Hướng dẫn giải đề OOP học kì 1 năm 2015 - 2016 UIT

//#include <iostream>
//using namespace std;
//
//class PhanSo
//{
//  int tuso, mauso;
//public:
//  PhanSo(int tu = 0, int mau = 1)
//  {
//      tuso = tu;
//      mauso = mau;
//  }
//
//  PhanSo operator + (PhanSo c) //*this b la PhanSo c
//  {
//      PhanSo p;
//      p.tuso = this->tuso * c.mauso + this->mauso * c.tuso;
//      p.mauso = this->mauso * c.mauso;
//      return p;
//  }
//  void Xuat()
//  {
//      cout << this->tuso << " / " << this->mauso;
//  }
//};
//
//
//
//void main()
//{
//  PhanSo a;
//  PhanSo b(1, 2);
//  PhanSo c(3);
//
//  a = b + c;
//  a.Xuat();
//}

//NhanVien: ma nv, ho ten, tuoi, sdt, luong cb, mail, luong
//LTV: so gio lam them
//KCV: so loi phat hien duoc


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

class NhanVien
{
protected:
    string MaNv, HoTen, SDT, Mail;
    int Tuoi, Luong, LuongCB;
public:
    virtual void Nhap()
    {
        fflush(stdin);
        cout << "HoTen: ";
        getline(cin, HoTen);
        cout << "MaNv: ";
        getline(cin, MaNv);
        cout << "Mail: ";
        getline(cin, Mail);
        cout << "SDT: ";
        getline(cin, SDT);

        cout << "Tuoi: ";
        cin >> Tuoi;
        cout << "Luong co ban: ";
        cin >> LuongCB;
    }
    virtual void Xuat()
    {
        cout << "HoTen: " << HoTen << endl;
        cout << "MaNv: " << MaNv << endl;
        cout << "Mail: " << Mail << endl;
        cout << "SDT: " << SDT << endl;
        cout << "Tuoi: " << Tuoi << endl;
        cout << "Luong co ban: " << LuongCB << endl;
    }
    virtual void TinhLuong()
    {

    }

    int LayLuong()
    {
        return Luong;
    }
};
class LapTrinhVien : public NhanVien
{
    int SoGioLamThem;
public:
    void Nhap()
    {
        NhanVien::Nhap();
        cout << "So gio lam them: ";
        cin >> SoGioLamThem;
    }
    void Xuat()
    {
        NhanVien::Xuat();
        cout << "So gio lam them: " << SoGioLamThem << endl;
        cout << "Luong: " << Luong << endl;
    }
    void TinhLuong()
    {
        Luong = LuongCB + SoGioLamThem * 200000;
    }
};
class KiemChungVien : public NhanVien
{
    int SoLoiPhatHien;
public:
    void Nhap()
    {
        NhanVien::Nhap();
        cout << "So loi phat hien: ";
        cin >> SoLoiPhatHien;
    }
    void Xuat()
    {
        NhanVien::Xuat();
        cout << "So loi phat hien: " << SoLoiPhatHien << endl;
        cout << "Luong: " << Luong << endl;
    }
    void TinhLuong()
    {
        Luong = LuongCB + SoLoiPhatHien * 50000;
    }
};


class DSNV
{
    NhanVien *NV[1024];
    int n;
public:
    void Nhap()
    {
        cout << "So nhan vien trong cong ty (n < 1024): ";
        cin >> n;

        for (int i = 0; i < n; i++)
        {
            int c;
            cout << "1. Lap trinh vien\n2. Kiem chung vien\nLua Chon: ";
            cin >> c;

            if (c == 1)
                NV[i] = new LapTrinhVien();
            else if (c == 2)
                NV[i] = new KiemChungVien();

            NV[i]->Nhap();
            NV[i]->TinhLuong();
        }
    }

    void LietKe()
    {
        int LuongTB = 0;
        for (int i = 0; i < n; i++)
        {
            LuongTB += NV[i]->LayLuong();
        }
        LuongTB = LuongTB / n;
        for (int i = 0; i < n; i++)
        {
            if (NV[i]->LayLuong() <= LuongTB)
                NV[i]->Xuat();
        }
    }
};


void main()
{
    DSNV ds;
    ds.Nhap();
    ds.LietKe();
}