Untitled

#include<iostream>
#include<stdlib.h>
using namespace std;
void edit();
void input();
void display();
struct student{
	string ID;
	string name;
	float cgpa;
};
void input(student &stud){
	cout<<"Enter your name : ";
	cin>>stud.name;
	fflush(stdin);
	cout<<"Enter your ID : ";
	cin>>stud.ID;
	cout<<"Enter your CGPA : ";
	cin>>stud.cgpa;
}
void display(student &stud){
	cout<<"Name is : "<<stud.name<<endl;
	cout<<"ID is : "<<stud.ID<<endl;
	cout<<"CGPA is : "<<stud.cgpa<<endl;
}
void edit(student &stud){
	int choice;
	cout<<"\nEnter 1 to edit ID\n2 to edit name\n3 to edit CGPA\nElse press 4 key to exit !!\n\nSo What u wanna do ?"<<endl;
	cin>>choice;
	switch(choice){
		case 1:
			cout<<"Enter the new ID : ";
			cin>>stud.ID;
			display(stud);
			break;
		case 2:
			cout<<"Enter the new name : ";
			cin>>stud.name;
			display(stud);
			break;
		case 3:
			cout<<"Enter the new CGPA : ";
			cin>>stud.cgpa;
			display(stud);
			break;
		case 4:
			exit(0);
		default:
			cout<<"Please enter a correct choice"<<endl;
			edit(stud);
			break;
	}
}
int main(void){
	student stud;
	input(stud);
	display(stud);
	edit(stud);
}