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  1. #include <iostream>
  2. #include <string>
  3.  
  4. using namespace std;
  5.  
  6. class Date
  7. {
  8.     public:
  9.         int day;
  10.         int month;
  11.         int year;
  12.         Date(){day=0;month=0;year=0;}
  13.         Date(int d,int m,int y){day=d;month=m;year=y;}
  14.         void Print(){std::cout<<day<<"-"<<month<<"-"<<year<< std::endl;}
  15. };
  16.  
  17. class Student
  18. {
  19.     public:
  20.         int id;
  21.         std::string name;
  22.         double gpa;
  23.         Date dob;
  24.         Student(){id=0;name="";gpa=0;}
  25.         Student(int i, std::string n, double g, Date d){ id = i; name = n; gpa = g; dob = d; }
  26.         void Print(){ std::cout << "id=" << id << ", name=" << name << ", gpa=" << gpa << ", DOB="; dob.Print(); }
  27. };
  28.  
  29. class Department
  30. {
  31.     public:
  32.         std::string name;
  33.         int numOfStudents;
  34.         std::string chair;
  35.         Student students[100];
  36.         Department(){name="";numOfStudents=0;chair="";}
  37.         Department(std::string n, std::string c){ name = n; chair = c; numOfStudents = 0; }
  38.         void Print(){ std::cout << "Department=" << name << ", # of students=" << numOfStudents << ", Chair=" << chair << std::endl; }
  39.         void PrintStudents(){for(int i=0; i<numOfStudents; i++) students[i].Print();}
  40.         void AddStudent(Student s)
  41.         {
  42.             students[numOfStudents]=s;
  43.             numOfStudents++;
  44.         }
  45.         void DeleteStudent(int id){}
  46. };
  47.  
  48. class College
  49. {
  50.     public:
  51.         std::string name;
  52.         int numOfStudents;
  53.         std::string dean;
  54.         Department departments[10];
  55.         int numOfDepartments;
  56.         College(){name="";numOfStudents=0;dean="";numOfDepartments=0;}
  57.         College(std::string n, std::string d){ name = n; dean = d; numOfStudents = 0; numOfDepartments = 0; }
  58.         void Print(){ std::cout << "College=" << name << ", # of students=" << numOfStudents << ", Dean=" << dean << std::endl; }
  59.         void PrintDepartments(){for(int i=0; i<numOfDepartments; i++) departments[i].Print();}
  60.         void AddDepartment(Department s){departments[numOfDepartments]=s;numOfDepartments++;numOfStudents+=s.numOfStudents;}
  61.         void DeleteDepartment(string name){}
  62. };
  63.  
  64. class University
  65. {
  66.     public:
  67.         string name;
  68.         int numOfStudents;
  69.         string rector;
  70.         College colleges[10];
  71.         int numOfColleges;
  72.         University(){name="";numOfStudents=0;rector="";numOfColleges=0;}
  73.         University(string n, string r){name=n;rector=r;numOfStudents=0;numOfColleges=0;}
  74.         void Print(){cout<<"University="<<name<<", # of students="<<numOfStudents<<", Rector="<<rector<<endl;}
  75.         void PrintColleges(){for(int i=0; i<numOfColleges; i++) colleges[i].Print();}
  76.         void AddCollege(College c){colleges[numOfColleges]=c;numOfColleges++;numOfStudents+=c.numOfStudents;}
  77.         void DeleteCollege(string name){}
  78. };
  79.  
  80. int main()
  81. {
  82.     cout << sizeof(University) << "\n";
  83.     cout << sizeof(College) << "\n";
  84.     cout << sizeof(Department);
  85. }
  86.  
Success #stdin #stdout 0s 3096KB
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https://ideone.com/gRUxGR
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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