Bài tập lớn it05 cntt ehou

BÀI TẬP LỚN - ĐỀ SỐ 01 - IT05 - EHOU - năm học 2024 … #include #include #include #include using namespace std; struct MyPham { int id; string ten; double gia; }; struct HoaDon { int id; string ten_khach_hang; vector ds_my_pham; }; class QuanLyMyPham {

BÀI TẬP LỚN - ĐỀ SỐ 01 - IT05 - EHOU - năm học 2024 …#include <iostream>

#include <string>#include <vector>#include <algorithm>using namespace std;

struct MyPham { int id;

string ten; double gia;};

struct HoaDon { int id;

string ten_khach_hang;

vector<MyPham> ds_my_pham;};

class QuanLyMyPham {private:

vector<MyPham> ds_my_pham; vector<HoaDon> ds_hoa_don;

void nhapMyPham() { MyPham mp;

cout << "Nhap ID my pham: "; cin >> mp.id;

cout << "Nhap ten my pham: "; cin.ignore();

getline(cin, mp.ten);

cout << "Nhap gia my pham: "; cin >> mp.gia;

ds_my_pham.push_back(mp); }

cout << "Nhap ID hoa don: "; cin >> hd.id;

cout << "Nhap ten khach hang: "; cin.ignore();

getline(cin, hd.ten_khach_hang); int so_luong;

cout << "Nhap so luong my pham: "; cin >> so_luong;

for (int i = 0; i < so_luong; ++i) { MyPham mp;

cout << "Nhap ID my pham: "; cin >> mp.id;

cout << "Nhap ten my pham: "; cin.ignore();

getline(cin, mp.ten);

cout << "Nhap gia my pham: "; cin >> mp.gia;

hd.ds_my_pham.push_back(mp);

}

ds_hoa_don.push_back(hd); }

void suaMyPham(int id) {

for (size_t i = 0; i < ds_my_pham.size(); ++i) { if (ds_my_pham[i].id == id) {

cout << "Nhap ten moi: "; cin.ignore();

getline(cin, ds_my_pham[i].ten); cout << "Nhap gia moi: "; cin >> ds_my_pham[i].gia; return;

} }

cout << "Khong tim thay my pham voi ID nay!" << endl; }

void xoaMyPham(int id) {

for (size_t i = 0; i < ds_my_pham.size(); ++i) { if (ds_my_pham[i].id == id) {

ds_my_pham.erase(ds_my_pham.begin() + i); cout << "Xoa thanh cong!" << endl;

return; }

}

cout << "Khong tim thay my pham voi ID nay!" << endl; }

void timKiemMyPham(int id) {

for (size_t i = 0; i < ds_my_pham.size(); ++i) { if (ds_my_pham[i].id == id) {

MyPham mp = ds_my_pham[i];

cout << "ID: " << mp.id << ", Ten: " << mp.ten << ", Gia: " << mp.gia << endl; return;

} }

cout << "Khong tim thay my pham voi ID nay!" << endl; }

static bool soSanhTheoGia(MyPham a, MyPham b) { return a.gia < b.gia;

}

void sapXepMyPhamTheoGia() {

sort(ds_my_pham.begin(), ds_my_pham.end(), soSanhTheoGia); cout << "Danh sach my pham sau khi sap xep theo gia:" << endl; inDanhSachMyPham();

}

void tongGiaTriMyPham() { double tong = 0;

for (size_t i = 0; i < ds_my_pham.size(); ++i) {

tong += ds_my_pham[i].gia; }

cout << "Tong gia tri cac my pham: " << tong << endl; }

void trungBinhGiaTriMyPham() { if (ds_my_pham.empty()) {

cout << "Khong co my pham nao trong danh sach!" << endl; return;

}

cout << "So luong my pham co gia tren hoac bang " << gia << " la: " << dem << endl; }

