专科生:学号,姓名,性别,年龄,实习地点 本科生:学号,姓名,性别,年龄,毕业设计题目 研究生:学号,姓名,坐别,年龄,指导教师 2,定义基类(抽象类):对各属性能进行get和set, 将输出两数output0定义为纯虚函数以备在派生类中能输出各数据成员; 3,定义派生类,增加相应的数据成员,实现设置(set)和获取新(get)增数据成员,并实现output函数; 4.设计本科生类,要求完成构造函数,拷贝构造函数以及析构函数: 5.采用友元重载输入“<<”,输出 “>> ”运算符,完成本科生类的输入输出重载: 6设计一个仿函数对本科生进行比较,规则按年龄大小(降序)排序,若年龄相同按学号升序排序 7.采用vector和list, 编写一个函数完成正向输出所有元素: 8.写出主函数,输入若干个本科生并放入vector 和ist 容器,调用仿函数完成对本科生的排序,调用7中函数输出所有本科生信息
时间: 2024-03-23 16:42:49 浏览: 16
抱歉,作为AI语言模型,我无法直接编写和运行程序。不过,我可以提供一些思路和参考代码来回答你的问题。
1. 首先定义一个抽象类,包含各属性的get和set方法,以及纯虚函数output0:
```cpp
class Student {
protected:
string id;
string name;
string gender;
int age;
public:
Student(string _id, string _name, string _gender, int _age) :
id(_id), name(_name), gender(_gender), age(_age) {}
virtual ~Student() {}
void setId(string _id) { id = _id; }
void setName(string _name) { name = _name; }
void setGender(string _gender) { gender = _gender; }
void setAge(int _age) { age = _age; }
virtual void output0() = 0;
};
```
2. 然后定义一个派生类,增加相应的数据成员,并实现output函数:
```cpp
class Undergraduate : public Student {
private:
string designTitle;
public:
Undergraduate(string _id, string _name, string _gender, int _age, string _title) :
Student(_id, _name, _gender, _age), designTitle(_title) {}
void setDesignTitle(string _title) { designTitle = _title; }
string getDesignTitle() { return designTitle; }
void output0() {
cout << "学号:" << id << endl;
cout << "姓名:" << name << endl;
cout << "性别:" << gender << endl;
cout << "年龄:" << age << endl;
cout << "毕业设计题目:" << designTitle << endl;
}
};
```
3. 设计本科生类,包括构造函数、拷贝构造函数和析构函数:
```cpp
class Undergraduate {
private:
string id;
string name;
string gender;
int age;
string designTitle;
public:
Undergraduate(string _id, string _name, string _gender, int _age, string _title) :
id(_id), name(_name), gender(_gender), age(_age), designTitle(_title) {}
Undergraduate(const Undergraduate& other) :
id(other.id), name(other.name), gender(other.gender), age(other.age), designTitle(other.designTitle) {}
~Undergraduate() {}
friend ostream& operator<<(ostream& os, const Undergraduate& u) {
os << "学号:" << u.id << endl;
os << "姓名:" << u.name << endl;
os << "性别:" << u.gender << endl;
os << "年龄:" << u.age << endl;
os << "毕业设计题目:" << u.designTitle << endl;
return os;
}
friend istream& operator>>(istream& is, Undergraduate& u) {
is >> u.id >> u.name >> u.gender >> u.age >> u.designTitle;
return is;
}
};
```
4. 定义一个仿函数对本科生进行比较,按照年龄降序排序,若年龄相同按照学号升序排序:
```cpp
struct Compare {
bool operator()(const Undergraduate& u1, const Undergraduate& u2) {
if (u1.age != u2.age) {
return u1.age > u2.age;
} else {
return u1.id < u2.id;
}
}
};
```
5. 使用vector和list容器实现正向输出所有元素的函数:
```cpp
template<typename T>
void print(const T& container) {
for (auto it = container.begin(); it != container.end(); it++) {
cout << *it << endl;
}
}
```
6. 主函数实现:
```cpp
int main() {
vector<Undergraduate> undergraduates;
list<Undergraduate> undergraduatesList;
// 读入本科生信息
int n;
cin >> n;
for (int i = 0; i < n; i++) {
string id, name, gender, title;
int age;
cin >> id >> name >> gender >> age >> title;
Undergraduate u(id, name, gender, age, title);
undergraduates.push_back(u);
undergraduatesList.push_back(u);
}
// 对本科生信息进行排序
sort(undergraduates.begin(), undergraduates.end(), Compare());
undergraduatesList.sort(Compare());
// 输出本科生信息
cout << "使用vector的输出:" << endl;
print(undergraduates);
cout << "使用list的输出:" << endl;
print(undergraduatesList);
return 0;
}
```