CS 304 Assignment no 2 Fall 2022 Solution .

https://drive.google.com/file/d/1KXvtanOHl_DWYq9SmTmvduUYuAs3Qnub/view?usp=drivesdk

# <iostream>

#include <vector>

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#include<studio.h>

#include<conio.h>

using namespace std;

//  of item

class Item

{

// variables

private:

int itemNumber;

string itemName;

double itemPrice;

// functions

public:

// default constructor

Item();

// parametrize constructor

Item(int number, string name, double price)

{

itemNumber = number;

itemName = name;

itemPrice = price;

}

// setter

void setItemNumber(int number) { itemNumber = number; }

void setItemName(string name) { itemName = name; }

void setItemPrice(double price) { itemPrice = price; }

// getter

int getItemNumber() { return itemNumber; }

string getItemName() { return itemName; }

double getItemPrice() { return itemPrice; }

// display

void displayDetails()

{

cout << "Item Number: " << itemNumber << endl;

cout << "Item Name: " << itemName << endl;

cout << "Item Price: " << itemPrice << endl;

}

};

class DiscountedItem : public Item

{

private:

double discountPercentage;

double discountedPrice;

public:

// default constructor

DiscountedItem();

// parametrize constructor

DiscountedItem(int number, string name, double price, double discount) : Item(number, name, price)

{

discountPercentage = discount;

discountedPrice = price - (price * discount / 100);

void setDiscountPercentage(double discount)

{

discountPercentage = discount;

discountedPrice = getItemPrice() - (getItemPrice() * discount / 100);

}

double getDiscountPercentage() { return discountPercentage; }

double getDiscountedPrice() { return discountedPrice; }

// function overriding

void displayDetails()

{

Itemt << "Discount Percentage: " << discountPercentage << endl;

cout << "Discounted Price: " << discountedPrice << endl;

}

};

int main()

{

int numItems;

double totalPrice = 0, totalDiscount = 0;

cout << "How many items you want to enter: ";

cin >> numItems;

// dangling point/ DiscountedItem **items= new DiscountedItem *[numItems]; // dynamic

vector<DiscountedItem *> abc(numItems);

// vector<DiscountedItem *> items(numItems);

for (int i = 0; i < numItems; i++)

{

int itemNumber;

string itemName;

double itemPrice;

double discountPercentage;

cout << "Enter details for item " << i + 1 << ":" << endl;

cout << "Item name: ";

cin >> itemName;

cout << "Item No: ";

cin >> itemNumber;

cout << "Item price: ";

cin >> itemPrice;

cout << "Discount percentage (Enter 0 if item is not discounted): ";

cin >> discountPercentage;

if (discountPercentage > 0)

{

abc[i] = new DiscountedItem(itemNumber, itemName, itemPrice, discountPercentage);

totalDiscount += (itemPrice * discountPercentage / 100);

}

totalPrice += abc[i]->getItemPrice();cout<<"-------------------------"<<endl;

}

cout << "Details for all items:" << endl;

for (int i = 0; i < numItems; i++)

{

abc[i]->displayDetails();

cout<<"-------------------------"<<endl;

}

cout<<"-------------------------"<<endl;

cout<<"Total Price" <<totalPrice<<endl;

cout<<"Total Discount" <<(totalDiscount);

cout<<"-------------------------"<<endl;

return 0;

}

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