};

int main() {

QuanLyMyPham ql; int chon;

ql.nhapMyPham(); break;

case 2:

ql.inDanhSachMyPham(); break;

case 3:

ql.themHoaDon(); break;

case 4:

ql.inDanhSachHoaDon(); break;

case 5: int id_sua;

cout << "Nhap ID my pham can sua: "; cin >> id_sua;

ql.suaMyPham(id_sua); break;

case 6: int id_xoa;

cout << "Nhap ID my pham can xoa: "; cin >> id_xoa;

ql.xoaMyPham(id_xoa); break;

case 7: int id_tim;

cout << "Nhap ID my pham can tim: "; cin >> id_tim;

ql.timKiemMyPham(id_tim); break;

case 8:

ql.sapXepMyPhamTheoGia(); break;

case 9:

ql.tongGiaTriMyPham(); break;

case 10:

ql.trungBinhGiaTriMyPham(); break;

case 11:

ql.demSoLuongMyPham(); break;

case 12: double gia;

cout << "Nhap gia de thong ke: "; cin >> gia;

ql.thongKeMyPhamTheoGia(gia); break;

}

} while (chon != 0); return 0;

}

BÀI TẬP LỚN 2 IT 05 #include <iostream>#include <string>#include <vector>#include <algorithm>using namespace std;

struct MyPham { int id;

string ten; double gia;};

struct HoaDon { int id;

string ten_khach_hang;

vector<MyPham> ds_my_pham;};

class QuanLyMyPham {private:

vector<MyPham> ds_my_pham; vector<HoaDon> ds_hoa_don;

void nhapMyPham() { MyPham mp;

cout << "Nhap ID my pham: "; cin >> mp.id;

cout << "Nhap ten my pham: "; cin.ignore();

getline(cin, mp.ten);

cout << "Nhap gia my pham: "; cin >> mp.gia;

ds_my_pham.push_back(mp); }

cout << "Nhap ID hoa don: "; cin >> hd.id;

cout << "Nhap ten khach hang: "; cin.ignore();

getline(cin, hd.ten_khach_hang); int so_luong;

cout << "Nhap so luong my pham: "; cin >> so_luong;

for (int i = 0; i < so_luong; ++i) { MyPham mp;

cout << "Nhap ID my pham: "; cin >> mp.id;

cout << "Nhap ten my pham: "; cin.ignore();

getline(cin, mp.ten);

cout << "Nhap gia my pham: "; cin >> mp.gia;

hd.ds_my_pham.push_back(mp);

}

ds_hoa_don.push_back(hd); }

void suaMyPham(int id) {

for (size_t i = 0; i < ds_my_pham.size(); ++i) { if (ds_my_pham[i].id == id) {

cout << "Nhap ten moi: "; cin.ignore();

getline(cin, ds_my_pham[i].ten); cout << "Nhap gia moi: "; cin >> ds_my_pham[i].gia; return;

} }

cout << "Khong tim thay my pham voi ID nay!" << endl; }

void xoaMyPham(int id) {

for (size_t i = 0; i < ds_my_pham.size(); ++i) { if (ds_my_pham[i].id == id) {

ds_my_pham.erase(ds_my_pham.begin() + i); cout << "Xoa thanh cong!" << endl;

return; }

}

cout << "Khong tim thay my pham voi ID nay!" << endl; }

void timKiemMyPham(int id) {

for (size_t i = 0; i < ds_my_pham.size(); ++i) { if (ds_my_pham[i].id == id) {

MyPham mp = ds_my_pham[i];

cout << "ID: " << mp.id << ", Ten: " << mp.ten << ", Gia: " << mp.gia << endl; return;

} }

cout << "Khong tim thay my pham voi ID nay!" << endl; }

static bool soSanhTheoGia(MyPham a, MyPham b) { return a.gia < b.gia;

}

void sapXepMyPhamTheoGia() {

sort(ds_my_pham.begin(), ds_my_pham.end(), soSanhTheoGia); cout << "Danh sach my pham sau khi sap xep theo gia:" << endl; inDanhSachMyPham();

}

void tongGiaTriMyPham() { double tong = 0;

for (size_t i = 0; i < ds_my_pham.size(); ++i) {

tong += ds_my_pham[i].gia; }

cout << "Tong gia tri cac my pham: " << tong << endl; }

void trungBinhGiaTriMyPham() { if (ds_my_pham.empty()) {

cout << "Khong co my pham nao trong danh sach!" << endl; return;

}

cout << "So luong my pham co gia tren hoac bang " << gia << " la: " << dem << endl; }

