Can anybody explain me why I need to delete the pointer of object in this?? this was shown in most of the website I was seeking

Question

#include <iostream>
#include <string>
using namespace std;

class Employee {
public:
Employee(string n, double s, long int i, string p, string c) :name(n), salary(s), id(i), post(p), company(c) {};
void getInfo() {
cout << "Name: " << name << endl;
cout << "Salary: " << salary << endl;
cout << "ID: " << id << endl;
cout << "Post: " << post << endl;
cout << "Company: " << company << endl;
}
private:
string name;
double salary;
long int id;
string post;
string company;
};

int main() {
Employee *e1 = new Employee("Rocky", 120000000000000000000000.00, 8055, "CEO", "INDIA");
e1->getInfo();

// here
//can anybody explain me why i should delete this
// it was recommended but why;
delete e1;
return 0;
}

Answer 1

To use better memory management and to avoid any memory leaks.. hope these helps..
https://www.programiz.com/cpp-programming/memory-management
https://en.m.wikipedia.org/wiki/Memory_leak

Answer 2

To free memory... I think