Hacker Rank solution for Multi Level Inheritance In C++

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Explanation:- 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.)

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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";
}
};

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

int main()
{

Equilateral eqr;

eqr.equilateral();

eqr.isosceles();

eqr.triangle();

return 0;

}

Output:-

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