};

int main() {

QuanLyMyPham ql; int chon;

ql.nhapMyPham(); break;

case 2:

ql.inDanhSachMyPham(); break;

case 3:

ql.themHoaDon(); break;

case 4:

ql.inDanhSachHoaDon(); break;

case 5: int id_sua;

cout << "Nhap ID my pham can sua: "; cin >> id_sua;

ql.suaMyPham(id_sua); break;

case 6: int id_xoa;

cout << "Nhap ID my pham can xoa: "; cin >> id_xoa;

ql.xoaMyPham(id_xoa); break;

case 7: int id_tim;

cout << "Nhap ID my pham can tim: "; cin >> id_tim;

ql.timKiemMyPham(id_tim); break;

case 8:

ql.sapXepMyPhamTheoGia(); break;

case 9:

ql.tongGiaTriMyPham(); break;

case 10:

ql.trungBinhGiaTriMyPham(); break;

case 11:

ql.demSoLuongMyPham(); break;

case 12: double gia;

cout << "Nhap gia de thong ke: "; cin >> gia;

ql.thongKeMyPhamTheoGia(gia); break;

}

} while (chon != 0); return 0;

}

BÀI TẬP LỚN ĐỀ SỐ 03 - IT05 - EHOU#include <iostream>

#include <string>#include <vector>#include <algorithm>using namespace std;

struct DienThoai { int id;

string ten; string hang; double gia;};

struct HoaDon { int id;

string ten_khach_hang;

vector<DienThoai> ds_dien_thoai;};

class QuanLyDienThoai {private:

vector<DienThoai> ds_dien_thoai; vector<HoaDon> ds_hoa_don;

void nhapDienThoai() { DienThoai dt;

cout << "Nhap ID dien thoai: "; cin >> dt.id;

cout << "Nhap ten dien thoai: "; cin.ignore();

void themHoaDon() { HoaDon hd;

cout << "Nhap ID hoa don: "; cin >> hd.id;

cout << "Nhap ten khach hang: "; cin.ignore();

getline(cin, hd.ten_khach_hang); int so_luong;

cout << "Nhap so luong dien thoai: "; cin >> so_luong;

for (int i = 0; i < so_luong; ++i) { DienThoai dt;

cout << "Nhap ID dien thoai: "; cin >> dt.id;

cout << "Nhap ten dien thoai: "; cin.ignore();

getline(cin, dt.ten);

cout << "Nhap hang dien thoai: "; getline(cin, dt.hang);

cout << "Nhap gia dien thoai: "; cin >> dt.gia;

hd.ds_dien_thoai.push_back(dt); }

ds_hoa_don.push_back(hd); }

void suaDienThoai(int id) {

for (size_t i = 0; i < ds_dien_thoai.size(); ++i) { if (ds_dien_thoai[i].id == id) {

cout << "Nhap ten moi: "; cin.ignore();

getline(cin, ds_dien_thoai[i].ten); cout << "Nhap hang moi: "; getline(cin, ds_dien_thoai[i].hang); cout << "Nhap gia moi: ";

cin >> ds_dien_thoai[i].gia; return;

}

}

cout << "Khong tim thay dien thoai voi ID nay!" << endl; }

void xoaDienThoai(int id) {

for (size_t i = 0; i < ds_dien_thoai.size(); ++i) { if (ds_dien_thoai[i].id == id) {

ds_dien_thoai.erase(ds_dien_thoai.begin() + i); cout << "Xoa thanh cong!" << endl;

return; }

}

cout << "Khong tim thay dien thoai voi ID nay!" << endl; }

void timKiemDienThoai(int id) {

for (size_t i = 0; i < ds_dien_thoai.size(); ++i) { if (ds_dien_thoai[i].id == id) {

DienThoai dt = ds_dien_thoai[i];

cout << "ID: " << dt.id << ", Ten: " << dt.ten << ", Hang: " << dt.hang << ", Gia: " << dt.gia << endl;

return; }

cout << "Danh sach dien thoai sau khi sap xep theo gia:" << endl; inDanhSachDienThoai();

}

void tongGiaTriDienThoai() { double tong = 0;

for (size_t i = 0; i < ds_dien_thoai.size(); ++i) { tong += ds_dien_thoai[i].gia;

