kiem_soat_thue_xe.cpp

#include<iostream>
#include<string>
#include<conio.h>

#define long long long
#define nln '\n'

using namespace std;

// khai báo lớp cha: class XE
class XE{
protected:
    string HoTenNguoiThue;
    float SoGioThue;
public:
    void NhapThongTin(){
        cin.ignore(); // xóa phím enter đang ở trong bộ nhớ đệm
        cout << "Nhap ho ten nguoi thue: ";
        getline(cin, HoTenNguoiThue);
        cout << "Nhap so gio thue: ";
        cin >> SoGioThue;
    }
    void XuatThongTin(){
        cout << "Ho ten nguoi thue la: " << HoTenNguoiThue << nln;
        cout << "So gio thue la: " << SoGioThue << nln;
    }
};
// khai báo lớp con: class XEDAP kế thừa lại class XE
class XEDAP : public XE{
private:
public:
    float TinhTienThueXe(){
        return 10000 + ((SoGioThue - 1) * 8000);
    }
};
// khai báo lớp con: class XEMAY kế thừa lại class XE
class XEMAY : public XE{
private:
    int LoaiXe;
    string BienSo;
public:
    void NhapThongTin(){
        XE::NhapThongTin();
        cout << "Nhap loai xe can thue(100 - 250 phan khoi): ";
        cin >> LoaiXe;
        cin.ignore(); // xóa phím enter đang ở trong bộ nhớ đệm
        cout << "Nhap bien so: ";
        getline(cin, BienSo);

    }
    float TinhTienThueXe(){
        float s = 0;
        if (LoaiXe == 100)
            s = 150000;
        else
            s = 200000;
        return s + ((SoGioThue - 1) * 100000);
    }
    void XuatThongTin(){
        XE::XuatThongTin();
        cout << "Loai xe: " << LoaiXe << nln;
        cout << "Bien so: " << BienSo << nln;
        cout << "Tien thue: " << TinhTienThueXe() << nln;
    }
};

void thong_tin_thue_xe_dap(XEDAP ds_xedap[], int n)
{
    int dem = 1;
    cout << "\n\n\t\t DANH SACH THUE XE DAP\n";
    for (int i = 0; i < n; i++){
        cout << "\n\tTHONG TIN THUE XE DAP THU " << dem++ << endl;
        ds_xedap[i].XuatThongTin();
    }
}

void thong_tin_thue_xe_may(XEMAY ds_xemay[], int m)
{
    cout << "\n\n\t\t DANH SACH THUE XE MAY\n";
    int pos=1;
    for (int i = 0; i < m; i++){
        cout << "\n\tTHONG TIN THUE MAY THU " << pos++ << endl;
        ds_xemay[i].XuatThongTin();
    }
}

void Xuat_Tat_Ca_Thong_Tin_Thue_Xe(XEDAP ds_xedap[], int n, XEMAY ds_xemay[], int m)
{
    thong_tin_thue_xe_dap(ds_xedap, n);
    thong_tin_thue_xe_may(ds_xemay, m);
    cout << nln << nln;
}

float Tinh_Tong_Tien_Thue_Xe(XEDAP ds_xedap[], int n, XEMAY ds_xemay[], int m)
{
    float tong = 0;
    // duyệt danh sách xe đạp
    for (int i = 0; i < n; i++)
        tong += ds_xedap[i].TinhTienThueXe();
    // duyệt danh sách xe máy
    for (int i = 0; i < m; i++)
        tong += ds_xemay[i].TinhTienThueXe();
    return tong;
}
// Menu chính thể hiện các chức năng
void Menu(XEDAP ds_xedap[], int n, XEMAY ds_xemay[], int m)
{
    int luachon;
    while (true){
        system("cls");
        cout << "========== QUAN LY XE ==========" << nln;
        cout << "1. Nhap danh sach thue xe dap hoac xe may" << nln;
        cout << "2. Xuat tat ca thong tin thue xe" << nln;
        cout << "3. Tinh tong so tien cho thue xe" << nln;
        cout << "4. Xuat tat ca cac thong tin lien quan den viec cho thue xe dap" << nln;
        cout << "5. Xuat tat ca cac thong tin lien quan den viec cho thue xe may" << nln;
        cout << "0. Ket thuc" << nln;
        cout << "============== END =============" << nln;
        cout << "Ban muon lam gi(0->6): ";
        cin >> luachon;

        if (!luachon)
            break;
        switch (luachon){
            case 1:
                int chon;
                while (1){
                    system("cls");
                    cout << "1. Thue XE DAP" << nln;
                    cout << "2. Thue XE MAY" << nln;
                    cout << "0. Ket thuc" << nln;
                    cout << "Nhap loai xe muon thue: ";
                    cin >> chon;

                    if (chon == 1){
                        XEDAP x;
                        cout << "NHAP THONG TIN THUE XE DAP\n";
                        x.NhapThongTin();
                        ds_xedap[n] = x;
                        n++;
                    }
                    else
                        if (chon == 2){
                            XEMAY x;
                            cout << " NHAP THONG TIN THUE XE MAY\n";
                            x.NhapThongTin();
                            ds_xemay[m] = x;
                            m++;
                        }
                        else
                            break;
                }
                break;
            case 2:
                Xuat_Tat_Ca_Thong_Tin_Thue_Xe(ds_xedap, n, ds_xemay, m);
                system("pause");
                break;
            case 3:
                system("clrscr");
                cout << "\n\n\t\tTONG TIEN THUE XE: " << (size_t)Tinh_Tong_Tien_Thue_Xe(ds_xedap, n, ds_xemay, m) << nln;
                cout << nln << nln;
                system("pause");
                break;
            case 4:
                thong_tin_thue_xe_dap(ds_xedap, n);
                cout << nln << nln << nln;
                system("pause");
                break;
            case 5:
                thong_tin_thue_xe_may(ds_xemay, m);
                cout << nln << nln << nln;
                system("pause");
                break;
        }
    }
}


int main()
{
    XEDAP ds_xedap[100];
    int n = 0;
    XEMAY ds_xemay[100];
    int m = 0;
    Menu(ds_xedap, n, ds_xemay, m);
    system("pause");
    return 0;
}