第5章实验答案

person类（拷贝构造练习）new

Time Limit: 1 Sec Memory Limit: 128 MB

Submit: 231 Solved: 98

[Submit][Status][Web Board] Description

定义一个人员类，描述如下，请补充代码完善类并使测试结果正确class Person{

private:

char *name;

int age;

public:

Person(char *Name,int Age);

Person(const Person &p);

~Person();

void setAge(int x){ age=x; }

void print();

};

Input

Output

构造，析购，拷贝构造函数调用信息

Sample Input

Sample Output

constructor ....

Copy constructor ....

The Address of name: bree

The Address of name: bree

destructor (2)

destructor (1)

#include

#include

using namespace std;

class Person

{

private:

char *name;

int age;

static int num;

public:

Person(char *Name,int Age);

Person(const Person &p);

~Person();

void setAge(int x){ age=x; }

void print()const;

};

Person::Person(char *Name,int Age)

{

name=new char[strlen(Name)+1];

strcpy(name,Name);

age=Age;

num++;

cout<<"constructor ...."<

}

Person::Person(const Person &p)

{

name=new char[strlen()+1];

strcpy(name,);

age=p.age ;

num++;

cout<<"Copy constructor ...."<

}

Person::~Person()

{

cout<<"destructor..."<

}

void Person::print() const

{

cout<<"The Address of name: "<

}

int Person::num=0;

int main()

{

const Person p1("bree",2);

Person p2=p1;

//p1.setAge(1);

//p2.setAge(2);

p1.print();

p2.print();

return 0;

}

职工类（静态成员练习）

Time Limit: 1 Sec Memory Limit: 128 MB

Submit: 107 Solved: 93

[Submit][Status][Web Board] Description

设计一个职工类，职工类中包括职工姓名、薪水和所有职工的薪水总和。int main()

{

employee e1("zhang",100);

employee e2("wang",200);

employee e3("li",300);

cout<<"allsalary is "<

}

Input

Output

输出所有职工的薪水总和

Sample Input

Sample Output

allsalary is 600

HINT

Append Code

#include

using namespace std;

class employee

{

private:

double salary;

static int number;

static double allsalary;

public:

employee(string,double);

static double getallsalary()

{

return allsalary;

}

};

employee::employee(string name,double salary)

{

salary=salary;

number++;

allsalary+=salary;

}

int employee::number=0;

double employee::allsalary=0;

int main()

{

employee e1("zhang",100);

employee e2("wang",200);

employee e3("li",300);

cout<<"allsalary is "<

}