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#include <iostream>
#include <string>
#include <vector>
using namespace std;
void List_Restaurants(int &, vector<vector<string>> &, vector<string> &, int [],
                      int); //list the restaurants with delivery fee
void Add_Items_to_Cart(vector<string> &, vector<string> &, int &,
                       int); //input his name and the cuisine number that he wants to add to the cart
void Payment(vector<string> &, int &, int [][10],
             vector<string>dfee); //input his name and show all of the items in his cart
void shopsystem(vector<vector<string>>, vector<string> &, int [], vector<string> &cartlist,
                vector<string> &namelist, int &counter);
void pickup(vector<string> &, vector<string> &, int &);
void List_shops(vector<vector<string>> &shop, int shopgood[], vector<string> &shoplist);
int main() {
    string Do;
    int shopgood[10];
    shopgood[1] = 2;
    shopgood[2] = 2;
    shopgood[3] = 3;
    string do_what;
    vector<string> cartlist(100);
    int counter = 0;
    vector<string>shoplist(10);
    vector<vector<string>> restaurant(10, vector<string>(20));
    int shops = 3;

    shoplist[1] = "*** Walmart ***";
    shoplist[2] = "*** Target ***";
    shoplist[3] = "*** Costco ***";



    vector<string>namelist(100);
    vector<string> shopname(10);
    int good[10];//goods amount in each shop
    vector<string>dfee(100);
    vector<vector<string>> shop(10, vector<string>(20));
    dfee[1] = "Delivery Fee                       NTD   29";
    dfee[11] = "Delivery Fee                       NTD   49";
    dfee[2] = "Delivery Fee                       NTD   49";
    dfee[12] = "Delivery Fee                       NTD   39";
    dfee[3] = "Delivery Fee                       NTD   39";
    dfee[13] = "Delivery Fee                       NTD   29";

    shop[1][0] = "1   Walmart                            NTD   49";
    shop[1][1] = "1-1 Tissue                             NTD  124";
    shop[1][2] = "1-2 Light Bulbs                        NTD   99";
    shop[2][0] = "2   Target                             NTD   39";
    shop[2][1] = "2-1 Shampoo                            NTD  239";
    shop[2][2] = "2-2 Toothpaste                         NTD  129";
    shop[3][0] = "3   Costco                             NTD   29";
    shop[3][1] = "3-1 Milk                               NTD  259";
    shop[3][2] = "3-2 Doritos                            NTD  165";
    shop[3][3] = "3-3 Croissant                          NTD  199";

    good[1] = 2;
    good[2] = 3;
    good[3] = 3;

    int goodvalue[10][10];
    goodvalue[1][0] = 29;
    goodvalue[2][0] = 49;
    goodvalue[3][0] = 39; //delivery fee

    goodvalue[1][1] = 75;
    goodvalue[1][2] = 85;                 //good value
    goodvalue[2][1] = 71;
    goodvalue[2][2] = 78;
    goodvalue[2][3] = 52; //good value
    goodvalue[3][1] = 140;
    goodvalue[3][2] = 130;
    goodvalue[3][3] = 50; //good value


    shopname[1] = "*** Wang shih jhen sin tang ***";
    shopname[2] = "*** Taiwan di er jia yan su ji ***";
    shopname[3] = "*** Fang kong nai ba ***";

    restaurant[1][0] = "1   Wang shih jhen sin tang            NTD   29";
    restaurant[1][10] = "1   Wang shih jhen sin tang            NTD    0";
    restaurant[2][0] = "2   Taiwan di er jia yan su ji         NTD   49";
    restaurant[2][10] = "2   Taiwan di er jia yan su ji         NTD    0";
    restaurant[3][0] = "3   Fang kong nai ba                   NTD   39";
    restaurant[3][10] = "3   Fang kong nai ba                   NTD    0";
    restaurant[1][1] = "1-1 Bubble Tea                         NTD   75";
    restaurant[1][2] = "1-2 Cheese-Topped Black Tea            NTD   85";
    restaurant[2][1] = "2-1 Boneless Salted Crispy Chicken     NTD   71";
    restaurant[2][2] = "2-2 Egg Tofu                           NTD   78";
    restaurant[2][3] = "2-3 Green Beans                        NTD   52";
    restaurant[3][1] = "3-1 Sakura Shrimp Fried Rice           NTD  140";
    restaurant[3][2] = "3-2 Squid Fried Noodles                NTD  130";
    restaurant[3][3] = "3-3 Grilled King Oyster Mushrooms      NTD   50";

