Week 6 : Programming Assignment 1

Due on 2022-03-17, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

•at LINE-1 with appropriate function declaration for Area function

•at LINE-2 with appropriate function declaration for Print function

such that it will satisfy the given test cases

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Your last recorded submission was on 2022-03-06, 09:21 IST

Select the Language for this assignment.

#include <iostream>
#define PI 3.14
using namespace std;
​
class Circle{
    protected:
        double radius;
    public:
        Circle(double r) : radius(r) {}
        virtual double Area();    //LINE-1
        virtual void Print();     //LINE-2
};

double Circle::Area() { return PI*radius*radius; }
void Circle::Print() { cout << Area() << " "; }
​
class Cylinder : public Circle{
    double height;
    public:
        Cylinder(double r, double h) : Circle(r), height(h) {}
        double Area() { return 2*PI*radius*height; }
};
​
int main(){
    double r, h;
    cin >> r >> h;
    Circle c1(r);
    Cylinder c2(r,h);
    Circle *c[2] = {&c1, &c2};
    for(int i=0;i<2;i++)
        c[i]->Print();
        
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

This assignment has Public Test cases. Please click on "Compile & Run" button to see the status of Public test cases. Assignment will be evaluated only after submitting using Submit button below. If you only save as or compile and run the Program , your assignment will not be graded and you will not see your score after the deadline.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	2 4	12.56 50.24	12.56 50.24	Passed
Test Case 2	5 1	78.5 31.4	78.5 31.4	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

Week 6 : Programming Assignment 2

Due on 2022-03-17, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

•at LINE-1 with appropriate keyword,

•at LINE-2 with appropriate statement so that Mul() can access private members of the class,

•at LINE-3 with appropriate statemen

Your last recorded submission was on 2022-03-06, 09:23 IST

Select the Language for this assignment.

#include <iostream>
using namespace std;
​
class myClass1{
    int data1;
    public:
        myClass1(int d) : data1(d) {}
​
        virtual void print();                     //LINE-1
​
        friend void Mul(myClass1 &m1, myClass1 &m2);    //LINE-2
};
​
class myClass2 : public myClass1{
    int data2;
    public:
        myClass2(int d1, int d2) : myClass1(d1), data2(d2) {}
        void print(){
            myClass1::print();                    //LINE-3
            cout << data2 << " ";
        }
};

​
void myClass1::print(){ cout << data1 << " "; }
​
void Mul(myClass1 &m1, myClass1 &m2){
    m1.data1 = m1.data1 * m2.data1;
}
​
int main(){
    int m, n;
    cin >> m >> n;
    myClass1 *t1 = new myClass2(m,n);
    myClass1 *t2 = new myClass1(m);
    Mul(*t1, *t2);
    t1->print();
    return 0;
}

You may submit any number of times before the due date. The final submission will be considered for grading.

Compilation : Passed
Public Test Cases: 2 / 2 Passed

Note: These tests may not be considered while scoring. Know more.

Public Test Cases	Input	Expected Output	Actual Output	Status
Test Case 1	2 4	4 4	4 4	Passed
Test Case 2	3 5	9 5	9 5	Passed

Private Test cases used for Evaluation	Status
Test Case 1	Passed

Week 6 : Programming Assignment 3

Due on 2022-03-17, 23:59 IST

Consider the following program. Fill in the blanks as per the instructions given below:

•at LINE-1 with appropriate statement to complete the Base class destructor declaration,

•at LINE-2 with appropriate statement to complete the Derived class destructor declaration

such that it will satisfy the given test cases.

Your last recorded submission was on 2022-03-06, 09:25 IST

Select the Language for this assignment.

#include <iostream>
using namespace std;
​
class Base{
    int d;
    public:
        Base(int _d);
        virtual ~Base();        //LINE-1
        int get() { return d; }
};
​
class Derived : public Base{
    public:
        Derived(int _d);
        ~Derived();              //LINE-2
};

Base::Base(int _d) : d(_d) { cout << d << " "; }
Base::~Base(){ cout << 2*d << " "; }
Derived::Derived(int _d) : Base(_d) { cout << 3*_d << " "; }
Derived::~Derived() { cout << Base::get() << " "; }
​
int main(){
    int m;
    cin >> m;
    Derived *t = new Derived(m);
    Base *t1 = t;
    delete t1;
    return 0;
}