student(char *name1,char *stu_no1,float score1);
	~Student();
	void show();
	void show_count_sum_ave();
private:
	char *name;
	char *stu_no;
	float score;
	int count;
	float sum;
	float ave;
};
Student::Student(char *name1,char *stu_no1,float score1 )
{
	name=new char[strlen(name1)+1];
	strcpy(name,name1);
	stu_no=new char[strlen(stu_no1)+1];
	strcpy(stu_no,stu_no1);
	score=score1;
	++count;
	sum=sum+score;
	ave=sum/count;
}
Student::~Student()
{
	delete []name;
	delete []stu_no;
	--count;
	sum=sum-score;
}
void Student::show()
{
	cout<<"\n name: "<<name;
	cout<<"\n stu_no: "<<stu_no;
	cout<<"\n score: "<<score;
}
void Student::show_count_sum_ave()
{
	cout<<"\n count: "<<count;
	cout<<"\n sum: "<<sum;
	cout<<"\n ave: "<<ave;
}
void main()
{
	Student stu1("Liming","990201",90);
	stu1.show();
	stu1.show_count_sum_ave();
	Student stu2("Zhanghao","990202",85);
	stu2.show();
	stu2.show_count_sum_ave();
}
#include<iostream.h>
#include<string.h>
class Student {
public:
	Student(char *name1,char *stu_no1,float score1);
	~Student();
	void show();
	void show_count_sum_ave();
private:
	char *name;
	char *stu_no;
	float score;
	int count;
	float sum;
	float ave;
};
Student::Student(char *name1,char *stu_no1,float score1 )
{
	name=new char[strlen(name1)+1];
	strcpy(name,name1);
	stu_no=new char[strlen(stu_no1)+1];
	strcpy(stu_no,stu_no1);
	score=score1;
	++count;
	sum=sum+score;
	ave=sum/count;
}
Student::~Student()
{
	delete []name;
	delete []stu_no;
	--count;
	sum=sum-score;
}
void Student::show()
{
	cout<<"\n name: "<<name;
	cout<<"\n stu_no: "<<stu_no;