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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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Inheritance Introduction in C++ – Solution in Hacker Rank - hackerranksolutions8

 

Problem

One of the important topics of Object Oriented Programming is Inheritance. Inheritance allows us to define a class in terms of another class, which allows us in the reusability of the code.Check out the code below:

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

The class Triangle has a function called triangle(). Now we create a class derived from the base class Triangle called Isosceles.

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

Now we can create a derived class object and use it to access the functions of the base class.

int main(){
    Isosceles isc;
    isc.isosceles();
    isc.triangle();
    return 0;
}

This code will print:

I am an isosceles triangle
I am a triangle

Now write a function in Isosceles class such that the output is as given below.

Sample Output :

I am an isosceles triangle
In an isosceles triangle two sides are equal
I am a triangle

Solution :

//Inheritance Introduction 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.
  	/* Inheritance Introduction in C++ - Hacker Rank Solution START */
        void description()
        {
            cout << "In an isosceles triangle two sides are equal" << endl;
        }
        /* Inheritance Introduction in C++ - Hacker Rank Solution END */
};

int main()
{
    Isosceles isc;
    isc.isosceles();
  	isc.description();
    isc.triangle();
    return 0;
}
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