emp.cpp

// Employee mangemant using c++

#include <iostream>
using namespace std;

struct Employee 
{
  string name;
  int age;
  int salary;
  char gender;
};

void printMenu() {
  cout << "Enter Your choice." << endl;
  cout << "=======================" << endl;
  cout << "1) Add a new employee" << endl;
  cout << "2) print all employees" << endl;
  cout << "3) Delete by age." << endl;
  cout << "4) Update salary by name." << endl;
  cout << "5) Exit" << endl;
}

void printEmployeeInfo(Employee emp) {
  cout << "Name: " << emp.name << endl;
  cout << "Age: " << emp.age << endl;
  cout << "Salary: " << emp.salary << endl;
  cout << "Gender: " << emp.gender << endl;
}

void resetEmp(Employee &emp) 
{
  emp.name = "NULL";
  emp.age = 0;
  emp.salary = 0;
  emp.gender = 'M';
}

int main()
{
    cout << "empolyee mangement system." << endl;
    cout << "===========================" << endl;
    int counter;
    cout << "Enter number of employees:";
    // counter = number of employes 
    cin >> counter;
    Employee empolyees[counter];
    bool exit = false;
    while (!exit) {
      printMenu();
      int choice;
      cin >> choice;

        switch (choice) {
          case 1: 
            for (int i = 0; i < counter; i++) {
                cout << "Enter employee name: ";
                cin >> empolyees[i].name;
                cout << "Enter employee age: ";
                cin >> empolyees[i].age;
                cout << "Enter employee salary:";
                cin >> empolyees[i].salary;
                cout << "Enter employee gender: ";
                cin >> empolyees[i].gender;
                cout << "======================" << endl;
            }
          break;
         case 2:
            for (int i = 0; i < counter; i++) {
              cout << "Employee [" << i + 1 << "]" << endl;
              printEmployeeInfo(empolyees[i]);
              cout << "======================" << endl;
            }
          break;
          case 3:
            int age;
            cout << "Enter age to delete: ";
            cin >> age;
            for (int i = 0; i < counter; i++) {
              if (empolyees[i].age == age) {
                resetEmp(empolyees[i]);
              }
            }
            break;
          case 4: {
            string name = "";
            cout << "Enter name to update salary: ";
            cin >> name;
            for (int i = 0; i < counter; i++) {
              if (empolyees[i].name == name) {
                cout << "Enter new salary: ";
                cin >> empolyees[i].salary;
              }
            }
           } break;
          case 5:
            exit = true;
            break;
          default:
            cout << "Invalid choice." << endl;
            break;
        }
    }
}