Answer to Question #174154 in C++ for Rahul

Question

The postage for ordinary post is Rs. 2.00 for the first 15 grams and Rs. 1.00 for each additional 10 grams. Write a C++ program to calculate the charge of postage for a post weighting N grams. Read the weights of N packets and display the total amount of postage using multiple inheritance.

* Base class-1: Member variables are name, source and destination.

* Base class-2: Member variables are no. of packets and weight.

* Derived class: Member functions display(), displays the name, source, destination, total weight and total amount.

Answer 1

#include <iostream>
#include <string>
#include <iomanip>
using namespace std;
 
class Decribe
{
public:
	Decribe(string name_, string source_, string destination_);
protected:
	string name;
	string source;
	string destination;
};
 
Decribe::Decribe(string name_, string source_, string destination_) : name(name_), source(source_), destination(destination_)
{}
 
class Value
{
public:
	Value(int number_, int weight_);
protected:
	int number;
	int weight;
};
 
Value::Value(int number_, int weight_) : number(number_), weight(weight_)
{}
 
class Information : public Decribe, public Value
{
public:
	Information(string name_, string source_, string destination_, int number_, int weight_);
	void Display();
private:
	double Amount();
};
 
Information::Information(string name_, string source_, string destination_, int number_, int weight_) : Decribe(name_, source_, destination_), Value(number_, weight_)
{}
 
double Information::Amount()
{
	if (weight <= 15) return 2;
	else
	{
		double tempWeight = weight;
		tempWeight -= 15;
		int additionalValue;
		if ((int)tempWeight / 10 == tempWeight / 10) additionalValue = (tempWeight / 10);
		else additionalValue = (tempWeight / 10 + 1);
		return 2 + additionalValue;
	}
}
 
void Information::Display()
{
	cout << "Name is " << name << endl;
	cout << "Source is " << source << endl;
	cout << "Destination is " << destination << endl;
	cout << "Total weight is " << weight << " grams." << endl;
	cout << fixed << setprecision(2);
	cout << "Amount is Rs." << Amount() << endl;
}
 
int main()
{
	string name, source, destination;
	int weight, number;
	cout << "Enter name(string): ";
	cin >> name;
	cout << "Enter source(string): ";
	cin >> source;
	cout << "Enter destination(string): ";
	cin >> destination;
	cout << "Enter number post(int): ";
	cin >> number;
	cout << "Enter weight(int): ";
	cin >> weight;
	cout << "*************************************************" << endl;
	
	Information Note(name, source, destination, number, weight);
	Note.Display();
	cout << endl;
 
	return 0;
}