Simplest and Easiest Inheritance in C++: Easy Implementation of Inheritance in C++ Student/Teacher Program in C++

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#include<iostream.h> #include<conio.h> #define size 20 class person { protected: char name[size]; int id; public: person():id(0) {name[size]=' ';} virtual void getd(); virtual void putd(); virtual int isoutstanding()=0; }; class student : public person { protected: float gpa; public: student():person(){gpa=0;} void getd(); void putd(); int isoutstanding(); }; class teacher : public person { protected: int publish; public: teacher():person(){publish=0;} void getd(); void putd(); int isoutstanding(); }; //defineing functions for student class void student::getd() { cout<<"Enter the name of student\n"; cin.get(name,size); cout<<"Enter ID or REG\n"; cin>>id; cout<<"Enter gpa\n"; cin>>gpa; } void student::putd() { int i=0; cout<<"Name of student is\n"; while(name[i]!='\0') { cout<<name[i]; i++; } cout<<"Reg or ID is\n"; cout<<id; cout<<"gpa is\n"; cout<<gpa; } int student::isoutstanding() { if(gpa>=3.5) return 1; else return 0; } //defineing methods of teacher void teacher::getd() { cout<<"Enter the name of teacher\n"; cin.get(name,size); cout<<"Enter ID or REG\n"; cin>>id; cout<<"Enter number of publishes\n"; cin>>publish; }void teacher::putd() { int i=0; cout<<"Name of teacher is\n"; while(name[i]!='\0') { cout<<name[i]; i++; } cout<<"Reg or ID is\n"; cout<<id; cout<<"Number of publish is\n"; cout<<publish; } int teacher::isoutstanding() { if(publish>=5) return 1; else return 0; } int main() { person *pptr[20]; int n=0; char choice,reply; do { cout<<"Enter your choice"; cin>>choice; if(choice=='s') { pptr[n] = new student; } else { pptr[n] = new teacher; } pptr[n]->getd(); n++; cout<<"Do you want to run it again\n"; cin>>reply; } while(reply=='y'); getche(); return 0; }