    do {
        cout << "**********************************\n***   Food Delivery Homepage   ***\n**********************************"
             << endl;
        cout << "Enter 1 to Food Delivery System" << endl;
        cout << "Enter 2 to Shops System" << endl;
        cout << "Enter 3 to Pick-Up System" << endl;
        cout << "Enter 4 to Payment" << endl;
        cout << "Enter exit() to quit\n>>>" ;
        getline(cin, Do);

        if (Do == "exit()") { //old
            return 0;
        }

        if (Do == "1" || Do == "2" || Do == "3" || Do == "4" || Do == "exit()") { //good input
            cout << endl;
        } else {
            cout << "Unknown command\n" << endl;
            continue;
        }

        if (Do == "1") {
            do {
                cout << "**********************************" << endl;
                cout << "***    Food Delivery System    ***\n**********************************" << endl;
                cout << "Enter 1 to List Restaurants" << endl;
                cout << "Enter 2 to Add Items to Cart" << endl;
                cout << "Enter back to the Homepage\n>>>" ;


                getline(cin, do_what);

                if (do_what == "back") {
                    cout << endl;
                    break;
                }

                if (do_what == "1" || do_what == "2") { //good input
                    cout << endl;
                } else {
                    cout << "Unknown command\n" << endl;
                    continue;
                }

                if (do_what == "1") {
                    List_Restaurants(shops, restaurant, shopname, good, 0);
                } else if (do_what == "2") {

                    Add_Items_to_Cart(cartlist, namelist, counter, 0);
                }

            } while (do_what != "back");

        } else if (Do == "2") {
            shopsystem(shop, shoplist, shopgood, cartlist, namelist, counter);

        } else if (Do == "3") {

            do {
                cout << "**********************************" << endl;
                cout << "***       Pick-Up System       ***\n**********************************" << endl;
                cout << "Enter 1 to List Restaurants" << endl;
                cout << "Enter 2 to Add Items to Cart" << endl;
                cout << "Enter back to the Homepage\n>>>";
                getline(cin, do_what);

                if (do_what == "back") {
                    cout << endl;
                    break;
                }

                if (do_what == "1" || do_what == "2") { //good input
                    cout << endl;
                } else {
                    cout << "Unknown command\n" << endl;
                    continue;
                }

                if (do_what == "1") {
                    List_Restaurants(shops, restaurant, shopname, good, 2);
                } else if (do_what == "2") {

                    Add_Items_to_Cart(cartlist, namelist, counter, 2);
                }
            } while (true);



        }

        else if (Do == "4") {
            Payment(cartlist, counter, goodvalue, dfee);
        }


    } while (Do != "exit()");
}
void List_shops(vector<vector<string>> &shop, int shopgood[], vector<string> &shoplist) {
    string listoption;

    do {
        cout << "*** List Shops ***" << endl;
        cout << "No. Shop                               Delivery Fee" << endl;

        for (int i = 1; i <= 3; i++) {
            cout << shop[i][0] << endl;
        }

        cout << "Enter number to the shop or enter back to the Shops System" << endl;
        cout << ">>>";
        getline(cin, listoption);

        if (listoption == "back") {
            cout << endl;
            break;
        }

        if (listoption == "1" || listoption == "2" || listoption == "3") {
            cout << endl;
            cout << shoplist[stoi(listoption)] << endl;
            cout << "No. Groceries                          Price" << endl;

            for (int i = 1; i <= shopgood[stoi(listoption)]; i++) {
                cout << shop[stoi(listoption)][i] << endl;
            }