}

cout << "Tong gia tri cac dien thoai: " << tong << endl; }

void trungBinhGiaTriDienThoai() { if (ds_dien_thoai.empty()) {

cout << "Khong co dien thoai nao trong danh sach!" << endl; return;

dem++; }

ql.nhapDienThoai(); break;

case 2:

ql.inDanhSachDienThoai(); break;

case 3:

ql.themHoaDon(); break;

case 4:

ql.inDanhSachHoaDon(); break;

case 5:

int id_sua;

cout << "Nhap ID dien thoai can sua: "; cin >> id_sua;

ql.suaDienThoai(id_sua); break;

case 6: int id_xoa;

cout << "Nhap ID dien thoai can xoa: "; cin >> id_xoa;

ql.xoaDienThoai(id_xoa); break;

case 7: int id_tim;

cout << "Nhap ID dien thoai can tim: "; cin >> id_tim;

ql.timKiemDienThoai(id_tim); break;

case 8:

ql.sapXepDienThoaiTheoGia(); break;

case 9:

ql.tongGiaTriDienThoai(); break;

case 10:

ql.trungBinhGiaTriDienThoai(); break;

case 11:

ql.demSoLuongDienThoai(); break;

case 12: double gia;

cout << "Nhap gia de thong ke: ";

cin >> gia;

ql.thongKeDienThoaiTheoGia(gia); break;

}

} while (chon != 0); return 0;

ĐỀ SỐ 4 - BTL - IT05 - EHOU#include <iostream>

#include <string>#include <vector>#include <algorithm>using namespace std;

struct MonHoc { int id;

string ten; double diem;};

struct SinhVien { int id;

string ten;

vector<MonHoc> ds_mon_hoc;};

class QuanLyDiem {private:

vector<SinhVien> ds_sinh_vien;

void nhapSinhVien() {

cout << "Nhap so luong mon hoc: "; cin >> so_mon_hoc;

for (int i = 0; i < so_mon_hoc; ++i) { MonHoc mh;

cout << "Nhap ID mon hoc: "; cin >> mh.id;

cout << "Nhap ten mon hoc: "; cin.ignore();

getline(cin, mh.ten);

cout << "Nhap diem mon hoc: "; cin >> mh.diem;

sv.ds_mon_hoc.push_back(mh); }

ds_sinh_vien.push_back(sv); }

cout << "\tID Mon Hoc: " << mh.id << ", Ten: " << mh.ten << ", Diem: " << mh.diem << endl;

} }

}

void themMonHoc(int id_sinh_vien) {

for (size_t i = 0; i < ds_sinh_vien.size(); ++i) { if (ds_sinh_vien[i].id == id_sinh_vien) { MonHoc mh;

cout << "Nhap ID mon hoc: "; cin >> mh.id;

cout << "Nhap ten mon hoc: "; cin.ignore();

getline(cin, mh.ten);

cout << "Nhap diem mon hoc: "; cin >> mh.diem;

ds_sinh_vien[i].ds_mon_hoc.push_back(mh); return;

} }

cout << "Khong tim thay sinh vien voi ID nay!" << endl; }

void suaDiemMonHoc(int id_sinh_vien, int id_mon_hoc) { for (size_t i = 0; i < ds_sinh_vien.size(); ++i) {

if (ds_sinh_vien[i].id == id_sinh_vien) {

for (size_t j = 0; j < ds_sinh_vien[i].ds_mon_hoc.size(); ++j) { if (ds_sinh_vien[i].ds_mon_hoc[j].id == id_mon_hoc) { cout << "Nhap diem moi: ";

cin >> ds_sinh_vien[i].ds_mon_hoc[j].diem; return;

