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say hello world with C++ - Solution in Hacker Rank - hackerranksolutions8

  Objective This is a simple challenge to help you practice printing to  stdout . You may also want to complete  Solve Me First  in C++ before attempting this challenge. We’re starting out by printing the most famous computing phrase of all time! In the editor below, use either  printf  or  cout  to print the string  Hello ,World!  to  stdout . The more popular command form is  cout . It has the following basic form: cout<<value_to_print<<value_to_print; Any number of values can be printed using one command as shown. The  printf  command comes from C language. It accepts an optional format specification and a list of variables. Two examples for printing a string are: printf("%s", string);   printf(string); Note that neither method adds a newline. It only prints what you tell it to. Output Format Print   Hello ,World!   to stdout. Sample Output Hello, World! Solution:- //Say Hello, ...
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Multi Level Inheritance in C++ – Solution in Hacker Rank - hackerranksolutions8

 

Problem

Solve the problem Inheritance-Introduction before solving this problem.

In the previous problem we learned about Inheritance and how can a derived class object use the member functions of the base class.

In this we will see what multi-level inheritance is. Suppose we have a class A which is the base class and we have a class B which is derived from class A and we have a class C which is derived from class B, we can access the functions of both class A and class B by creating an object for class C. This is called Multi-Level inheritance. (B inherits A and C inherits B.)

Now create a class called Equilateral which inherits from Isosceles and should have a function such that the output is as given below.

Input Output :

I am an equilateral triangle
I am an isosceles triangle
I am a triangle

Solution :

//Multi Level Inheritance in C++ - Hacker Rank Solution
#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

class Triangle
{
	public:
		void triangle()
		{
			cout<<"I am a triangle\n";
		}
};

class Isosceles : public Triangle
{
  	public:
  		void isosceles()
  		{
    		cout<<"I am an isosceles triangle\n";
  		}
};
//Write your code here.
/* Multi Level Inheritance in C++ - Hacker Rank Solution START */
class Equilateral : public Isosceles
{
    public:
        void equilateral()
        {
            cout<<"I am an equilateral triangle\n";
        }
};

/* Multi Level Inheritance in C++ - Hacker Rank Solution END */

int main()
{
  
    Equilateral eqr;
    eqr.equilateral();
    eqr.isosceles();
    eqr.triangle();
    return 0;
}
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