            cout << endl;
        } else {
            cout << "Unknown command\n" << endl;
            continue;
        }
    } while (listoption != "back");
}


void List_Restaurants(int &shops, vector<vector<string>> &restaurant, vector<string> &shopname, int  good[],
                      int control) { //control=0 deliver control=2 pick up

    string option;

    do {
        cout << "*** List Restaurants ***" << endl;
        cout << "No. Restaurant                         Delivery Fee" << endl;

        if (control == 0) {
            for (int i = 1; i <= 3; i++) {
                cout << restaurant[i][0] << endl;
            }
        }

        if (control == 2) {
            for (int i = 1; i <= 3; i++) {
                cout << restaurant[i][10] << endl;
            }
        }

        if (control == 0) {
            cout << "Enter number to the restaurant or enter back to the Food Delivery System\n>>>";
        } else if (control == 2) {
            cout << "Enter number to the restaurant or enter back to the Pick-Up System\n>>>";
        }

        getline(cin, option);

        if ((option[0] - '0' <= shops || option == "back") && option[0] - '0' > 0 && (option.length() == 4 ||
                option.length() == 1)) { //good input
            cout << endl;
        } else {
            cout << "Unknown command\n" << endl ;
            continue;
        }

        if (option == "back") {
            return;
        } else { //stoi(option) is the place of store
            cout << shopname[stoi(option)] << endl ;
            cout << "No. Cuisine                            Price" << endl ;

            for (int i = 1; i <= good[stoi(option)]; i++) {
                cout << restaurant[stoi(option)][i] << endl;
            }

            cout << endl;
            continue;

        }
    } while (true);

}

void Add_Items_to_Cart(vector<string> &cartlist, vector<string> &namelist, int &counter,
                       int control) { //control=0 delivery  ,control=1 shop control=2 pick up

    string name;
    string add_cart;
    int same = 0;
    int first = 0;
    cout << "*** Add Items to Cart ***" << endl;
    cout << "Enter your name: ";
    getline(cin, name);

    if (control == 0) { //delivery
        if (counter == 0) { // first name

            namelist[counter] = name;
            cartlist[counter] = name;
            cartlist[counter] += ",";
            first = 1;

            do {
                cout << "Enter item number to add it to cart: " ;
                getline(cin, add_cart);

                if (add_cart == "1-1" || add_cart == "1-2" || add_cart == "2-1" || add_cart == "2-2" || add_cart == "2-3" ||
                        add_cart == "3-1" || add_cart == "3-2" || add_cart == "3-3") { //right

                    cartlist[counter] += "0";
                    cartlist[counter] += add_cart;
                    cartlist[counter] += ",";
                    cout << "Added successfully!\n" << endl;

                    break;
                } else {
                    cout << "Wrong number, please enter again!" << endl;
                    continue;
                }
            } while (true);

            counter++;
        }

        for (int i = 0; i < counter; i++) { //name used?
            if (namelist[i] == name && first == 0) { //name same
                same = 1;

            }

            if (same == 1) { //name same
                do {
                    cout << "Enter item number to add it to cart: " ;//cuisine
                    getline(cin, add_cart);

                    if (add_cart == "1-1" || add_cart == "1-2" || add_cart == "2-1" || add_cart == "2-2" || add_cart == "2-3" ||
                            add_cart == "3-1" || add_cart == "3-2" || add_cart == "3-3") { //right

                        cartlist[i] += "0";
                        cartlist[i] += add_cart;
                        cartlist[i] += ",";
                        cout << "Added successfully!\n" << endl;

                        return;
                    } else {
                        cout << "Wrong number, please enter again!" << endl;
                        continue;
                    }
                } while (true);


            }
        }

        if (same == 0 && first == 0) { //new name not first
            namelist[counter] = name;
            cartlist[counter] = name;
            cartlist[counter] += ",";
            counter++;

            do {
                cout << "Enter item number to add it to cart: " ;//cuisine
                getline(cin, add_cart);

                if (add_cart == "1-1" || add_cart == "1-2" || add_cart == "2-1" || add_cart == "2-2" || add_cart == "2-3" ||
                        add_cart == "3-1" || add_cart == "3-2" || add_cart == "3-3") { //name,01-1...

