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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4.  
  5. using namespace std;
  6.  
  7. class Date
  8. {
  9.     public:
  10.         int day;
  11.         int month;
  12.         int year;
  13.         Date(){day=0;month=0;year=0;}
  14.         Date(int d,int m,int y){day=d;month=m;year=y;}
  15.         void Print(){std::cout<<day<<"-"<<month<<"-"<<year<< std::endl;}
  16. };
  17.  
  18. class Student
  19. {
  20.     public:
  21.         int id;
  22.         std::string name;
  23.         double gpa;
  24.         Date dob;
  25.         Student(){id=0;name="";gpa=0;}
  26.         Student(int i, std::string n, double g, Date d){ id = i; name = n; gpa = g; dob = d; }
  27.         void Print(){ std::cout << "id=" << id << ", name=" << name << ", gpa=" << gpa << ", DOB="; dob.Print(); }
  28. };
  29.  
  30. class Department
  31. {
  32.     public:
  33.         std::string name;
  34.         std::string chair;
  35.         std::vector<Student> students;
  36.         Department(std::string n = "", std::string c="" ) : name(n), chair(c) {}
  37.         void Print(){ std::cout << "Department=" << name << ", # of students=" << students.size()<< ", Chair=" << chair << std::endl; }
  38. //        void PrintStudents(){for(int i=0; i<numOfStudents; i++) students[i].Print();}
  39.         void AddStudent(Student s)
  40.         { students.push_back(s); }
  41.         void DeleteStudent(int id){}
  42. };
  43.  
  44. class College
  45. {
  46.     public:
  47.         std::string name;
  48.         int numOfStudents;
  49.         std::string dean;
  50.         std::vector<Department> departments;
  51.         int numOfDepartments;
  52.         College(){name="";numOfStudents=0;dean="";numOfDepartments=0;}
  53.         College(std::string n, std::string d){ name = n; dean = d; numOfStudents = 0; numOfDepartments = 0; }
  54.         void Print(){ std::cout << "College=" << name << ", # of students=" << numOfStudents << ", Dean=" << dean << std::endl; }
  55.         void PrintDepartments(){for(int i=0; i<numOfDepartments; i++) departments[i].Print();}
  56.         void AddDepartment(Department s){departments.push_back(s);}
  57.         void DeleteDepartment(string name){}
  58. };
  59.  
  60. class University
  61. {
  62.     public:
  63.         string name;
  64.         int numOfStudents;
  65.         string rector;
  66.         std::vector<College> colleges;
  67.         int numOfColleges;
  68.         University(){name="";numOfStudents=0;rector="";numOfColleges=0;}
  69.         University(string n, string r){name=n;rector=r;numOfStudents=0;numOfColleges=0;}
  70.         void Print(){cout<<"University="<<name<<", # of students="<<numOfStudents<<", Rector="<<rector<<endl;}
  71.         void PrintColleges(){for(int i=0; i<numOfColleges; i++) colleges[i].Print();}
  72.         void AddCollege(College c){colleges[numOfColleges]=c;numOfColleges++;numOfStudents+=c.numOfStudents;}
  73.         void DeleteCollege(string name){}
  74. };
  75.  
  76. int main()
  77. {
  78.     cout << sizeof(University) << "\n";
  79.     cout << sizeof(College) << "\n";
  80.     cout << sizeof(Department);
  81. }
  82.  
Success #stdin #stdout 0s 3140KB
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https://ideone.com/mS1gYJ
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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