Решения упражнений [Книга Р.Лафоре "ООП в С++]

#include<iostream>
#include<conio.h>
using namespace std;
 
int main()
{
    enum etype { laborer, secretary, manager, accountant, executive, researcher };
    char letter;
    etype type1;
do
{
    cout<<"First letter (laborer, secretary, manager, accountant, executive, researcher): "<<endl;
    
    letter=getche();
 
    switch(letter)
    {
    case 'l': type1=laborer;break;
    case 's': type1=secretary;break;
    case 'm': type1=manager;break;
    case 'a': type1=accountant;break;
    case 'e': type1=executive;break;
    case 'r': type1=researcher;break;
    default:continue;
    }       
        
    switch(type1)
    {
    case laborer: cout<<" laborer"<<endl;break;
    case secretary: cout<<" secretary"<<endl;break;
    case manager: cout<<" manager"<<endl;break;
    case accountant: cout<<" accountant"<<endl;break;
    case executive: cout<<" executive"<<endl;break;
    case researcher: cout<<" researcher"<<endl;break;
    default:continue;
    }
    cout<<"Restart?(y,n): ";
    cin>>letter;
}while(letter!='n');
system("pause");
return 0;
}