                    cartlist[counter - 1] += "0";
                    cartlist[counter - 1] += add_cart;
                    cartlist[counter - 1] += ",";
                    cout << "Added successfully!\n" << endl;
                    break;
                } else {
                    cout << "Wrong number, please enter again!" << endl;
                    continue;
                }
            } while (true);
        }
    } else if (control == 1) { //shop
        if (counter == 0) { // first name

            namelist[counter] = name;
            cartlist[counter] = name;
            cartlist[counter] += ",";
            first = 1;

            do {
                cout << "Enter item number to add it to cart: " ;
                getline(cin, add_cart);

                if (add_cart == "1-1" || add_cart == "1-2" || add_cart == "2-1" || add_cart == "2-2" || add_cart == "3-1" ||
                        add_cart == "3-2" || add_cart == "3-3") { //name,11-1,13-3...

                    cartlist[counter] += "1";
                    cartlist[counter] += add_cart;
                    cartlist[counter] += ",";
                    cout << "Added successfully!\n" << endl;

                    break;
                } else {
                    cout << "Wrong number, please enter again!" << endl;
                    continue;
                }
            } while (true);

            counter++;
        }

        for (int i = 0; i < counter; i++) { //name used?
            if (namelist[i] == name && first == 0) { //name same
                same = 1;

            }

            if (same == 1) { //name same
                do {
                    cout << "Enter item number to add it to cart: " ;
                    getline(cin, add_cart);

                    if (add_cart == "1-1" || add_cart == "1-2" || add_cart == "2-1" || add_cart == "2-2" || add_cart == "3-1" ||
                            add_cart == "3-2" || add_cart == "3-3") { //right

                        cartlist[i] += "1";
                        cartlist[i] += add_cart;
                        cartlist[i] += ",";
                        cout << "Added successfully!\n" << endl;

                        return;
                    } else {
                        cout << "Wrong number, please enter again!" << endl;
                        continue;
                    }
                } while (true);
            }
        }

        if (same == 0 && first == 0) { //new name not first
            namelist[counter] = name;
            cartlist[counter] = name;
            cartlist[counter] += ",";
            counter++;

            do {
                cout << "Enter item number to add it to cart: " ;
                getline(cin, add_cart);

                if (add_cart == "1-1" || add_cart == "1-2" || add_cart == "2-1" || add_cart == "2-2" || add_cart == "3-1" ||
                        add_cart == "3-2" || add_cart == "3-3") { //right

                    cartlist[counter - 1] += "1";
                    cartlist[counter - 1] += add_cart;
                    cartlist[counter - 1] += ",";
                    cout << "Added successfully!\n" << endl;
                    break;
                } else {
                    cout << "Wrong number, please enter again!" << endl;
                    continue;
                }
            } while (true);
        }
    }//end of shop

    if (control == 2) { //pick up
        if (counter == 0) { // first name

            namelist[counter] = name;
            cartlist[counter] = name;
            cartlist[counter] += ",";
            first = 1;

            do {
                cout << "Enter item number to add it to cart: " ;
                getline(cin, add_cart);

                if (add_cart == "1-1" || add_cart == "1-2" || add_cart == "2-1" || add_cart == "2-2" || add_cart == "2-3" ||
                        add_cart == "3-1" || add_cart == "3-2" || add_cart == "3-3") { ////name,21-1...

                    cartlist[counter] += "2";
                    cartlist[counter] += add_cart;
                    cartlist[counter] += ",";
                    cout << "Added successfully!\n" << endl;

                    break;
                } else {
                    cout << "Wrong number, please enter again!" << endl;
                    continue;
                }
            } while (true);

            counter++;
        }

        for (int i = 0; i < counter; i++) { //name used?
            if (namelist[i] == name && first == 0) { //name same
                same = 1;