} } } }

cout << "Khong tim thay sinh vien hoac mon hoc voi ID nay!" << endl; }

void xoaMonHoc(int id_sinh_vien, int id_mon_hoc) { for (size_t i = 0; i < ds_sinh_vien.size(); ++i) { if (ds_sinh_vien[i].id == id_sinh_vien) {

for (size_t j = 0; j < ds_sinh_vien[i].ds_mon_hoc.size(); ++j) { if (ds_sinh_vien[i].ds_mon_hoc[j].id == id_mon_hoc) {

ds_sinh_vien[i].ds_mon_hoc.erase(ds_sinh_vien[i].ds_mon_hoc.begin() + j); cout << "Xoa thanh cong!" << endl;

return; }

} } }

cout << "Khong tim thay sinh vien hoac mon hoc voi ID nay!" << endl; }

void timKiemSinhVien(int id) {

for (size_t i = 0; i < ds_sinh_vien.size(); ++i) { if (ds_sinh_vien[i].id == id) {

SinhVien sv = ds_sinh_vien[i];

cout << "ID: " << sv.id << ", Ten: " << sv.ten << endl; for (size_t j = 0; j < sv.ds_mon_hoc.size(); ++j) { MonHoc mh = sv.ds_mon_hoc[j];

cout << "\tID Mon Hoc: " << mh.id << ", Ten: " << mh.ten << ", Diem: " << mh.diem <<endl;

} return; }

}

cout << "Khong tim thay sinh vien voi ID nay!" << endl; }

static bool soSanhTheoDiem(MonHoc a, MonHoc b) { return a.diem < b.diem;

}

void sapXepMonHocTheoDiem(int id_sinh_vien) { for (size_t i = 0; i < ds_sinh_vien.size(); ++i) { if (ds_sinh_vien[i].id == id_sinh_vien) {

sort(ds_sinh_vien[i].ds_mon_hoc.begin(), ds_sinh_vien[i].ds_mon_hoc.end(), soSanhTheoDiem);

cout << "Danh sach mon hoc sau khi sap xep theo diem:" << endl; for (size_t j = 0; j < ds_sinh_vien[i].ds_mon_hoc.size(); ++j) { MonHoc mh = ds_sinh_vien[i].ds_mon_hoc[j];

cout << "\tID Mon Hoc: " << mh.id << ", Ten: " << mh.ten << ", Diem: " << mh.diem <<endl;

} return; }

cout << "Khong tim thay sinh vien voi ID nay!" << endl; }

void trungBinhDiemSinhVien(int id_sinh_vien) { double tong = 0;

int so_mon_hoc = 0;

for (size_t i = 0; i < ds_sinh_vien.size(); ++i) { if (ds_sinh_vien[i].id == id_sinh_vien) {

so_mon_hoc = ds_sinh_vien[i].ds_mon_hoc.size(); for (size_t j = 0; j < so_mon_hoc; ++j) {

tong += ds_sinh_vien[i].ds_mon_hoc[j].diem; }

cout << "Diem trung binh cua sinh vien: " << tong / so_mon_hoc << endl; return;

} }

cout << "Khong tim thay sinh vien voi ID nay!" << endl; }

void demSoLuongMonHoc(int id_sinh_vien) { for (size_t i = 0; i < ds_sinh_vien.size(); ++i) { if (ds_sinh_vien[i].id == id_sinh_vien) {

cout << "So luong mon hoc cua sinh vien: " << ds_sinh_vien[i].ds_mon_hoc.size() << endl; return;

} }

cout << "Khong tim thay sinh vien voi ID nay!" << endl; }

void thongKeMonHocTheoDiem(int id_sinh_vien, double diem) { int dem = 0;

for (size_t i = 0; i < ds_sinh_vien.size(); ++i) {

if (ds_sinh_vien[i].id == id_sinh_vien) {

for (size_t j = 0; j < ds_sinh_vien[i].ds_mon_hoc.size(); ++j) { if (ds_sinh_vien[i].ds_mon_hoc[j].diem >= diem) {

dem++; }

}

cout << "So luong mon hoc co diem tren hoac bang " << diem << " la: " << dem << endl; return;