            }

            if (same == 1) { //name same
                do {
                    cout << "Enter item number to add it to cart: " ;
                    getline(cin, add_cart);

                    if (add_cart == "1-1" || add_cart == "1-2" || add_cart == "2-1" || add_cart == "2-2" || add_cart == "2-3" ||
                            add_cart == "3-1" || add_cart == "3-2" || add_cart == "3-3") { //right

                        cartlist[i] += "2";
                        cartlist[i] += add_cart;
                        cartlist[i] += ",";
                        cout << "Added successfully!\n" << endl;
                        return;
                    } else {
                        cout << "Wrong number, please enter again!" << endl;
                        continue;
                    }
                } while (true);
            }
        }

        if (same == 0 && first == 0) { //new name not first
            namelist[counter] = name;
            cartlist[counter] = name;
            cartlist[counter] += ",";
            counter++;

            do {
                cout << "Enter item number to add it to cart: " ;
                getline(cin, add_cart);

                if (add_cart == "1-1" || add_cart == "1-2" || add_cart == "2-1" || add_cart == "2-2" || add_cart == "2-3" ||
                        add_cart == "3-1" || add_cart == "3-2" || add_cart == "3-3") { //name,1-1...

                    cartlist[counter - 1] += "2";
                    cartlist[counter - 1] += add_cart;
                    cartlist[counter - 1] += ",";
                    cout << "Added successfully!\n" << endl;
                    break;
                } else {
                    cout << "Wrong number, please enter again!" << endl;
                    continue;
                }
            } while (true);
        }
    }

}


void Payment(vector<string> &cartlist, int &counter, int goodvalue[][10],
             vector<string>dfee) { //control=0 delivery  ,control=1 shop control=2 pick up
    string name;
    int same = 0;
    int deliveramount = 0;
    vector<string> shopfee(10);
    int deliverplace[100] = {0};
    int shopplace[100] = {0};
    shopfee[1] = "Delivery Fee                       NTD   49";
    shopfee[2] = "Delivery Fee                       NTD   39";
    shopfee[3] = "Delivery Fee                       NTD   29";

    int shopvalue[10][10];
    shopvalue[1][0] = 49;
    shopvalue[2][0] = 39;
    shopvalue[3][0] = 29;

    shopvalue[1][1] = 124;
    shopvalue[1][2] = 99;
    shopvalue[2][1] = 239;
    shopvalue[2][2] = 129;
    shopvalue[3][1] = 259;
    shopvalue[3][2] = 165;
    shopvalue[3][3] = 199;

    vector <vector<string>> item(10, vector<string>(10));
    vector <vector<string>> shopitem(10, vector<string>(10));
    item[1][1] = "Bubble Tea                         NTD   75";
    shopitem[1][1] = "Tissue                             NTD  124";
    item[1][2] = "Cheese-Topped Black Tea            NTD   85";
    shopitem[1][2] = "Light Bulbs                        NTD   99";
    item[2][1] = "Boneless Salted Crispy Chicken     NTD   71";
    shopitem[2][1] = "Shampoo                            NTD  239";
    item[2][2] = "Egg Tofu                           NTD   78";
    shopitem[2][2] = "Toothpaste                         NTD  129";
    item[2][3] = "Green Beans                        NTD   52";
    shopitem[3][1] = "Milk                               NTD  259";
    item[3][1] = "Sakura Shrimp Fried Rice           NTD  140";
    shopitem[3][2] = "Doritos                            NTD  165";
    item[3][2] = "Squid Fried Noodles                NTD  130";
    shopitem[3][3] = "Croissant                          NTD  199";
    item[3][3] = "Grilled King Oyster Mushrooms      NTD   50";

    cout << "*** Payment ***" << endl;
    cout << "Enter your name: " ;
    getline(cin, name);

    for (int i = 0; i < counter; i++) { //which cartlist

        if (cartlist[i].substr(0, name.length()) == name && cartlist[i].substr(name.length(), 1) == ",") { //consumer
            same = 1;
            int total = 0;
            bool deliverusage[10] = {0};
            bool shopusage[10] = {0};