} }

cout << "Khong tim thay sinh vien voi ID nay!" << endl; }

int main() {

QuanLyDiem ql; int chon;

ql.nhapSinhVien(); break;

case 2:

ql.inDanhSachSinhVien(); break;

case 3: int id_sv;

cout << "Nhap ID sinh vien: "; cin >> id_sv;

ql.themMonHoc(id_sv); break;

case 4:

int id_sv_sua, id_mh_sua; cout << "Nhap ID sinh vien: "; cin >> id_sv_sua;

cout << "Nhap ID mon hoc: "; cin >> id_mh_sua;

ql.suaDiemMonHoc(id_sv_sua, id_mh_sua); break;

case 5:

int id_sv_xoa, id_mh_xoa; cout << "Nhap ID sinh vien: "; cin >> id_sv_xoa;

cout << "Nhap ID mon hoc: "; cin >> id_mh_xoa;

ql.xoaMonHoc(id_sv_xoa, id_mh_xoa); break;

case 6: int id_tim;

cout << "Nhap ID sinh vien: "; cin >> id_tim;

ql.timKiemSinhVien(id_tim); break;

case 11:

int id_sv_thk; double diem_thk;

cout << "Nhap ID sinh vien: "; cin >> id_sv_thk;

cout << "Nhap diem de thong ke: "; cin >> diem_thk;

ql.thongKeMonHocTheoDiem(id_sv_thk, diem_thk); break;

}

} while (chon != 0); return 0;

ĐỀ SỐ 5 - BTL - IT05 - EHOU

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

struct Sach { int id; string ten; string tac_gia; int nam_xuat_ban;};

struct PhieuMuon { int id;

string ten_nguoi_muon; vector<Sach> ds_sach; string ngay_muon; string ngay_tra;};

class QuanLyThuVien {private:

vector<Sach> ds_sach;

vector<PhieuMuon> ds_phieu_muon;

void nhapSach() { Sach s;

cout << "Nhap ID sach: "; cin >> s.id;

cout << "Nhap ten sach: ";

cin.ignore(); getline(cin, s.ten);

cout << "Nhap ten tac gia: "; getline(cin, s.tac_gia);

cout << "Nhap nam xuat ban: "; cin >> s.nam_xuat_ban;

ds_sach.push_back(s); }

void themPhieuMuon() { PhieuMuon pm;

cout << "Nhap ID phieu muon: "; cin >> pm.id;

cout << "Nhap ten nguoi muon: "; cin.ignore();

cout << "Nhap ID sach: "; cin >> s.id;

cout << "Nhap ten sach: "; cin.ignore();

ds_phieu_muon.push_back(pm); }

void suaSach(int id) {

for (size_t i = 0; i < ds_sach.size(); ++i) { if (ds_sach[i].id == id) {

cout << "Nhap ten moi: "; cin.ignore();

getline(cin, ds_sach[i].ten);

cout << "Nhap ten tac gia moi: "; getline(cin, ds_sach[i].tac_gia); cout << "Nhap nam xuat ban moi: "; cin >> ds_sach[i].nam_xuat_ban; return;

} }

cout << "Khong tim thay sach voi ID nay!" << endl; }

void xoaSach(int id) {

for (size_t i = 0; i < ds_sach.size(); ++i) { if (ds_sach[i].id == id) {

ds_sach.erase(ds_sach.begin() + i); cout << "Xoa thanh cong!" << endl; return;

} }

cout << "Khong tim thay sach voi ID nay!" << endl; }

void timKiemSach(int id) {

for (size_t i = 0; i < ds_sach.size(); ++i) { if (ds_sach[i].id == id) {

Sach s = ds_sach[i];

cout << "ID: " << s.id << ", Ten: " << s.ten << ", Tac gia: " << s.tac_gia << ", Nam xuat ban: " << s.nam_xuat_ban << endl;

return; }

}

cout << "Khong tim thay sach voi ID nay!" << endl; }

static bool soSanhTheoNamXuatBan(Sach a, Sach b) { return a.nam_xuat_ban < b.nam_xuat_ban;

}

void sapXepSachTheoNamXuatBan() {

sort(ds_sach.begin(), ds_sach.end(), soSanhTheoNamXuatBan); cout << "Danh sach sach sau khi sap xep theo nam xuat ban:" << endl; inDanhSachSach();

cout << "Khong co sach nao trong danh sach!" << endl; return;

}

double tong = 0;

for (size_t i = 0; i < ds_sach.size(); ++i) { tong += ds_sach[i].nam_xuat_ban; }

cout << "Nam xuat ban trung binh cua cac sach: " << tong / ds_sach.size() << endl; }