            cout << endl;
            cout << "*** This is " << name << "'s order ***" << endl ;
            cout << "Item                               Price" << endl ;
            cout << "-------------------------------------------" << endl ;
            int y = cartlist[i].length();

            for (int x = (name.length() + 1); x < y; x += 5) { //buy what     cart list= name,01-1,21-2,13-3...
                if (deliverusage[static_cast<int>(cartlist[i][x + 1]) - '0'] == 0 &&
                        static_cast<int>(cartlist[i][x] - '0') == 0) { //deliver fee
                    deliverusage[static_cast<int>(cartlist[i][x + 1]) - '0'] = 1;
                    total += goodvalue[static_cast<int>(cartlist[i][x + 1]) - '0'][0];
                    deliverplace[deliveramount] = static_cast<int>(cartlist[i][x + 1]) - '0'; //
                    deliveramount++;
                }

                if (cartlist[i][x] == '0') { //pick up and deliver
                    cout << item[static_cast<int>(cartlist[i][x + 1]) - '0'][static_cast<int>(cartlist[i][x + 3]) - '0'] << endl;
                    total += goodvalue[static_cast<int>(cartlist[i][x + 1]) - '0'][static_cast<int>(cartlist[i][x + 3]) - '0'];
                }

                if (cartlist[i][x] == '1') { //shop
                    if (shopusage[static_cast<int>(cartlist[i][x + 1]) - '0'] == 0) { //deliver fee shop version
                        shopusage[static_cast<int>(cartlist[i][x + 1]) - '0'] = 1;
                        total += shopvalue[static_cast<int>(cartlist[i][x + 1]) - '0'][0];
                        deliverplace[deliveramount] = static_cast<int>(cartlist[i][x + 1]) - '0' + 10; // 11,12,13
                        deliveramount++;
                    }

                    cout << shopitem[static_cast<int>(cartlist[i][x + 1]) - '0'][static_cast<int>
                            (cartlist[i][x + 3]) - '0'] << endl;
                    total += shopvalue[static_cast<int>(cartlist[i][x + 1]) - '0'][static_cast<int>(cartlist[i][x + 3]) - '0'];
                }

                if (cartlist[i][x] == '2') { //pick up and deliver
                    cout << item[static_cast<int>(cartlist[i][x + 1]) - '0'][static_cast<int>(cartlist[i][x + 3]) - '0'] << endl;
                    total += goodvalue[static_cast<int>(cartlist[i][x + 1]) - '0'][static_cast<int>(cartlist[i][x + 3]) - '0'];
                }
            }

            for (int i = 0; i < deliveramount; i++) { //output delivery fee for food system and shop
                cout << dfee[deliverplace[i]] << endl;
            }

            cout << "-------------------------------------------" << endl;
            cout << "Total                              NTD  " << total << "\n" << endl;
            break;
        }
    }

    if (same == 0) {
        cout << "You don't have any item in cart!\n" << endl;
    }

}

void shopsystem(vector<vector<string>> shop, vector<string> &shoplist, int shopgood[],
                vector<string> &cartlist, vector<string> &namelist, int &counter) {
    string option;
    string listoption;


    do {
        cout << "**********************************" << endl;
        cout << "***        Shops System        ***" << endl;
        cout << "**********************************" << endl;
        cout << "Enter 1 to List Shops" << endl;
        cout << "Enter 2 to Add Items to Cart" << endl;
        cout << "Enter back to the Homepage\n>>>";
        getline(cin, option);

        if ((option[0] - '0' <= 2 || option == "back") && option[0] - '0' > 0 && (option.length() == 4 ||
                option.length() == 1)) { //good input
            cout << endl;
        } else {
            cout << "Unknown command\n" << endl;
            continue;
        }

        if (option == "back") {
            return;
        } else if (option == "1") {
            List_shops(shop, shopgood, shoplist);
        }//end of else if
        else if (option == "2") {
            Add_Items_to_Cart(cartlist, namelist, counter, 1);
        }
    } while (true);
}

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